List of CAS numbers by chemical compound

This is a list of CAS numbers by chemical formula

Chemical formula

A chemical formula or molecular formula is a way of expressing information about the atoms that constitute a particular chemical compound....

s and chemical compound

Chemical compound

A chemical compound is a pure chemical substance consisting of two or more different chemical elements that can be separated into simpler substances by chemical reactions. Chemical compounds have a unique and defined chemical structure; they consist of a fixed ratio of atoms that are held together...

s, indexed by formula. This complements alternative listings to be found at list of inorganic compounds, list of organic compounds and inorganic compounds by element

Inorganic compounds by element

This is a list of common inorganic and organometallic compounds of each element. Compounds are listed alphabetically by their chemical element name rather than by symbol, as in list of inorganic compounds.- Actinium :AcCl3,AcF3,Ac2O3...

A

Chemical formula	Synonyms	CAS number
AgAlCl₄	silver tetrachloroaluminate	27039-77-6
AgBr	silver bromide Silver bromide Silver bromide , a soft, pale-yellow, water insoluble salt well known for its unusual sensitivity to light. This property has allowed silver halides to become the basis of modern photographic materials. AgBr is widely used in photographic films and is believed by some to have been used for making...	7785-23-1
AgBrO₃	silver bromate Silver bromate Silver bromate , is a poisonous, light and heat-sensitive, white powder.-Uses:* Used as an oxidant for the transformation of tetrahydropyranyl ethers to carbonyl compounds.-External links:* *...	7783-89-3
AgCN	silver cyanide Silver cyanide Silver cyanide is the chemical compound with the formula AgCN. This white solid forms upon treatment of solutions containing Ag+ with cyanide. This precipitation step is used in some schemes to recover silver from solution...	506-64-9
AgC₂H₃O₂	silver acetate Silver acetate Silver acetate is a photosensitive, white crystalline substance commonly used as a pesticide. It also produces a repulsive taste when combined with cigarette smoke, so it is used in chewing gum and lozenges to aid the cessation of smoking.-Isolation:Silver acetate, the silver salt form of acetic...	563-63-3
AgCl	silver chloride Silver chloride Silver chloride is a chemical compound with the chemical formula AgCl. This white crystalline solid is well known for its low solubility in water . Upon illumination or heating, silver chloride converts to silver , which is signalled by greyish or purplish coloration to some samples...	7783-90-6
AgClO₃	silver chlorate	7783-92-8
AgClO₄	silver perchlorate Silver perchlorate Silver perchlorate is the chemical compound with the formula AgClO4. This white solid forms a monohydrate and is mildly deliquescent. It is a useful source of the Ag+ ion, although the presence of perchlorate presents risks.-Solubility:...	7783-93-9
AgF	silver fluoride Silver(I) fluoride Silver fluoride , also known as argentous fluoride and silver monofluoride, is a compound of silver and fluorine. It is a ginger-coloured solid, melting point 435 °C, which blackens on exposure to moist air. Unlike other silver halides such as silver chloride it is soluble in water to the extent...	7775-41-9
AgF₂	silver difluoride	7783-95-1
AgI	silver iodide Silver iodide Silver iodide is a yellow, inorganic, photosensitive iodide of silver used in photography, in medicine as an antiseptic, and in rainmaking for cloud seeding.-Crystal structure:...	7783-96-2
AgIO₃	silver iodate Silver iodate Silver iodate is a white crystal composed of silver, iodine and oxygen. Unlike most metal iodates, it is insoluble in water.Silver iodate can be obtained by reacting silver nitrate with sodium iodate. The by-product of the reaction is sodium nitrate....	7783-97-3
AgMnO₄	silver permanganate	7783-98-4
AgN₃	silver azide Silver azide Silver azide is the chemical compound with the formula AgN3. This colorless solid is a well-known explosive.-Structure and chemistry:Silver azide can be prepared by treating an aqueous solution of silver nitrate with sodium azide...	13863-88-2
AgNO₃	silver nitrate Silver nitrate Silver nitrate is an inorganic compound with chemical formula . This compound is a versatile precursor to many other silver compounds, such as those used in photography. It is far less sensitive to light than the halides...	7761-88-8
AgO	silver(I,III) oxide	1301-96-8
AgONC	silver fulminate Silver fulminate Silver fulminate is an explosive, ionic, fulminic acid salt of silver.Silver fulminate is a primary explosive that has very little practical value due to its extreme sensitivity to impact, heat, pressure and electricity...	5610-59-3
AgReO₄	silver perrhenate	7784-00-1
AgSNC	silver thiocyanate	1701-93-5
Ag₂C₂	silver acetylide Silver acetylide Silver acetylide is an inorganic chemical compound with the formula Ag2C2, a metal acetylide. The name is derived from the way it is synthesized, and emphasizes that the compound can be regarded as a salt of the weak acid, acetylene. Since acetylene is called "ethyne" in the modern IUPAC...	7659-31-6
Ag₂CO₃	silver carbonate Silver carbonate Silver carbonate is the chemical compound with the formula Ag2CO3. Silver carbonate is yellow but typical samples are grayish due to the presence of elemental silver. It is poorly soluble in water, like most transition metal carbonates. Silver carbonate is used as a reagent in organic synthesis...	534-16-7
Ag₂C₂O₄	silver oxalate Silver oxalate Silver oxalate is commonly employed in experimental petrology to add carbon dioxide to experiments as it will break down to silver and the carbon dioxide under geologic conditions.It is explosive upon heating, shock or friction.-External links:* *...	533-51-7
Ag₂Cl₂	silver(II) dichloride	75763-82-5
Ag₂CrO₄	silver chromate Silver chromate Silver chromate is a brown-red monoclinic crystal and is a chemical precursor to modern photography. It can be formed by combining silver nitrate and potassium chromate...	7784-01-2
Ag₂Cr₂O₇	silver dichromate	7784-02-3
Ag₂F	silver subfluoride Silver subfluoride Silver subfluoride is the inorganic compound with the formula Ag2F. This is an unusual example of a compound where the oxidation state of silver is fractional. The is prepared by the reaction of silver and silver fluoride:...	1302-01-8
Ag₂MoO₄	silver molybdate Silver molybdate Silver molybdate is a yellow, cubic crystalline substance often used in glass....	13765-74-7
Ag₂O	silver oxide	20667-12-3
Ag₂S	silver sulfide Silver sulfide Silver sulfide, Ag2S, is the sulfide of silver. This dense black solid constitutes the tarnish that forms over time on silverware and other silver objects. Silver sulfide is insoluble in all solvents, but is degraded by strong acids. Silver sulfide features a covalent bond, as it is made up of...	21548-73-2
Ag₂SO₄	silver sulfate Silver sulfate Silver sulfate is an ionic compound of silver used in silver plating and as a non-staining substitute to silver nitrate. This sulfate is stable under ordinary conditions of use and storage, though it darkens upon exposure to air or light...	10294-26-5
Ag₂Se	silver selenide	1302-09-6
Ag₂SeO₃	silver selenite Silver selenite Silver selenite is an inorganic compound of formula Ag2SeO3.-Production:It is formed during recovery from copper anode slimes when they are subjected to oxidative roasting where a part of silver selenide is converted to the selenite.-External links:*...	7784-05-6
Ag₂SeO₄	silver selenate	7784-07-8
Ag₂Te	silver telluride Silver telluride Silver telluride is a chemical compound, a telluride of silver, also known as disilver telluride or silver telluride. It forms a monoclinic crystal...	12002-99-2
Ag₃Br₂	silver dibromide	11078-32-3
Ag₃Br₃	silver tribromide	11078-33-4
Ag₃Cl₃	silver(III) trichloride	12444-96-1
Ag₃I₃	silver(III) triiodide	37375-12-5
Ag₃PO₄	silver phosphate Silver phosphate Silver phosphate or silver orthophosphate is a light sensitive, yellow, water insoluble chemical compound composed of silver and phosphate ions of formula Ag3PO4.- Synthesis, reactions and properties :...	7784-09-0
Ag₃SbS₃	silver thioantimonate	15983-65-0
AlAs	aluminium arsenide Aluminium arsenide Aluminium arsenide or aluminum arsenide is a semiconductor material with almost the same lattice constant as gallium arsenide and aluminium gallium arsenide and wider band gap than gallium arsenide.-Properties:...	22831-42-1
AlB₂	aluminium diboride Aluminium diboride Aluminium diboride is a chemical compound made from the metal aluminium and the non-metal boron. It is one of two compounds of aluminium and boron, the other being AlB12 that are both commonly referred to as aluminium boride....	12041-50-8
AlB₁₂	aluminium dodecaboride Aluminium dodecaboride Aluminium dodecaboride is a chemical compound made from the metal aluminium and the non-metal boron. It is one of two chemical compounds that are commonly called aluminium boride, the other is aluminium diboride, AlB2. -Properties:...	12041-54-2
AlBr₃	aluminium bromide Aluminium bromide Aluminium bromide is any chemical compound with the empirical formula AlBrx. The species called "aluminium tribromide," is the most common aluminium bromide. The species aluminium monobromide forms from the reaction of HBr with Al metal at high temperature...	7727-15-3
AlBr₃•6H₂O	aluminium bromide hexahydrate	7784-11-4
Al(CHO₂)₃	aluminium formate	7360-53-4
AlCl₃	aluminium chloride Aluminium chloride Aluminium chloride is the main compound of aluminium and chlorine. It is white, but samples are often contaminated with iron trichloride, giving it a yellow colour. The solid has a low melting and boiling point. It is mainly produced and consumed in the production of aluminium metal, but large...	7446-70-0
AlCl₃•6H₂O	aluminium chloride hexahydrate	7784-13-6
AlF₃	aluminium fluoride Aluminium fluoride Aluminium fluoride is an inorganic compound used primarily in the production of aluminium. This colourless solid can be prepared synthetically but also occurs in nature.-Production and occurrence:...	7784-18-1
AlI₃	aluminium iodide Aluminium iodide Aluminium iodide is any chemical compound containing only aluminium and iodine. Invariably, the name refers to a compound of the composition AlI3, formed by the reaction of aluminium and iodine or the action of HI on Al metal. The hexahydrate is obtained from a reaction between metallic aluminum...	7784-23-8
AlN	aluminium nitride Aluminium nitride Aluminium nitride is a nitride of aluminium. Its wurtzite phase is a wide band gap semiconductor material, giving it potential application for deep ultraviolet optoelectronics.-History:...	24304-00-5
Al(OH)₃	aluminium hydroxide Aluminium hydroxide Aluminium hydroxide, Al3, ATH, sometimes erroneously called Hydrate of alumina, is found in nature as the mineral gibbsite and its three, much more rare forms, polymorphs: bayerite, doyleite and nordstrandite. Closely related are aluminium oxide hydroxide, AlO, and aluminium oxide, Al2O3,...	21645-51-2
AlP	aluminium phosphide Aluminium phosphide Aluminium phosphide is an inorganic compound used as a wide band gap semiconductor and a fumigant. This colourless solid is generally sold as a grey-green-yellow powder due to the presence of impurities arising from hydrolysis and oxidation.-Properties:...	20859-73-8
AlPO₄	aluminium phosphate Aluminium phosphate Aluminium phosphate is a chemical compound. It is used in cake mixes and in some baking powders as a leavening agent to help baked goods rise. Medicinally it is used as adsorbent for toxoid.-Uses:...	7784-30-7
AlSb	aluminium antimonide Aluminium antimonide Aluminium antimonide is a semiconductor of the group III-V family containing aluminium and antimony. The lattice constant is 0.61 nm. The indirect bandgap is approximately 1.6 eV at 300 K, whereas the direct band gap is 2.22 eV....	25152-52-7
Al₂O₃	aluminium oxide Aluminium oxide Aluminium oxide is an amphoteric oxide with the chemical formula 23. It is commonly referred to as alumina, or corundum in its crystalline form, as well as many other names, reflecting its widespread occurrence in nature and industry...	1344-28-1
Al₂(SO₄)₃	aluminium sulfate Aluminium sulfate Aluminium sulfate, alternatively spelt aluminum sulfate, aluminium sulphate, or aluminum sulphate; is a chemical compound with the formula Al23...	10043-01-3
Al₂S₃	aluminium sulfide Aluminium sulfide Aluminium sulfide or aluminium sulphide is a chemical compound with the formula Al2S3. This colorless species has an interesting structural chemistry, existing in several forms. The material is sensitive to moisture, hydrolyzing to hydrated aluminium oxides/hydroxides. This can begin when the...	1302-81-4
Al₂Se₃	aluminium selenide Aluminium selenide Aluminium selenide is the inorganic compound with the formula Al2Se3.It is a solid prepared by igniting a mixture of the elements:The pure compound is white, but typical samples are coloured...	1302-82-5
AsBrO	arsenic oxybromide	82868-10-8
AsBr₃	arsenic tribromide Arsenic tribromide Arsenic tribromide is the chemical compound with the formula AsBr3. This pyramidal molecule is the only known binary arsenic bromide. It is formed by the direct reaction of bromine and arsenic. AsBr3 is noteworthy for its very high refractive index of approximately 2.3...	7784-33-0
AsCl₃	arsenic trichloride Arsenic trichloride Arsenic trichloride is an inorganic compound with the formula AsCl3, also known as arsenous chloride or butter of arsenic. This poisonous oil is colourless, although impure samples may appear yellow. It is an intermediate in the manufacture of organoarsenic compounds.-Structure:AsCl3 is a...	7784-34-1
AsCl₃O	arsenic oxychloride	60646-36-8
AsCl₅	arsenic pentachloride Arsenic pentachloride Arsenic pentachloride is a chemical compound of arsenic and chlorine. This compound was first prepared in 1976 through the UV irradiation of arsenic trichloride, AsCl3, in liquid chlorine at −105°C. AsCl5 decomposes at around −50°C. The structure of the solid was finally determined in 2001...	22441-45-8
AsF₃	arsenic trifluoride Arsenic trifluoride Arsenic trifluoride is a chemical compound of arsenic and fluorine with the formula AsF3. It is a colorless liquid which reacts readily with water.-Preparation and properties:It can be prepared by reacting hydrogen fluoride, HF, with arsenic trioxide:...	7784-35-2
AsF₅	arsenic pentafluoride Arsenic pentafluoride Arsenic pentafluoride is a chemical compound of arsenic and fluorine. The oxidation state of arsenic is +5.-Synthesis:Arsenic pentafluoride can be prepared by direct combination of arsenic and fluorine:...	7784-36-3
AsH₃	arsenic trihydride	7784-42-1
AsI₂	arsenic diiodide	13770-56-4
AsI₃	arsenic triiodide Arsenic triiodide Arsenic triiodide is the inorganic compound with the formula AsI3. It is a dark red solid that readily sublimes. It is a pyramidial molecule that is useful for preparing organoarsenic compounds.-Preparation:...	7784-45-4
AsO	arsenic monoxide	12005-99-1
AsO₂	arsenic dioxide	12255-12-8
AsP	arsenic monophosphide	12255-33-3
AsP₃	arsenic phosphide	12511-95-4
AsSe₄	arsenic tetraselenide	12006-06-3
As₂H₄	diarsenic tetrahydride	15942-63-9
As₂I₄	arsenic diiodide	13770-56-4
As₂O₃	arsenic trioxide Arsenic trioxide Arsenic trioxide is the inorganic compound with the formula As2O3. This commercially important oxide of arsenic is the main precursor to other arsenic compounds, including organoarsenic compounds. Approximately 50,000 tonnes are produced annually...	1327-53-3
As₂O₅	arsenic pentoxide Arsenic pentoxide Arsenic pentoxide is the inorganic compound with the formula As2O5. This glassy, white solid is relatively unstable, consistent with the rarity of the As oxidation state. More common, and far more important commercially, is arsenic oxide ....	1303-28-2
As₂P₂	arsenic diphosphide	12512-03-7
As₂S₃	arsenic trisulfide Arsenic trisulfide Arsenic trisulfide is the inorganic compound with the formula As2S3. This bright yellow solid is a well known mineral orpiment , has been used as a pigment, and has played a role in the analysis of arsenic compounds. This chalcogenide material is a group V/VI, intrinsic p-type semiconductor and...	1303-33-9
As₂S₄	arsenic tetrasulfide	1303-32-8
As₂S₅	arsenic pentasulfide Arsenic pentasulfide Arsenic pentasulfide is an inorganic compound contains arsenic and sulfur with the formula. The identity of this reddish solid remains uncertain...	1303-34-0
As₂Se	arsenic hemiselenide	1303-35-1
As₂Se₃	arsenic triselenide Arsenic triselenide Arsenic triselenide is an inorganic chemical compound, a selenide of arsenic.Amorphous arsenic triselenide is used as a chalcogenide glass for infrared optics, as it transmits light with wavelengths between 870 nm and 17.2 µm....	1303-36-2
As₂Se₅	arsenic pentaselenide	1303-37-3
As₂Te₃	arsenic tritelluride	12044-54-1
As₃O₄	arsenic tetraoxide	83527-53-1
As₃P	arsenic triphosphide	12512-11-7
As₄S₄	tetraarsenic tetrasulfide	12279-90-2
AuBr	gold(I) bromide Gold(I) bromide Gold bromide can be formed by synthesis from the elements or partial decomposition of gold bromide by careful control of temperatures and pressures. It occurs in two modifications. One is isostructural with gold chloride and has a body centered tetragonal unit cell with a=6.734A and c=8.674A and...	10294-27-6
AuBr₃	gold(III) bromide Gold(III) bromide Gold bromide is a dark-red to black crystalline solid. It has the empirical formula AuBr3, but exists primarily as a dimer with the molecular formula Au2Br6 in which two gold atoms are bridged by two bromine atoms. It is commonly referred to as gold bromide, gold tribromide, and rarely but...	10294-28-7
AuCN	gold(I) cyanide	506-65-0
AuCl	gold(I) chloride	10294-29-8
AuCl₃	gold(III) chloride Gold(III) chloride Gold chloride, traditionally called auric chloride, is a chemical compound of gold and chlorine. With the molecular formula Au2Cl6, the name gold trichloride is a simplification, referring to the empirical formula. The Roman numerals in the name indicate that the gold has an oxidation state of +3,...	13453-07-1
AuF₃	gold(III) fluoride Gold(III) fluoride Gold fluoride, , is an orange solid that sublimes at 300 °C. It is a powerful fluorinating agent.- Preparation :AuF3 can be prepared by reacting AuCl3 with F2 or BrF3.- Structure :...	14720-21-9
AuF₅	gold(V) fluoride Gold(V) fluoride Gold fluoride is the inorganic compound with the formula Au2F10. This fluoride compound features gold in its highest known oxidation state. This red solid dissolves in hydrogen fluoride but these solutions decompose, liberating fluorine....	57542-85-5
AuI	gold(I) iodide	10294-31-2
AuI₃	gold(III) iodide	31032-13-0
Au(OH)₃	gold(III) hydroxide Gold(III) hydroxide Gold hydroxide, gold trihydroxide, or gold hydroxide is an inorganic compound, a hydroxide of gold, with formula Au3. It is also called auric acid with formula H3AuO3. It is easily dehydrated above 140 °C to gold oxide. Salts of auric acid are termed aurates.Gold hydroxide is used in medicine,...	1303-52-2
AuSe	gold(II) selenide	23331-11-5
AuTe	gold(II) telluride	37043-71-3
Au₂O₃	gold(III) oxide Gold(III) oxide Gold oxide is the most stable oxide of gold. It is a red-brown, thermally unstable solid that decomposes at 160 °C. The hydrated form is weakly acidic and dissolves in concentrated alkali to form salts that are believed to contain the [Au4]− ion.Anhydrous AuO can be prepared by heating...	1303-58-8
Au₂S	gold(I) sulfide Gold(I) sulfide Gold sulfide is the inorganic compound with the formula Au2S. It is one of two principal sulfides of gold. Gold sulfides exist in nature as solid solutions with silver, which has the same covalent radius.-Structure and preparation:...	1303-60-2
Au₂S₃	gold(III) sulfide	1303-61-3
Au₂(SeO₄)₃	gold(III) selenate	10294-32-3
Au₂Se₃	gold(III) selenide	1303-62-4
Au₄Cl₈	gold(I,III) chloride Gold(I,III) chloride Gold chloride is a black solid with chemical formula Au4Cl8 that contains gold in two different oxidation states - +1 and +3. It is a photosensitive solid and should be kept away from light and stored in dark-coloured containers.- References :...	62792-24-9
Au₄F₈	gold(I,III) fluoride	14270-21-9

B

Chemical formula	Synonyms	CAS number
BAs	boron arsenide Boron arsenide Boron arsenide is a chemical compound of boron and arsenic. It is a cubic semiconductor with a lattice constant of 0.4777 nm and an indirect bandgap of roughly 1.5 eV...	12005-69-5
BAsO₄	boron arsenate	13510-31-1
BBr₃	boron tribromide Boron tribromide Boron tribromide, BBr3, is a colorless, fuming liquid compound containing boron and bromine. It is usually made by heating boron trioxide with carbon in the presence of bromine: this generates free boron which reacts vigorously with the bromine...	10294-33-4
BCl₃	boron trichloride Boron trichloride Boron trichloride is a chemical compound with the formula BCl3. This colorless gas is a valuable reagent in organic synthesis. It is also dangerously reactive.-Production and properties:Boron reacts with halogens to give the corresponding trihalides...	10294-34-5
BF₃	boron trifluoride Boron trifluoride Boron trifluoride is the chemical compound with the formula BF3. This pungent colourless toxic gas forms white fumes in moist air. It is a useful Lewis acid and a versatile building block for other boron compounds.-Structure and bonding:...	7637-07-2
BI₃	boron triiodide Boron triiodide Boron triiodide is a chemical compound of boron and iodine with chemical formula BI3. It has a trigonal planar molecular geometry. It is a crystalline solid. Its dielectric constant is 5.38 and its heat of vaporization is 40.5 kJ/mol....	13517-10-7
BN	boron nitride Boron nitride Boron nitride is a chemical compound with chemical formula BN, consisting of equal numbers of boron and nitrogen atoms. BN is isoelectronic to a similarly structured carbon lattice and thus exists in various crystalline forms...	10043-11-5
BP	boron phosphide Boron phosphide Boron phosphide is a chemical compound of boron and phosphorus. It is a semiconductor .-History:Crystals of boron phosphide have been synthesized by Henri Moissan as early as in 1891 .-Appearance:...	20205-91-8
BPO₄	boron orthophosphate	13308-51-5
B₂Cl₄	diboron tetrachloride	13701-67-2
B₂F₄	diboron tetrafluoride Diboron tetrafluoride Diboron tetrafluoride is a colorless gas. It can be formed by reacting boron monofluoride with boron trifluoride at low temperatures, taking care not to form higher polymers.-External links:*...	13965-73-6
B₂H₆	diboron hexahydride	19287-45-7
B₂O₃	diboron trioxide	1303-86-2
B₂S₃	diboron trisulfide	12007-33-9
B₄C	boron carbide Boron carbide Boron carbide is an extremely hard boron–carbon ceramic material used in tank armor, bulletproof vests, and numerous industrial applications...	12069-32-8
B₄H₁₀	boron decahydride	18283-93-7
BaAl₂O₄	barium aluminate	12004-04-5
Ba(AsO₃)₂	barium arsenite	125687-68-5
Ba(AsO₄)₂	barium arsenate	56997-31-0
BaB₆	barium boride	12046-08-1
BaBr₂	barium bromide Barium bromide Barium bromide is the chemical compound with the formula BaBr2. Like barium chloride, it dissolves well in water and is toxic in aqueous solution.-Structure and properties:...	10553-31-8
BaBr₂•2H₂O	barium bromide dihydrate	7791-28-8
Ba(CHO₂)₂	barium formate	541-43-5
Ba(CN)₂	barium cyanide	542-62-1
BaCO₃	barium carbonate Barium carbonate Barium carbonate , also known as witherite, is a chemical compound used in rat poison, bricks, ceramic glazes and cement.Witherite crystallizes in the orthorhombic system...	513-77-9
BaC₂	barium carbide	50813-65-5
Ba(C₂H₃O₂)₂	barium acetate Barium acetate Barium acetate is the salt of barium and acetic acid.-Preparation:Barium acetate is generally produced by the reaction of acetic acid with barium carbonate:The reaction is performed in solution and the barium acetate crystallizes out...	543-80-6
BaC₂O₄	barium oxalate Barium oxalate Barium oxalate, a barium salt of oxalic acid, is a white odorless powder sometimes used as a green pyrotechnic colorant generally in specialized pyrotechnic compositions containing magnesium.Though largely stable, it can be reactive with strong acids...	516-02-9
BaC₄H₄O₆	barium tartrate	5908-81-6
Ba(C₁₈H₃₅O₂)₂	barium stearate	6865-35-6
Ba(ClO₃)₂	barium chlorate Barium chlorate Barium chlorate is a white crystalline solid. It is an irritant, as are all barium compounds. If consumed, barium chlorate can cause nausea, vomiting, and diarrhea. It is used in pyrotechnics to produce a green color...	13477-00-4
Ba(ClO₄)₂	barium perchlorate	13465-95-7
BaCl₂	barium chloride Barium chloride Barium chloride is the inorganic compound with the formula BaCl2. It is one of the most common water-soluble salts of barium. Like other barium salts, it is toxic and imparts a yellow-green coloration to a flame. It is also hygroscopic....	10361-37-2
BaCl₂•2H₂O	barium chloride dihydrate	10326-27-9
BaCrO₄	barium chromate Barium chromate Barium chromate is a fine light yellow powder with the formula BaCrO4. The chromium occurs in the +6 oxidation state. It is an oxidizing agent, and produces a green flame when heated, the result of barium ions.-Reactions:...	10294-40-3
BaF₂	barium fluoride Barium fluoride Barium fluoride is a chemical compound of barium and fluorine. It is a solid which can be a transparent crystal. It occurs in nature as the mineral frankdicksonite.-Structure:...	7787-32-8
Ba(HS)₂	barium hyrdosulfide	25417-81-6
BaH₂	barium hydride	13477-09-3
BaHgI₄	barium tetraiodomercurate	10048-99-4
BaI₂	barium iodide Barium iodide Barium iodide is an inorganic compound with the formula BaI2. The compound exists both as an anhydrous and a hydrated forms. Both are white solids. When heated, hydrated barium iodide dehydrates and the anhydrous salt can be obtained...	13718-50-8
BaI₂•2H₂O	barium iodide dihydrate	7787-33-9
BaMnO₄	barium manganate	7787-35-1
Ba(MnO₄)₂	barium permanganate	7787-36-2
BaMoO₄	barium molybdate	7787-37-3
Ba(NO₂)₂	barium nitrite	13465-94-6
Ba(NO₃)₂	barium nitrate Barium nitrate Barium nitrate with chemical formula Ba2 is a salt of barium and the nitrate ion.Barium nitrate exists as a white solid at room temperature. It is soluble in water, and like other soluble barium compounds, is toxic and should be handled with care...	10022-31-8
BaN₆	barium azide Barium azide Barium azide Ba2 is an inorganic azide, is explosive, but less sensitive to mechanical shock than lead azide.-Uses:Can be used to make azides of magnesium , sodium, potassium, lithium, rubidium and zinc with their respective sulfates.It can also be used in the preparation of extra pure nitrogen on...	18810-58-7
Ba(NbO₃)₂	barium niobate	12009-14-2
BaO	barium oxide Barium oxide Barium oxide, BaO, is a white hygroscopic compound formed by the burning of barium in oxygen, although it is often formed through the decomposition of other barium salts.It reacts with water to form barium hydroxide.-Uses:...	1304-28-5
Ba(OH)₂	barium hydroxide Barium hydroxide Barium hydroxide is the chemical compound with the formula Ba2. Also known as baryta, it is one of the principal compounds of barium. The white granular monohydrate is the usual commercial form.-Preparation:...	17194-00-2
BaO₂	barium peroxide Barium peroxide Barium peroxide is the chemical compound with the formula BaO2. This grey-white solid is one of the most common inorganic peroxides. Barium peroxide is an oxidizing agent, which is used for bleaching...	1304-29-6
Ba(PO₃)₂	barium metaphosphate	13466-20-1
Ba(ReO₄)₂	barium perrhenate	13768-52-0
BaS	barium sulfide Barium sulfide Barium sulfide is the inorganic compound with the formula BaS. BaS is an important precursor to other barium compounds including BaCO3 and the pigment lithopone, ZnS/BaSO4. Like other chalcogenides of the alkaline earth metals, BaS is a short wavelength emitters for electronic displays...	21109-95-5
Ba(SCN)₂	barium thiocyanate	2092-17-3
BaSO₃	barium sulfite Barium sulfite Barium sulfite is the barium salt of sulfurous acid with the chemical formula BaSO3. It is a white powder which is used in paper manufacturing. Like other barium compounds, it is toxic....	7787-39-5
BaSO₄	barium sulfate Barium sulfate Barium sulfate is the inorganic compound with the chemical formula BaSO4. It is a white crystalline solid that is odorless and insoluble in water. It occurs as the mineral barite, which is the main commercial source of barium and materials prepared from it...	7727-43-7
BaS₂O₃	barium thiosulfate	35112-53-9
BaSe	barium selenide	1304-39-8
BaSeO₃	barium selenite	13718-59-7
BaSeO₄	barium selenate	7787-41-9
BaSiF₆	barium hexafluorosilicate	17125-80-3
BaSiO₃	barium metasilicate	13255-26-0
BaSi₂	barium silicide	1304-40-1
BaSi₂O₅	barium disilicate	12650-28-1
BaSnO₃	barium stannate	12009-18-6
BaTiO₃	barium titanate Barium titanate Barium titanate is the inorganic compound with the chemical formula BaTiO3. Barium titanate is a white powder and transparent as larger crystals...	12047-27-7
Ba(VO₃)₂	barium vanadate	22652-39-7
BaWO₄	barium tungstate	7787-42-0
BaZrO₃	barium zirconate	12009-21-1
Ba₂P₂O₇	barium pyrophosphate	13466-21-2
Ba₃(CrO₄)₂	barium dichromate	12345-14-1
Ba₃N₂	barium nitride	12047-79-9
Ba₃(VO₄)₂	barium orthovanadate	39416-30-3
BeAl₂O₄	beryllium aluminate	120041-06-7
Be(BH₄)₂	beryllium borohydride	17440-85-6
BeB₂	beryllium boride	12228-40-9
BeBr₂	beryllium bromide Beryllium bromide Beryllium bromide is the chemical compound with the formula BeBr2. It is very hygroscopic and dissolves well in water.-Reactions:Beryllium bromide can be prepared by reacting beryllium metal with elemental bromine at temperatures of 500°C to 700°C:...	7787-46-4
Be(CHO₂)₂	beryllium formate	1111-71-3
Be(C₂H₃O₂)₂	beryllium acetate	543-81-7
Be(C₅H₇O₂)₂	beryllium acetylacetonate	10210-64-7
BeCl₂	beryllium chloride Beryllium chloride Beryllium chloride is an inorganic compound with the formula BeCl2. It is a colourless, hygroscopic solid that dissolves well in many polar solvents...	7787-47-5
BeF₂	beryllium fluoride Beryllium fluoride Beryllium fluoride is the inorganic compound with the formula BeF2. This white solid is the principal precursor for the manufacture of beryllium metal.-Structure and bonding:...	7787-49-7
BeH₂	beryllium hydride Beryllium hydride Beryllium hydride, BeH2, is a chemical compound of beryllium and hydrogen commonly used in rocket fuel. Unlike the ionically bonded hydrides of the heavier Group 2 elements, beryllium hydride is covalently bonded.- Synthesis :...	7787-52-2
BeI₂	beryllium iodide Beryllium iodide Beryllium iodide is the chemical compound with the formula BeI2. It is very hygroscopic and reacts violently with water, forming hydroiodic acid.-Reactions:...	7787-53-3
Be(NO₃)₂	beryllium nitrate Beryllium nitrate Beryllium nitrate, also known as beryllium dinitrate, is an ionic beryllium salt of nitric acid with the chemical formula Be2. Each formula unit is composed of one Be2+ cation and two NO3- anions.- Hazards :...	13597-99-4
Be(NO₃)₂•4H₂O	beryllium nitrate tetrahydrate	13510-48-0
Be(NO₃)₂•3H₂O	beryllium nitrate trihydrate	7787-55-5
BeO	beryllium oxide Beryllium oxide Beryllium oxide , also known as beryllia, is an inorganic compound with the formula BeO. This colourless solid is a notable electrical insulator with a higher thermal conductivity than any other non-metal except diamond, and actually exceeds that of some metals. As an amorphous solid, beryllium...	1304-56-9
Be(OH)₂	beryllium hydroxide Beryllium hydroxide Beryllium hydroxide, Be2 is an amphoteric hydroxide, dissolving in both acids and alkalis. Industrially it is produced as a by-product in the extraction of beryllium metal from the ores, beryl and bertrandite. When alkali is added to beryllium salt solutions the α-form is formed. If this left to...	13327-32-7
BeS	beryllium sulfide	13598-22-6
BeSO₄	beryllium sulfate Beryllium sulfate Beryllium sulfate is a white crystalline solid. It was first isolated in 1815 by Jons Jakob Berzelius.Beryllium sulfate may be prepared by treating an aqueous solution of any beryllium salt with sulfuric acid, followed by evaporation of the solution and crystallization...	13510-49-1
BeSO₄•4H₂O	beryllium sulfate trihydrate	7787-56-6
BeSe	beryllium selenide	12232-25-6
BeTe	beryllium telluride Beryllium telluride Beryllium telluride is a chemical compound of beryllium and tellurium. It is a crystalline solid with the lattice constant of 0.5615 nm. It is a semiconductor with a large energy gap of around 3 eV....	12232-27-8
Be₂C	beryllium carbide Beryllium carbide Beryllium carbide, or Be2C, is a metal carbide. Similar to diamond, it is a very hard compound.-Preparation:Beryllium carbide is prepared by heating the elements beryllium and carbon at elevated temperatures...	506-66-1
Be₂SiO₄	beryllium silicate	13598-00-0
Be₃N₂	beryllium nitride Beryllium nitride Beryllium nitride, Be3N2, is a nitride of beryllium. It can be prepared from the elements at high temperature , different Beryllium azide or BeN6,it decomposes in vacuum into beryllium and nitrogen. It is readily hydrolysed forming beryllium hydroxide and ammonia. It has two polymorphic forms cubic...	1304-54-7
Be₃(PO₄)₂	beryllium phosphate	13598-15-7
BiBr₃	bismuth(III) bromide	7787-58-8
Bi(CHO₂)₃	bismuth(III) formate	25573-24-4
BiC₆H₅O₇	bismuth(III) citrate	813-93-4
BiCl₃	bismuth(III) chloride	7787-60-2
BiF₃	bismuth(III) fluoride	7787-61-3
BiF₅	bismuth(V) fluoride	7787-62-4
BiH₃	bismuth(III) hydride	18288-22-7
BiI₃	bismuth(III) iodide Bismuth(III) iodide Bismuth iodide is the inorganic compound with the formula BiI3. This gray-black solid is the product of the reaction of bismuth and iodide, which once was of interest in qualitative inorganic analysis....	7787-64-6
BiNbO₄	bismuth(III) orthoniobate	12272-28-5
BiOBr	bismuth(III) oxybromide	7787-57-7
BiOCl	bismuth(III) oxychloride	7787-59-9
Bi(OH)₃	bismuth(III) hydroxide	10361-43-0
BiOI	bismuth(III) oxyiodide	7787-63-5
BiONO₃	bismuth(III) oxynitrate	10361-46-3
(BiO)₂CO₃	bismuth(III) subcarbonate	5892-10-4
BiPO₄	bismuth(III) phosphate	10049-01-1
BiTaO₄	bismuth(III) orthotantalate	12272-29-6
BiVO₄	bismuth(III) vanadate	14059-33-7
Bi₂(C₂O₄)₃	bismuth(III) oxalate	6591-55-5
Bi₂(MoO₄)₃	bismuth(III) molybdate	51898-99-8
Bi₂O₃	bismuth(III) oxide	1304-76-3
Bi₂O₄	bismuth(IV) peroxide	12048-50-9
Bi₂S₃	bismuth(III) sulfide Bismuth(III) sulfide Bismuth sulfide is a chemical compound of bismuth and sulfur. It occurs in nature as the mineral bismuthinite.-Synthesis:Bismuth sulfide can be prepared by reacting a bismuth salt with hydrogen sulfide:...	1345-07-9
Bi₂Se₃	bismuth(III) selenide	12068-69-8
Bi₂(SnO₄)₃	bismuth(III) stannate	7787-68-0
Bi₂Te₃	bismuth(III) telluride	1304-82-1
Bi₄(TiO₄)₃	bismuth(III) titanate	12048-51-0
Bi₅O(OH)₉(NO₃)₄	bismuth(III) subnitrate	1304-85-4
BkBr₃	berkelium(III) bromide	22787-71-9
BkCl₃	berkelium(III) chloride	13536-46-4
BkF₃	berkelium(III) fluoride	20716-88-5
BkF₄	berkelium(IV) fluoride	22422-27-1
BkI₃	berkelium(III) iodide	23171-53-1
BkO	berkelium(II) oxide	70424-36-1
BkO₂	berkelium(IV) oxide	12010-84-3
Bk₂O₃	berkelium(III) oxide	12310-58-6
BrCl	bromine monochloride Bromine monochloride Bromine monochloride, also called bromine chloride, bromochloride, and bromine chloride, is an interhalogen inorganic compound with chemical formula BrCl. It is an unstable brownish yellow gas with boiling point 5°C and melting point −66 °C. Its CAS number is 13863-41-7 and its EINECS number is...	13863-41-7
BrF	bromine monofluoride	13863-59-7
BrF₃	bromine trifluoride Bromine trifluoride Bromine trifluoride is an interhalogen compound with the formula BrF3. This toxic, colourless, and corrosive liquid is soluble in sulfuric acid but explodes on contact with water and organic compounds. It is a powerful fluorinating agent and an ionizing inorganic solvent...	7787-71-5
BrF₅	bromine pentafluoride Bromine pentafluoride Bromine pentafluoride, BrF5, is an interhalogen compound and a fluoride of bromine. It is a strong fluorination reagent.It melts at −61.30 °C and boils at 40.25 °C. BrF5 finds use in oxygen isotope analysis. Laser ablation of solid silicates in the presence of bromine pentafluoride releases O2 for...	7789-30-2
BrN₃	bromine azide	13973-87-0
BrO₂	bromine monoxide	21255-83-4
Br₂O	bromine dioxide Bromine dioxide Bromine dioxide is the chemical compound composed of bromine and oxygen with the formula BrO2. It forms unstable yellow to yellow-orange crystals. It was first isolated by R. Schwarz and M. Schmeißer in 1937 and is hypothesized to be important in the atmospheric reaction of bromine with ozone...	21308-80-5

C

Chemical formula	Synonyms	CAS number
Ca(AlH₄)₂	calcium tetrahydroaluminate	16941-10-9
CaAl₂O₄	calcium aluminate	12042-68-1
CaB₆	calcium boride	12007-99-7
CaBr₂	calcium bromide Calcium bromide Calcium bromide is the calcium salt of hydrobromic acid with the chemical formula of CaBr2. In its solid state, it is a white powder. CaBr2 can be found in drilling fluids, neuroses medication, freezing mixtures, food preservatives, photography and fire retardants.When strongly heated in air,...	7789-41-5
Ca(CHO₂)₂	calcium formate Calcium formate Calcium formate, Ca2, is the calcium salt of formic acid, HCOOH. It is also known as food additive E238 in food industry. The mineral form is very rare and called formicaite. It is known from a few boron deposits. It may be produced synthetically by reacting calcium oxide or calcium hydroxide with...	544-17-2
Ca(CN)₂	calcium cyanide Calcium cyanide Calcium cyanide is an inorganic compound with the formula Ca2. It is the calcium salt of hydrogen cyanide. At normal conditions, it appears as colorless crystals or white powder with characteristic odor of bitter almonds . Like other similar cyanides it is very toxic...	592-01-8
CaCN₂	calcium cyanamide Calcium cyanamide Calcium cyanamide or CaCN2 is a calcium compound used as fertilizer, first synthesized in 1898 by Adolph Frank and Nikodem Caro . It is formed when calcium carbide reacts with nitrogen. It is commercially known as Nitrolime....	156-62-7
CaCO₃	calcium carbonate Calcium carbonate Calcium carbonate is a chemical compound with the formula CaCO3. It is a common substance found in rocks in all parts of the world, and is the main component of shells of marine organisms, snails, coal balls, pearls, and eggshells. Calcium carbonate is the active ingredient in agricultural lime,...	471-34-1
CaC₂	calcium carbide Calcium carbide thumb\|right\|Calcium carbide.Calcium carbide is a chemical compound with the chemical formula of CaC2. The pure material is colorless, however pieces of technical grade calcium carbide are grey or brown and consist of only 80-85% of CaC2 . Because of presence of PH3, NH3, and H2S it has a...	75-20-7
Ca(C₂HO₂)₂	calcium fumarate Calcium fumarate Calcium fumarate is a compound with formula Ca or Ca. It is a calcium salt of fumaric acid.It has E number "E367"....	19855-56-2
Ca(C₂H₃O₂)₂	calcium acetate Calcium acetate The chemical compound calcium acetate is the calcium salt of acetic acid. It has the formula Ca2. Its standard name is calcium acetate, while calcium ethanoate is the systematic IUPAC name. An older name is acetate of lime...	62-54-4
CaC₂O₄	calcium oxalate Calcium oxalate Calcium oxalate is a chemical compound that forms needle-shaped crystals, known in plants as raphides. A major constituent of human kidney stones, the chemical is also found in beerstone, a scale that forms on containers used in breweries...	563-72-4
Ca(C₃H₅O₂)₂	calcium propionate Calcium propionate Calcium propanoate or calcium propionate has the formula Ca2. It is the calcium salt of propanoic acid.-Uses:As a food additive, it is listed as E number 282 in the Codex Alimentarius. Calcium propanoate is used as a preservative in a wide variety of products, including but not limited to bread,...	4075-81-4
Ca(ClO₃)₂	calcium chlorate Calcium chlorate Calcium chlorate is the calcium salt of chloric acid with the chemical formula of Ca2. Like potassium chlorate, it is a strong oxidizer and can be used in pyrotechnic formulations. It is a crystalline substance...	10137-74-3
Ca(ClO₄)₂	calcium perchlorate	13477-36-6
CaCl₂	calcium chloride Calcium chloride Calcium chloride, CaCl2, is a salt of calcium and chlorine. It behaves as a typical ionic halide, and is solid at room temperature. Common applications include brine for refrigeration plants, ice and dust control on roads, and desiccation...	10043-52-4
CaCl₂•6H₂O	calcium chloride hexahydrate	7774-34-7
CaCl₂O₂	calcium hypochlorite Calcium hypochlorite Calcium hypochlorite is a chemical compound with formula 2. It is widely used for water treatment and as a bleaching agent...	7778-54-3
CaCr₂O₇	calcium chromate Calcium chromate Calcium chromate is a bright yellow solid. It normally occurs as the dihydrate.-Properties:Calcium chromate loses water at 200 °C. Calcium chromate reacts with organic matter or reducing agents to form chromium. Calcium chromate will react explosively with hydrazine...	14307-33-6
CaF₂	calcium fluoride Calcium fluoride Calcium fluoride is the inorganic compound with the formula CaF2. This ionic compound of calcium and fluorine occurs naturally as the mineral fluorite . It is the source of most of the world's fluorine. This insoluble solid adopts a cubic structure wherein calcium is coordinated to eight fluoride...	7789-75-5
CaHPO₄	calcium hydrogenorthophosphate	7757-93-9
CaH₂	calcium hydride Calcium hydride Calcium hydride is the chemical compound with the formula CaH2. This grey powder reacts vigorously with water liberating hydrogen gas. CaH2 is thus used as a drying agent, i.e. a desiccant....	7789-78-8
Ca(H₂PO₂)₂	calcium hypophosphite	7789-79-9
Ca(IO₃)₂	calcium iodate Calcium iodate Calcium iodate is a compound of calcium and iodate anion. Its formula is Ca2. It is used as a dough conditioner. Calcium iodate is an oxidant added to lotions and ointments as an antiseptic and deodorant. It may be formed by the anodic oxidation of calcium iodide....	7789-80-2
CaI₂	calcium iodide Calcium iodide Calcium iodide is the inorganic compound with the formula CaI2. This colourless deliquescent solid is highly soluble in water. Its properties are similar to those for related salts, such as calcium chloride...	10102-68-8
Ca(MnO₄)₂	calcium permanganate Calcium permanganate Calcium permanganate is an oxidizing agent. It consists of the metal calcium and two permanganate ions. It is noncombustible, but it will accelerate the burning of combustible material. If the combustible material is finely divided, the mixture may be explosive. Contact with liquid combustible...	10118-76-0
CaMoO₄	calcium molybdate	7789-82-4
Ca(NO₂)₂	calcium nitrite	13780-06-8
Ca(NO₃)₂	calcium nitrate Calcium nitrate Calcium nitrate, also called Norgessalpeter , is the inorganic compound with the formula Ca2. This colourless salt absorbs moisture from the air and is commonly found as a tetrahydrate. It is mainly used as a component in fertilizers but is found other applications...	10124-37-5
CaO	calcium oxide Calcium oxide Calcium oxide , commonly known as quicklime or burnt lime, is a widely used chemical compound. It is a white, caustic, alkaline crystalline solid at room temperature....	1305-78-8
Ca(OH)₂	calcium hydroxide Calcium hydroxide Calcium hydroxide, traditionally called slaked lime, is an inorganic compound with the chemical formula Ca2. It is a colourless crystal or white powder and is obtained when calcium oxide is mixed, or "slaked" with water. It has many names including hydrated lime, builders lime, slack lime, cal, or...	1305-62-0
CaO₂	calcium peroxide Calcium peroxide Calcium peroxide is a solid peroxide with a white or yellowish color. For all practical purposes calcium peroxide is insoluble in water but will dissolve in acid to form hydrogen peroxide...	1305-79-9
CaRe₂O₈	calcium perrhenate	13768-54-2
CaS	calcium sulfide Calcium sulfide Calcium sulfide is the chemical compound with the formula CaS. This white material crystallizes in cubes like rock salt. CaS has been studied as a component in a process that would recycle gypsum, a product of flue gas desulfurization...	20548-54-3
CaSO₄	calcium sulfate Calcium sulfate Calcium sulfate is a common laboratory and industrial chemical. In the form of γ-anhydrite , it is used as a desiccant. It is also used as a coagulant in products like tofu. In the natural state, unrefined calcium sulfate is a translucent, crystalline white rock...	7778-18-9
CaSe	calcium selenide	1305-84-6
CaSiO₃	calcium metasilicate	1344-95-2
CaSi₂	calcium silicide Calcium silicide Calcium silicide , also called calcium disilicide, is an inorganic compound, a silicide of calcium. It is a whitish or dark grey to black solid matter with melting point 1033°C. It is insoluble in water, but may decompose when subjected to moisture, evolving hydrogen and producing calcium...	12013-56-8
CaTe	calcium telluride	12013-57-9
CaTiO₃	calcium titanate Calcium titanate Perovskite is a calcium titanium oxide mineral species composed of calcium titanate, with the chemical formula CaTiO3.The mineral was discovered in the Ural Mountains of Russia by Gustav Rose in 1839 and is named after Russian mineralogist Lev Perovski .It lends its name to the class of compounds...	12049-50-2
CaWO₄	calcium tungstate	7790-75-2
Ca₂P₂O₇	calcium pyrophosphate Calcium pyrophosphate Calcium pyrophosphate is a chemical compound that can be formed by the reaction of pyrophosphoric acid and a calcium base or by strongly heating calcium phosphate or calcium ammonium phosphate....	7790-76-3
Ca₂SiO₄	calcium silicate Calcium silicate Calcium silicate is the chemical compound Ca2SiO4, also known as calcium orthosilicate and sometimes formulated 2CaO.SiO2. It is one of group of compounds obtained by reacting calcium oxide and silica in various ratios e.g. 3CaO.SiO2, Ca3SiO5; 2CaO.SiO2, Ca2SiO4; 3CaO.2SiO2, Ca3Si2O7 and...	1344-95-2
Ca₃(AsO₄)₂	calcium arsenate Calcium arsenate Calcium arsenate is an extremely poisonous chemical compound that most commonly exists as a colorless to white amorphous solid. It was originally used as a pesticide and as a germicide...	7778-44-1
Ca₃(C₆H₁₅O₇)₂	calcium citrate Calcium citrate Calcium citrate is the calcium salt of citric acid. It is commonly used as a food additive , usually as a preservative, but sometimes for flavor. In this sense, it is similar to sodium citrate. Calcium citrate is also used as a water softener because the citrate ions can chelate unwanted metal...	5785-44-4
Ca₃N₂	calcium nitride Calcium nitride Calcium nitride is a red-brown, crystalline solid made up of calcium and nitrogen. Its chemical formula is Ca3N2.α-Calcium nitride is the commonly encountered form...	12013-82-0
Ca₃(PO₄)₂	calcium phosphate Calcium phosphate Calcium phosphate is the name given to a family of minerals containing calcium ions together with orthophosphates , metaphosphates or pyrophosphates and occasionally hydrogen or hydroxide ions ....	7758-87-4
Ca₃P₂	calcium phosphide Calcium phosphide Calcium phosphide is a chemical is used in incendiary bombs. It has the appearance of red-brown crystalline powder or grey lumps, with melting point of 1600 °C. Its trade name is Photophor for the incendiary use or Polythanol for the use as rodenticide.It may be formed by reaction of the elements...	1305-99-3
CdBr₂	cadmium bromide Cadmium bromide Cadmium bromide is a cream-coloured crystalline ionic cadmium salt of hydrobromic acid that is soluble in water. It is very toxic, along with other cadmium compounds.-Uses:It is used in the manufacturing of photographic film, engraving and lithography....	7789-42-6
Cd(CN)₂	cadmium cyanide Cadmium cyanide Cadmium cyanide is an inorganic compound with the formula Cd2. This white crystalline compound is used in electroplating. It is very toxic, along with other cadmium and cyanide compounds.-Usage:...	542-83-6
CdCO₃	cadmium carbonate	513-78-0
Cd(C₂H₃O₂)₂	cadmium acetate Cadmium acetate Cadmium acetate is the chemical compound with the formula Cd2. This colourless solid is classified coordination polymer, featuring acetate ligands interconnecting cadmium centers. The compound exists in anhydrous form and as a dihydrate...	543-90-8
CdC₂O₄	cadmium oxalate	814-88-0
CdCl₂	cadmium chloride Cadmium chloride Cadmium chloride is a white crystalline compound of cadmium and chlorine, with the formula CdCl2. It is a hygroscopic solid that is highly soluble in water and slightly soluble in alcohol. Although it is considered to be ionic, it has considerable covalent character to its bonding...	10108-64-2
CdCrO₄	cadmium chromate	14312-00-6
CdF₂	cadmium fluoride Cadmium fluoride Cadmium fluoride is a mostly water-insoluble source of cadmium used in oxygen-sensitive applications, such as the production of metallic alloys. In extremely low concentrations , this and other fluoride compounds are used in limited medical treatment protocols...	7790-79-6
Cd(IO₃)₂	cadmium iodate	7790-81-0
CdI₂	cadmium iodide Cadmium iodide Cadmium iodide, CdI2, is a chemical compound of cadmium and iodine. It is notable for its crystal structure, which is typical for compounds of the form MX2 with strong polarization effects.-Uses:...	7790-80-9
CdMoO₄	cadmium molybdate	13972-68-4
Cd(NO₃)₂	cadmium nitrate Cadmium nitrate Cadmium nitrate describes any of a related members of a family of inorganic compound with the general formula Cd2.xH2O. The anhydrous form is volatile but the others are salts. All are colourless crystalline solids that absorb moisture from air and becomes watery, that is deliquescent...	10325-94-7
Cd(N₃)₂	cadmium azide	14215-29-3
CdO	cadmium oxide Cadmium oxide Cadmium oxide is an inorganic compound with the formula CdO. It is one of the main precursors to other cadmium compounds. It crystallizes in a cubic rocksalt lattice like sodium chloride, with octahedral cation and anion centers. It occurs naturally as the rare mineral monteponite. Cadmium oxide...	1306-19-0
Cd(OH)₂	cadmium hydroxide Cadmium hydroxide Cadmium hydroxide is an inorganic compound with the formula Cd2. It is a white crystalline ionic compound that is a key component of NiCd batteries.-Preparation and reactions:...	21041-95-2
CdS	cadmium sulfide Cadmium sulfide Cadmium sulfide is the inorganic compound with the formula CdS. Cadmium sulfide is a yellow solid. It occurs in nature with two different crystal structures as the rare minerals greenockite and hawleyite, but is more prevalent as an impurity substituent in the similarly structured zinc ores...	1306-23-6
CdSO₄	cadmium sulfate Cadmium sulfate Cadmium sulfate is the name of a series of related inorganic compounds with the formula CdSO4.xH2O. The most common form is the monohydrate CdSO4.H2O, but two other forms are known CdSO4.8/3H2O and the anhydrous salt...	10124-36-4
CdSb	cadmium antimonide	12014-29-8
CdSe	cadmium selenide Cadmium selenide Cadmium selenide is a solid, binary compound of cadmium and selenium. Common names for this compound are cadmium selenide, cadmium selenide, and cadmoselite ....	1306-24-7
CdSiO₃	cadmium silicate	13477-19-5
CdTe	cadmium telluride Cadmium telluride Cadmium telluride is a crystalline compound formed from cadmium and tellurium. It is used as an infrared optical window and a solar cell material. It is usually sandwiched with cadmium sulfide to form a p-n junction photovoltaic solar cell...	1306-25-8
CdTiO₄	cadmium titanate	12014-14-1
CdWO₄	cadmium tungstate Cadmium tungstate Cadmium tungstate , the cadmium salt of tungstic acid, is a dense, chemically inert solid which is used as a scintillation crystal to detect gamma rays. It has density of 7.9 g/cm3 and melting point of 1325 °C. It is toxic if inhaled or swallowed. Its crystals are transparent, colorless,...	7790-85-4
Cd₂Nb₂O₇	cadmium niobate	12187-14-3
Cd₃As₂	cadmium arsenide Cadmium arsenide Cadmium arsenide is a crystalline semiconductor with a tetragonal structure in the II-V family. It is a narrow gap semiconductor with an energy gap of 0.14 eV. The electron mobility is very large at ambient temperature...	12006-15-4
Cd₃P₂	cadmium phosphide	1204-28-7
Cd₃N₂	cadmium nitride	12380-95-9
CeBr₃	cerium(III) bromide Cerium(III) bromide Cerium bromide is an inorganic compound with the formula CeBr3. This white hygroscopic solid is of interest as a component of scintillation counters.-Preparation and basic properties:...	7790-86-5
Ce(CHO₂)₃	cerium(III) formate	3252-51-5
CeCl₃	cerium(III) chloride Cerium(III) chloride Cerium chloride , also known as cerous chloride or cerium trichloride, is a compound of cerium and chlorine. It is a white hygroscopic solid; It rapidly absorbs water on exposure to moist air to form a hydrate which appears to be of variable composition, though the heptahydrate CeCl3·7 H2O is known...	7790-86-5
CeF₂	cerium(II) fluoride	22655-57-8
CeF₃	cerium(III) fluoride	7758-88-5
CeF₄	cerium(IV) fluoride	10060-10-3
CeH₂	cerium(II) hydride	13569-50-1
CeI₂	cerium(II) iodide	19139-47-0
CeI₃	cerium(III) iodide	7790-87-6
CeN	cerium(III) nitride	25764-08-3
CeO₂	cerium(IV) oxide Cerium(IV) oxide Cerium oxide, also known as ceric oxide, ceria, cerium oxide or cerium dioxide, is an oxide of the rare earth metal cerium...	1306-38-3
CeS	cerium(II) sulfide	12014-82-3
CeVO₂	cerium(III) vanadate	13597-19-8
Ce₂(C₂O₄)₃	cerium(III) oxalate	15750-47-7
Ce₂O₃	cerium(III) oxide Cerium(III) oxide Cerium oxide is an oxide of the rare earth metal cerium. It has chemical formula Ce2O3, and is gold-yellow in color.-Exhaust catalysts:...	1306-38-3
Ce₂S₃	cerium(III) sulfide	12014-93-6
CfBr₂	californium(II) bromide	36700-18-2
CfBr₃	californium(III) bromide	20758-68-3
CfCl₂	californium(II) chloride	99643-99-9
CfCl₃	californium(III) chloride	13536-90-8
CfF₃	californium(III) fluoride	42775-52-0
CfF₄	californium(IV) fluoride	42845-08-9
CfI₂	californium(II) iodide	49774-08-5
CfI₃	californium(III) iodide	20758-81-0
CfO₂	californium(IV) oxide	12015-10-0
Cf₂O₃	californium(III) oxide	12050-91-8
ClF	chlorine monofluoride Chlorine monofluoride Chlorine monofluoride is a volatile interhalogen compound with the chemical formula ClF. It is a colourless gas at room temperature and is stable even at high temperatures. When cooled to −100 °C, ClF condenses as a pale yellow liquid...	7790-89-8
ClF₃	chlorine trifluoride Chlorine trifluoride Chlorine trifluoride is an interhalogen compound with the formula ClF3. This colourless, poisonous, corrosive and very reactive gas condenses to a pale-greenish yellow liquid, the form in which it is most often sold...	7790-91-2
ClF₅	chlorine pentafluoride Chlorine pentafluoride Chlorine pentafluoride is an interhalogen compound with formula ClF5. It was first synthesized in 1963.Its square pyramidal structure with C4v symmetry was confirmed by its high resolution19F NMR spectrum.-Preparation:...	13637-63-3
ClOClO₃	chlorine perchlorate Chlorine perchlorate Chlorine perchlorate is the chemical compound with the formula Cl2O4. This chlorine oxide is an asymmetric oxide, with one chlorine atom in oxidation state +1 and the other +7, with proper formula ClOClO3...	27218-16-2
Cl₂O	chlorine monoxide Chlorine monoxide Chlorine monoxide is a chemical radical with the formula ClO. It plays an important role in the process of ozone depletion. In the stratosphere, chlorine atoms react with ozone molecules to form chlorine monoxide and oxygen....	7791-21-1
ClO₂	chlorine dioxide Chlorine dioxide Chlorine dioxide is a chemical compound with the formula ClO2. This yellowish-green gas crystallizes as bright orange crystals at −59 °C. As one of several oxides of chlorine, it is a potent and useful oxidizing agent used in water treatment and in bleaching....	10049-04-4
Cl₂O₃	chlorine trioxide	17496-59-2
Cl₂O₆	chlorine hexoxide	12442-63-6
Cl₂O₇	chlorine heptoxide	10294-48-1
CmBr₃	curium(III) bromide	14890-42-7
CmCl₃	curium(III) chloride	13537-20-7
CmF₃	curium(III) fluoride	13708-79-7
CmF₄	curium(IV) fluoride	24311-95-3
CmI₃	curium(III) iodide	14696-85-6
CmO	curium(II) oxide	24762-86-5
CmO₂	curium(IV) oxide	12016-67-0
Cm₂O₃	curium(III) oxide	12371-27-6
CoAl₂O₄	cobalt(II) aluminate	13820-62-7
CoBr₂	cobalt(II) bromide Cobalt(II) bromide Cobalt bromide is an inorganic compound used primarily as a catalyst in some processes.-Properties:When anhydrous, cobalt bromide appears as green crystals. The hexahydrate loses four waters of crystallization molecules at 100°C forming the dihydrate:Further heating to 130°C Produces the anhydrous...	7789-43-7
Co(CN)₂	cobalt(II) cyanide Cobalt(II) cyanide Cobalt cyanide is the inorganic compound with the formula Co2. It is coordination polymer that has attracted intermitant attention over many years in the area of inorganic synthesis and homogeneous catalysis.-Preparation:...	542-84-7
Co(C₂H₃O₂)₂	cobalt(II) acetate Cobalt(II) acetate Cobalt acetate is the cobalt salt of acetic acid. It may also be found as the tetrahydrate.It may be formed by the reaction between cobalt oxide or hydroxide and acetic acid:...	71-48-7
Co(C₂H₃O₂)₂	cobalt(II) acetate tetrahydrate	6147-53-1
CoC₂O₄	cobalt(II) oxalate Cobalt(II) oxalate Cobalt oxalate is the inorganic compound with the formula of CoC2O4. Like other simple inorganic oxalates, it a coordination polymer. The oxalate ligands bridge of Co2 centres. Each cobalt adopts octahedral coordination geometry....	814-89-1
Co(C₁₁H₁₀O₂)₂	cobalt(II) naphthenate Cobalt(II) naphthenate Cobalt naphthenate is a mixture of cobalt derivatives of naphthenic acids. These coordination complexes are widely used as oil drying agents for the autoxidative crosslinking of drying oils. Metal naphthenates are not well defined in conventional chemical sense that they are mixtures...	61789-51-3
CoC₁₅H₂₁O₆	cobalt(III) acetylacetonate	21679-46-9
Co(ClO₄)₂	cobalt(II) perchlorate	13455-31-7
CoCl₂	cobalt(II) chloride Cobalt(II) chloride Cobalt chloride is an inorganic compound of cobalt and chloride, with the formula CoCl2. It is usually supplied as the hexahydrate CoCl2·6H2O, which is one of the most commonly used cobalt compounds in the laboratory. The hexahydrate is deep purple in color, whereas the anhydrous form is sky blue...	7646-79-9
CoCl₂•6H₂O	cobalt(II) chloride hexahydrate	7791-13-1
CoCl₃	cobalt(III) chloride	10241-04-0
CoCrO₄	cobalt(II) chromate	24613-38-5
CoCr₂O₄	cobalt(II) chromite	13455-25-9
CoF₂	cobalt(II) fluoride Cobalt(II) fluoride Cobalt fluoride is a chemical compound with the formula . It is a pink crystalline solid compound. The formula is given for both the red tetragonal crystal, , and the tetrahydrate red orthogonal crystal, . CoF2 is used in oxygen-sensitive fields, namely metal production. In low concentrations, it...	10026-17-2
CoF₃	cobalt(III) fluoride Cobalt(III) fluoride Cobalt fluoride is the inorganic compound with the formula CoF3. This highly reactive, hygroscopic brown solid is used to synthesize organofluorine compounds...	10026-18-3
CoF₄	cobalt(IV) fluoride	13596-45-7
CoI₂	cobalt(II) iodide Cobalt(II) iodide Cobalt iodide or cobaltous iodide is the inorganic compound composed with the formula Co I2. The two forms of CoI2 and the hydrated form are the principal iodides of cobalt.-Synthesis and structure:...	15238-00-3
Co(IO₃)₂	cobalt(II) iodate	13455-28-2
CoMoO₄	cobalt(II) molybdate	13762-14-6
Co(NO₃)₂	cobalt(II) nitrate Cobalt(II) nitrate Cobalt nitrate is the inorganic cobalt salt of nitric acid, often with various amounts of water. It is more commonly found as a hexahydrate, Co2·6H2O, which is a red-brown deliquescent salt that is soluble in water and other polar solvents....	10141-05-6
Co(NO₃)₂•6H₂O	cobalt(II) nitrate hexahydrate	10026-22-9
Co(NO₃)₃	cobalt(III) nitrate	15520-84-0
CoO	cobalt(II) oxide Cobalt(II) oxide Cobalt oxide or cobalt monoxide is an inorganic compound that appears as olive-green to red crystals, or as a greyish or black powder...	1307-96-6
Co(OH)₂	cobalt(II) hydroxide Cobalt(II) hydroxide Cobalt hydroxide or cobaltous hydroxide is the chemical compound composed of cobalt and the hydroxide ion with the formula Co2. It occurs in two forms, either as a rose-red powder, which is the more stable of the two forms, or as bluish-green powder...	21041-93-0
Co(OH)₃	cobalt(III) hydroxide	1307-86-4
CoS	cobalt(II) sulfide	1317-42-6
CoS₂	cobalt(IV) sulfide	12013-10-4
CoSe	cobalt(II) selenide	1307-99-9
CoTe	cobalt(II) telluride	12017-13-9
CoTiO₃	cobalt(II) titanate	12017-01-5
CoWO₄	cobalt(II) tungstate	12640-47-0
Co₂O₃	cobalt(III) oxide Cobalt(III) oxide Cobalt oxide is the inorganic compound with the formula Co2O3. Although only two oxides of cobalt are well characterized, CoO and Co3O4, procedures claiming to give Co2O3 have been described. Thus treatment of Co salts such as cobalt nitrate with an aqueous solution of sodium hypochlorite gives a...	1308-04-9
Co₂O₃•H₂O	cobalt(III) oxide monohydrate	12016-80-7
CoSO₄	cobalt(II) sulfate Cobalt(II) sulfate Cobalt sulfate is the inorganic compound with the formula CoSO4. It is the divalent cobalt salt of sulfuric acid. The most common form of cobalt sulfate are the hydrates CoSO4.7H2O and CoSO4.H2O...	10124-43-3
Co₂S₃	cobalt(III) sulfide	1332-71-4
Co₂SiO₄	cobalt(II) orthosilicate	12017-08-2
Co₂SnO₄	cobalt(II) stannate	12139-93-4
Co₂TiO₄	cobalt(III) titanate	12017-38-8
Co₃(Fe(CN)₆)₂	cobalt(II) ferricyanide	14049-81-1
CrBr₂	chromium(II) bromide	10049-25-9
CrBr₃	chromium (III) bromide	10031-25-1
CrBr₄	chromium(IV) bromide	23098-84-2
Cr(C₆H₄NO₂)₃	chromium(III) picolinate Chromium(III) picolinate Chromium picolinate is the chemical compound that is sold as a nutritional supplement to prevent or treat chromium deficiency. This bright-red coordination complex is derived from chromium and picolinic acid...	14639-25-9
Cr(CO)₆	chromium(VI) carbonyl Chromium carbonyl Chromium carbonyl, also known as chromium hexacarbonyl, is the chemical compound with the formula Cr6. At room temperature the solid is stable to air, although it does have a high vapor pressure and sublimes readily. Cr6 is zerovalent, meaning that Cr has a formal charge of zero, and it is called...	13007-92-6
CrCl₂	chromium(II) chloride Chromium(II) chloride Chromium chloride is the chemical compound with the formula CrCl2. This white, crystalline solid is used for the synthesis of other chromium complexes. CrCl2 is hygroscopic. It dissolves in water to give bright blue solutions that are easily oxidized by air to give Cr-containing products...	10049-05-5
CrCl₃	chromium(III) chloride Chromium(III) chloride Chromium chloride is a violet coloured solid with the formula CrCl3. The most common form of CrCl3 sold commercially is a dark green hexahydrate with the formula [CrCl24]Cl.2H2O. Two other hydrates are known, pale green [CrCl5]Cl2.H2O and violet [Cr6]Cl3...	10025-73-7
CrCl₄	chromium(IV) chloride Chromium(IV) chloride Chromium chloride, CrCl4 is an unstable chromium compound prepared by combining chromium chloride and chlorine gas at elevated temperatures; it decomposes back to those substances at room temperature....	15597-88-3
CrF₂	chromium(II) fluoride	10049-10-2
CrF₃	chromium(III) fluoride Chromium(III) fluoride Chromium fluoride is the name for the inorganic compounds with the formula CrF3 as well as several related hydrates. The compound CrF3 is a green crystalline solid that is insoluble in common solvents, but the coloured hydrates [Cr6]F3 and [Cr6]F3.3H2O are soluble in water...	7788-97-8
CrF₄	chromium(IV) fluoride	10049-11-3
CrF₅	chromium(V) fluoride	13843-28-2
CrF₆	chromium(VI) fluoride	13843-28-2
CrI₂	chromium(II) iodide	13478-28-9
CrI₃	chromium(III) iodide	13569-75-0
CrI₄	chromium(IV) iodide	23518-77-6
CrN	chromium(III) nitride Chromium(III) nitride Chromium nitride is a chemical compound of chromium and nitrogen with the formula CrN. It is very hard, and is extremely resistant to corrosion. It is an interstitial compound, with nitrogen atoms occupying the octahedral holes in the chromium lattice: as such, it is not strictly a chromium...	12053-27-9
Cr(NO₃)₃	chromium(III) nitrate Chromium nitrate Chromium nitrate describes several inorganic compounds consisting of chromium, nitrate and varying amounts of water. Most common is the dark violet hydrated solid, but an anhydrous green form is also known...	13548-38-4
CrO₂	chromium(IV) oxide Chromium(IV) oxide Chromium dioxide or chromium oxide is a synthetic magnetic substance once widely used in magnetic tape emulsion. With the increasing popularity of CDs and DVDs, the use of chromium oxide has declined. However, it is still used in data tape applications for enterprise-class storage systems...	12018-01-8
CrO₃	chromium(VI) oxide	1333-82-0
CrPO₄	chromium(III) phosphate	7789-04-0
CrSe	chromium(II) selenide	12053-13-3
Cr₂O₃	chromium(III) oxide Chromium(III) oxide Chromium oxide is the inorganic compound of the formula Cr2O3. It is one of principal oxides of chromium and is used as a pigment. In nature, it occurs as the rare mineral eskolaite.-Structure and properties:...	1308-38-9
Cr₂(SO₄)₃	chromium(III) sulfate	10101-53-8
Cr₂S₃	chromium(III) sulfide Chromium(III) sulfide Chromium Sulfide is the sulfide salt of trivalent chromium.-Preparation:It may be formed by the reaction of hydrogen sulfide with chromium oxide or other chromium salts.-Properties:...	12018-22-3
Cr₂Te₃	chromium(III) telluride	12053-39-3
Cr₃C₂	chromium(II) carbide	12012-35-0
Cr₃O₄	chromium(II,III) oxide	12018-34-7
CsBO₂	caesium metaborate	92141-86-1
CsBr	caesium bromide Caesium bromide Caesium bromide, , is an ionic compound of caesium and bromine. It has simple cubic p-type cubic crystallic structure, comparable to that of caesium chloride type with space group Pmm and lattice constant a = 0.42953 nm...	7787-69-1
CsBrO₃	caesium bromate	13454-75-6
CsCN	caesium cyanide	21159-32-0
CsC₂H₃O₂	caesium acetate	3399-17-5
CsCl	caesium chloride Caesium chloride Caesium chloride is the inorganic compound with the formula CsCl. This colorless solid is an important source of caesium ions in a variety of applications. Its crystal structure forms a major structural type where each caesium ion is coordinated by 8 chlorine ions...	7647-17-8
CsClO₃	caesium chlorate	13763-67-2
CsClO₄	caesium perchlorate	13454-84-7
CsF	caesium fluoride Caesium fluoride Caesium fluoride , is an inorganic compound usually encountered as a hygroscopic white solid. It is more soluble and more readily dissociated than sodium fluoride or potassium fluoride. It is available in anhydrous form, and if water has been absorbed it is easy to dry by heating at 100 °C for...	13400-13-0
CsH	caesium hydride Caesium hydride Caesium hydride is a compound of caesium and hydrogen.It was the first substance to be created by light-induced particle formation in metal vapor, and showed promise in early studies of an ion propulsion system using caesium....	58724-12-2
CsI	caesium iodide Caesium iodide Caesium iodide is an ionic compound often used as the input phosphor of an x-ray image intensifier tube found in fluoroscopy equipment....	7789-17-5
CsIO₃	caesium iodate	13454-81-4
CsIO₄	caesium periodate	13478-04-1
CsMnO₄	caesium permanganate	13456-28-5
CsNH₂	caesium amide	22205-57-8
CsNO₂	caesium nitrite	13454-83-6
CsNO₃	caesium nitrate Caesium nitrate Caesium nitrate is a chemical compound with the chemical formula CsNO3. It is used in pyrotechnic compositions, as a colorant and an oxidizer, e.g. in decoys and illumination flares...	7789-18-6
CsN₃	caesium azide	22750-57-8
CsOH	caesium hydroxide Caesium hydroxide Caesium hydroxide is a chemical compound consisting of an atom of caesium and a hydroxide group . It is a powerful base, much like other alkali metal hydroxides such as sodium hydroxide and potassium hydroxide...	21351-79-1
CsO₂	caesium superoxide	12018-61-0
CsVO₃	caesium vanadate	14644-55-4
Cs₂CO₃	caesium carbonate Caesium carbonate Caesium carbonate is a white crystalline solid of formula Cs2CO3. It is more soluble in organic solvents than many other carbonates such as potassium carbonate, and therefore finds use as a base in organic chemistry....	534-17-8
Cs₂C₂O₄	caesium oxalate	1068-63-9
Cs₂CdI₄	caesium tetraiodocadamate	15683-21-3
Cs₂CrO₄	caesium chromate Caesium chromate Caesium chromate, the caesium salt of chromic acid, is used to produce caesium vapour by reaction with silicon, boron, or titanium, which is used to in the final stages of creating vacuum tubes; the caesium vapour reacts with the remaining gases, including nitrogen and oxygen....	56320-90-2
Cs₂MoO₄	caesium molybdate	13597-64-3
Cs₂O	caesium oxide Caesium oxide Caesium oxide or cesium oxide describes inorganic compounds composed of caesium and oxygen. The following binary oxides of caesium are known: Cs11O3, Cs4O, Cs7O, and Cs2O. Both the oxide and suboxides are brightly coloured...	20281-00-9
Cs₂O₂	caesium peroxide	12053-70-2
Cs₂S	caesium sulfide	12214-16-3
Cs₂SO₄	caesium sulfate Caesium sulfate Caesium sulfate is the caesium salt of sulfuric acid. It is used to prepare dense aqueous solutions for use in isopycnic centrifugation.-External links:*...	10294-54-9
Cs₂Se	caesium selenide	31052-46-7
Cs₂Te	caesium telluride	12191-06-9
Cs₂WO₄	caesium tungstate	13587-19-4
Cs₂ZnI₄	caesium tetraiodozincate	15158-68-6
Cu(BF₄)₂	copper(II) tetrafluoroborate Copper(II) tetrafluoroborate Copper tetrafluoroborate is the copper salt of tetrafluoroboric acid which involves copper in its +2 oxidation state bonded to two tetrafluoroborate anions . Tetrafluoroborate adopts a tetrahedral shape, similar to that of methane. The central boron atom has a formal charge of −1, because of...	14735-84-3
Cu(BO₂)₂	copper(II) borate	393290-85-2
CuBr	copper(I) bromide Copper(I) bromide Copper bromide is the chemical compound with the formula CuBr. This diamagnetic solid adopts a polymeric structure akin to that for zinc sulfide. The compound is widely used in the synthesis of organic compounds....	7787-70-4
CuBr₂	copper(II) bromide Copper(II) bromide Copper bromide is a chemical compound. It is used in photographic processing as an intensifier and as a brominating agent in organic synthesis....	7789-45-9
Cu(CHO₂)₂	copper(II) formate	544-19-4
CuCN	copper(I) cyanide Copper(I) cyanide Copper cyanide in an inorganic compound with the formula CuCN. This off-white solid occurs in two polymorphs; impure samples can be green due to the presence of Cu impurities. The compound is useful as a catalyst, in electroplating copper, and as a reagent in the preparation of...	544-92-3
Cu(CN)₂	copper(II) cyanide	14763-77-0
CuC₂	copper(II) acetylide	1117-94-8
CuC₂H₃O₂	copper(I) acetate	598-54-9
Cu(C₂H₃O₂)₂	copper(II) acetate Copper(II) acetate Copper acetate, also referred to as cupric acetate, is the chemical compound with the formula Cu2 where OAc- is acetate . The hydrated derivative, which contains one molecule of water for each Cu atom, is available commercially. Anhydrous Cu2 is a dark green crystalline solid, whereas Cu22 is...	142-71-2
CuC₂O₄	copper(II) oxalate	814-91-5
Cu(C₁₆H₃₅O₂)₂	copper(II) stearate	660-60-6
Cu(C₁₈H₃₃O₂)₂	copper(II) oleate	1120-44-1
CuCl	copper(I) chloride Copper(I) chloride Copper chloride, commonly called cuprous chloride, is the lower chloride of copper, with the formula CuCl. The substance is a white solid sparingly soluble in water, but very soluble in concentrated hydrochloric acid...	7758-89-6
Cu(ClO₄)₂	copper(II) perchlorate	13770-18-8
CuCl₂	copper(II) chloride Copper(II) chloride Copper chloride is the chemical compound with the formula CuCl2. This is a light brown solid, which slowly absorbs moisture to form a blue-green dihydrate. The copper chlorides are some of the most common copper compounds, after copper sulfate....	7447-39-4
CuCl₂•2H₂O	copper(II) chloride dihydrate	10125-13-0
CuCrO₄	copper(II) chromate	13548-42-0
CuF	copper(I) fluoride Copper(I) fluoride Copper fluoride is an inorganic compound with the chemical formula CuF. Its existence is uncertain. It was reported in 1933 to have a sphalerite-type crystal structure. Modern textbooks state that CuF is not known, since fluorine is so electronegative that it will always oxidise copper to its +2...	13478-41-6
CuF₂	copper(II) fluoride Copper(II) fluoride Copper fluoride is an inorganic compound with the chemical formula CuF2. It is a white or green, crystalline, hygroscopic solid. It has a rutile-type crystal structure similar to other fluorides of chemical formulae MF2.-Uses:...	7789-19-7
CuH	copper(I) hydride	13517-00-5
CuHAsO₃	copper(II) arsenite	10290-12-7
CuI	copper(I) iodide Copper(I) iodide Copper iodide is the inorganic compound with the formula CuI. It is also known as cuprous iodide. It is useful in a variety of applications ranging from organic synthesis to cloud seeding....	7681-65-4
CuMoO₄	copper(II) molybdate	13767-34-5
Cu(NO₃)₂	copper(II) nitrate Copper(II) nitrate Copper nitrate is the chemical compound with the formula Cu2. Commonly referred to simply as copper nitrate, the anhydrous form is a blue, crystalline solid...	3251-23-8
CuN₃	copper(I) azide	14336-80-2
Cu(N₃)₂	copper(II) azide Copper(II) azide Copper azide is a medium density explosive with the molecular formula Cu2.-Preparation:Copper azide can be prepared by a metathesis reaction between copper nitrate and sodium azide....	14215-30-6
CuO	copper(II) oxide Copper(II) oxide Copper oxide or cupric oxide is the higher oxide of copper. As a mineral, it is known as tenorite.-Chemistry:It is a black solid with an ionic structure which melts above 1200 °C with some loss of oxygen...	1317-38-0
Cu(OH)₂	copper(II) hydroxide Copper(II) hydroxide Copper hydroxide is the hydroxide of the metal copper with the chemical formula of Cu2. Copper hydroxide is a pale blue, gelatinous solid. Some forms of copper hydroxide are sold as "stabilized" copper hydroxide, quite likely a mixture of copper carbonate and hydroxide...	20427-59-2
CuS	copper(II) sulfide Copper(II) sulfide Copper monosulfide is a chemical compound of copper and sulfur. It occurs in nature as the dark indigo blue mineral covellite. It is a moderate conductor of electricity. A black colloidal precipitate of CuS is formed when hydrogen sulfide, H2S, is bubbled through solutions of Cu salts...	1317-40-4
CuSCN	copper(I) thiocyanate	1111-67-7
CuSO₄	copper(II) sulfate	7758-98-7
CuSe	copper(II) selenide	1317-41-5
CuTe	copper(II) telluride	12019-23-7
CuWO₄	copper(II) tungstate	13587-35-4
Cu₂C₂	copper(I) acetylide Copper(I) acetylide Copper acetylide, or cuprous acetylide, is an inorganic chemical compound with the formula Cu2C2. It is a heat and shock sensitive high explosive, more sensitive than silver acetylide. It is a metal acetylide. It is similar to silver acetylide and calcium carbide, though it is not called carbide in...	1117-94-8
Cu₂Fe(CN)₆	copper(II) ferrocyanide	13601-13-3
Cu₂O	copper(I) oxide Copper(I) oxide Copper oxide or cuprous oxide is the inorganic compound with the formula Cu2O. It is one of the principal oxides of copper. This red-coloured solid is a component of some antifouling paints. The compound can appear either yellow or red, depending on the size of the particles, but both forms...	1317-39-1
Cu₂P₂O₇	copper(II) pyrophosphate	10102-90-6
Cu₂S	copper(I) sulfide Copper(I) sulfide Copper sulfide is a copper sulfide, a chemical compound of copper and sulfur. It has the chemical compound Cu2S. It is found in nature as the mineral chalcocite. It has a narrow range of stoichiometry ranging from Cu1.997S to Cu2.000S....	22205-45-4
Cu₂Se	copper(I) selenide	20405-64-5
Cu₂Te	copper(I) telluride	12019-52-2
Cu₃(AsO₄)₂	copper(II) arsenate Copper(II) arsenate Copper arsenate , also called copper orthoarsenate or tricopper arsenate or tricopper orthoarsenate, is a blue or bluish-green powder insoluble in water and alcohol and soluble in aqueous ammonium and dilute acids. Its CAS number is or .-Uses:Copper arsenate is an insecticide used in agriculture...	10103-61-4

D

Chemical formula	Synonyms	CAS number
DyB₄	dysprosium(II) boride	12310-43-9
DyBr₂	dysprosium(II) bromide	83229-05-4
DyBr₃	dysprosium(III) bromide	14456-48-5
Dy(CHO₂)₃	dysprosium(III) formate	3252-58-2
DyCl₂	dysprosium(II) chloride	13767-31-2
DyCl₃	dysprosium(III) chloride Dysprosium(III) chloride Dysprosium chloride , also known as dysprosium trichloride, is a compound of dysprosium and chlorine. It is a white to yellow solid which rapidly absorbs water on exposure to moist air to form a hexahydrate, DyCl3.6H2O...	10025-74-8
DyF₃	dysprosium(III) fluoride	13569-80-7
DyH₃	dysprosium(III) hydride	13537-09-2
DyI₂	dysprosium(II) iodide	36377-94-3
DyI₃	dysprosium(III) iodide	15474-63-2
DyN	dysprosium(III) nitride	12019-88-4
DySi₂	dysprosium(II) silicide	12133-07-2
Dy₂O₃	dysprosium(III) oxide Dysprosium(III) oxide Dysprosium Oxide is a white, slightly hygroscopic powder having specialized uses in ceramics, glass, phosphors, lasers and dysprosium metal halide lamps.It can react with acids to produce the corresponding dysprosium salts:...	1308-87-8
Dy₂S₃	dysprosium(III) sulfide	12133-10-7

E

Chemical formula	Synonyms	CAS number
ErB₄	erbium(III) boride	12310-44-0
ErBr₃	erbium(III) bromide	13536-73-7
Er(CHO₂)₃	erbium(III) formate	15331-72-3
ErCl₃	erbium(III) chloride Erbium(III) chloride Erbium chloride, the erbium salt of hydrochloric acid, is a violet solid used for the preparation of erbium metal.-Properties:It is also found as a pink crystalline hexahydrate, CAS number [10025-75-9]...	10138-41-7
ErCl₃•6H₂O	erbium(III) chloride hexahydrate	10025-75-9
ErF₃	erbium(III) fluoride	13760-83-3
ErH₃	erbium(III) hydride	13550-53-3
ErI₃	erbium(III) iodide	13813-42-8
ErN	erbium(III) nitride	12020-21-2
ErNbO₄	erbium(III) niobate	12061-00-6
ErS	erbium(II) sulfide	12159-66-9
ErTe	erbium(II) telluride	12020-39-2
ErVO₄	erbium(III) vanadate	13596-17-3
Er₂O₃	erbium(III) oxide Erbium(III) oxide Erbium oxide, a pink solid, is a compound of erbium sometimes used as a colouring for glasses and a dopant for optical fibres and optical amplifiers...	12061-16-4
Er₂(SO₄)₃	erbium(III) sulfate	13478-49-4
Er₂S₃	erbium(III) sulfide	12159-66-9
Er₂Te₃	erbium(III) telluride	12020-39-2
EsBr₂	einsteinium(II) bromide	70292-43-2
EsBr₃	einsteinium(III) bromide	72461-17-7
EsCl₂	einsteinium(II) chloride	66693-95-6
EsCl₃	einsteinium(III) chloride	24645-86-1
EsF₃	einsteinium(III) fluoride	99644-27-6
EsI₂	einsteinium(II) iodide	70292-44-3
EsI₃	einsteinium(III) iodide	99644-28-7
Es₂O₃	einsteinium(III) oxide	37362-94-0
EuBr₂	europium(II) bromide	13780-48-8
EuBr₃	europium(III) bromide	13759-88-1
Eu(CHO₂)₃	europium(III) formate	3252-55-9
EuCl₂	europium(II) chloride	13769-20-5
EuCl₃	europium(III) chloride Europium(III) chloride Europium chloride is a compound of europium and chlorine with the formula EuCl3.-Properties:Europium trichloride is a yellow solid which begins to decompose at or below its melting point to give at least some EuCl2. Being hygroscopic it rapidly absorbs water on exposure to moist air to form a...	10025-76-0
EuF₂	europium(II) fluoride	14077-39-5
EuF₃	europium(III) fluoride	13765-25-8
EuI₂	europium(II) iodide	22015-35-6
EuI₃	europium(III) iodide	13759-90-5
EuN	europium(III) nitride	12020-58-5
Eu(NbO₃)₂	europium(II) niobate	55216-32-5
EuS	europium(II) sulfide Europium(II) sulfide Europium sulfide is the inorganic compound with the chemical formula EuS. It is a black, air-stable powder. Europium possesses an oxidation state of +II in europium sulfide, whereas the lanthanides exhibit a typical oxidation state of +III. Its Curie temperature is 16.6 K...	12020-65-4
EuSe	europium(II) selenide	12020-66-5
EuSi₂	europium(II) silicide	12434-24-1
EuTe	europium(II) telluride	12020-69-8
EuVO₄	europium(II) vanadate	13537-11-6
Eu₂O₃	europium(III) oxide Europium(III) oxide Europium oxide , is a chemical compound of europium and oxygen. It is widely used as a red or blue phosphor in television sets and fluorescent lamps, and as an activator for yttrium-based phosphors. It is also an agent for the manufacture of fluorescent glass. Europium fluorescence is used in the...	1308-96-9
Eu₂(SO₄)₃	europium(III) sulfate	13537-15-0

F

Chemical formula	Synonyms	CAS number
FNO₃	fluorine nitrate Fluorine nitrate Fluorine nitrate is an unstable derivative of nitric acid with the formula . Due to its instability, it is often produced from chlorine nitrate. It decomposes through the reaction below:\rm \ FONO_2 \rightarrow F + ONO_2...	7789-26-6
FOClO₃	fluorine perchlorate Fluorine perchlorate Fluorine perchlorate is the rarely encountered chemical compound of fluorine, chlorine, and oxygen with chemical formula or . It is an extremely unstable gas that explodes spontaneously, and has a penetrating odor.- Synthesis :...	10049-03-3
F₂O	fluorine monoxide	7783-41-7
F₂O₂	fluorine dioxide	7783-44-0
Fe(AlO₂)₂	iron(II) aluminate	12068-49-4
FeAs	iron(III) arsenic	12044-16-5
FeBr₂	iron(II) bromide Iron(II) bromide Iron bromide is the chemical compound FeBr2. This brownish-colored solid is a useful synthetic intermediate; for example it is employed to insert Fe into porphyrins.-Structure:...	7789-46-0
FeBr₃	iron(III) bromide Iron(III) bromide Iron bromide is the chemical compound with the formula FeBr3. Also known as ferric bromide, this red-brown compound is used as a Lewis acid catalyst in the halogenation of aromatic compounds. It reacts with water to give acidic solutions....	10031-26-2
FeCO₃	iron(II) carbonate	563-71-3
Fe(C₂H₃O₂)₂	iron(II) acetate Iron(II) acetate Iron acetate is an off-white or light brown solid ionic compound of iron. It is highly soluble in water and it forms a light green tetrahydrate. Iron acetate is manufactured from scrap iron and acetic acid, and it is used as a mordant by the dye industry.It can also be made by the reaction of...	3094-87-9
FeCl₂	iron(II) chloride Iron(II) chloride Iron chloride, also known as ferrous chloride, is the chemical compound of formula FeCl2. It is a paramagnetic solid with a high melting point, and is usually obtained as an off-white solid. FeCl2 crystallizes from water as the greenish tetrahydrate, which is the form that is most commonly...	7758-94-3
FeCl₂•2H₂O	iron(II) chloride dihydrate	16399-77-2
FeCl₂•4H₂O	iron(II) chloride tetrahydrate	13478-10-9
FeCl₃	iron(III) chloride Iron(III) chloride Iron chloride, also called ferric chloride, is an industrial scale commodity chemical compound, with the formula FeCl3. The colour of iron chloride crystals depends on the viewing angle: by reflected light the crystals appear dark green, but by transmitted light they appear purple-red...	7705-08-0
FeCl₃•6H₂O	iron(III) chloride hexahydrate	10025-77-1
FeCr₂O₄	iron chromite	1308-31-2
FeF₂	iron(II) fluoride Iron(II) fluoride Iron fluoride is a chemical compound with formula FeF2. It is a green crystalline solid that melts at about 1000°C. It is used in ceramics and as a catalyst in some organic reactions....	7789-28-8
FeF₂•4H₂O	iron(II) fluoride tetrahydrate	13940-89-1
FeF₃	iron(III) fluoride Iron(III) fluoride Iron fluoride, also known as ferric fluoride, is an inorganic compound. It exists in an anhydrous form as well as two hydrated forms . It is produced commercially mostly for laboratory work and is not as useful as the related compound iron chloride...	7783-50-8
FeF₃•3H₂O	iron(III) fluoride trihydrate	15469-38-2
Fe(H₂PO₂)₃	iron(III) hypophosphite	7783-84-8
FeI₂	iron(II) iodide	7783-86-0
FeI₃	iron(III) iodide	15600-49-4
FeMoO₄	iron(II) molybdate	13718-70-2
Fe(NO₃)₂	iron(II) nitrate	14013-86-6
FeO	iron(II) oxide Iron(II) oxide Iron oxide, also known as ferrous oxide, is one of the iron oxides. It is a black-colored powder with the chemical formula . It consists of the chemical element iron in the oxidation state of 2 bonded to oxygen. Its mineral form is known as wüstite. Iron oxide should not be confused with rust,...	1345-25-1
Fe(OH)₂	iron(II) hydroxide Iron(II) hydroxide Iron hydroxide or ferrous hydroxide is a compound produced when iron ions, from a compound such as iron sulfate, react with hydroxide ions. Iron hydroxide itself is practically white, but even traces of oxygen impart it with a greenish tinge...	18624-44-7
Fe(OH)₃	iron(III) hydroxide	1309-33-7
FePO₄	iron(III) phosphate Iron(III) phosphate Iron phosphate, also ferric orthophosphate, or ferric phosphate, FePO4, is a phosphate of iron. It is one of the few molluscicides approved for use in the practice of organic farming....	10045-86-0
FeS	iron(II) sulfide Iron(II) sulfide Iron sulfide or ferrous sulfide is a chemical compound with the formula . In practice, iron sulfides are often non-stoichiometric. Powdered iron sulfide is pyrophoric Iron(II) sulfide or ferrous sulfide (Br.E. sulphide) is a chemical compound with the formula . In practice, iron sulfides are...	1317-37-9
FeSO₄	iron(II) sulfate Iron(II) sulfate Iron sulfate or ferrous sulfate is the chemical compound with the formula FeSO4. Known since ancient times as copperas and as green vitriol, the blue-green heptahydrate is the most common form of this material...	7720-78-7
FeSe	iron(II) selenide	1310-32-3
FeTe	iron(II) telluride	12125-63-2
FeTiO₄	iron(II) titanate Iron(II) titanate Iron titanate, also known as iron titanium oxide, is an iron salt of titanic acid, and has the chemical formula of FeTiO3. It is a grey powder that is insoluble in water.-Toxicity:...	12168-52-4
Fe(VO₃)₃	iron(III) metavanadate	65842-03-7
FeWO₄	iron(II) tungstate	13870-24-1
Fe₂(C₂O₄)₃	iron(III) oxalate	19469-07-9
Fe₂(CrO₄)₃	iron(III) chromate Iron(III) chromate Iron chromate is the iron salt of chromic acid with the chemical formula Fe23.-Discovery:Iron chromate was discovered by Samuel Hibbert-Ware in 1817 while visiting Shetland.-Production:...	10294-52-7
Fe₂(Cr₂O₇)₃	iron(III) dichromate	10294-53-8
Fe₂O₃	iron(III) oxide Iron(III) oxide Iron oxide or ferric oxide is the inorganic compound with the formula Fe2O3. It is one of the three main oxides of iron, the other two being iron oxide , which is rare, and iron oxide , which also occurs naturally as the mineral magnetite. As the mineral known as hematite, Fe2O3 is the main...	1309-37-1
Fe₂(SO₄)₃	iron(III) sulfate Iron(III) sulfate Iron sulfate , is the chemical compound with the formula Fe23, the sulfate of trivalent iron. Usually yellow, it is a rhombic crystalline salt and soluble in water at room temperature. It is used in dyeing as a mordant, and as a coagulant for industrial wastes. It is also used in pigments, and in...	10028-22-5
Fe₂SiO₄	iron(II) orthosilicate	10179-73-4
Fe₃O₄	iron(II,III) oxide Iron(II,III) oxide Iron oxide is the chemical compound with formula Fe3O4. It is one of a number of iron oxides, the others being iron oxide , which is rare, and iron oxide also known as hematite. It occurs in nature as the mineral magnetite. It contains both Fe2+ and Fe3+ ions and is sometimes formulated as FeO ∙...	1317-61-9
Fe₃(PO₄)₂	iron(II) phosphate Iron(II) phosphate Iron phosphate, also ferrous phosphate, Fe32, is an iron salt of phosphoric acid. It is used in garden chemicals such as moss killers and slug pellets.-Natural occurrences :...	14940-41-1
Fe₄(Fe(CN)₆)₃	iron(III) ferrocyanide	14038-43-8
Fe₄(P₂O₇)₃	iron(III) pyrophosphate	10058-44-3

G

Chemical formula	Synonyms	CAS number
GaAs	gallium(III) arsenide Gallium(III) arsenide Gallium arsenide is a compound of the elements gallium and arsenic. It is a III/V semiconductor, and is used in the manufacture of devices such as microwave frequency integrated circuits, monolithic microwave integrated circuits, infrared light-emitting diodes, laser diodes, solar cells and...	1303-00-0
GaBr₃	gallium(III) bromide Gallium(III) bromide Gallium bromide is a chemical compound.It may be formed by the reaction of gallium metal or gallium oxide with hydrobromic acid.Another approach is the reaction of gallium with elemental bromine....	13450-88-9
GaCl₂	gallium(II) chloride	24597-12-4
GaCl₃	gallium trichloride Gallium trichloride Gallium trichloride is the chemical compound with the formula GaCl3. Solid gallium trichloride exists as a dimer with the formula Ga2Cl6. It is colourless and soluble in virtually all solvents, which is unusual for a metal halide. It is the main precursor to most derivatives of gallium and a...	13450-90-3
GaF₃	gallium(III) fluoride Gallium(III) fluoride Gallium fluoride is a chemical compound. A white solid it melts above 1000°C but sublimes around 950°C. It has the FeF3 structure where the gallium atoms are 6 coordinate. GaF3 can be prepared by reacting F2 or HF with Ga2O3 or by thermal decomposition of 3GaF6.GaF3 is virtually insoluble in...	7783-51-9
GaF₃•3H₂O	gallium(III) fluoride trihydrate	22886-66-4
GaH₃	gallium(III) hydride	13572-93-5
GaI₃	gallium(III) iodide Gallium(III) iodide Gallium iodide is the chemical compound with the formula Ga2I6. It is the most common iodide of gallium. In the chemical vapor transport method of growing crystals of gallium arsenide uses iodine as the transport agent...	13450-91-4
GaN	gallium(III) nitride Gallium(III) nitride Gallium nitride is a binary III/V direct bandgap semiconductor commonly used in bright light-emitting diodes since the 1990s. The compound is a very hard material that has a Wurtzite crystal structure. Its wide band gap of 3.4 eV affords it special properties for applications in optoelectronic,...	25617-97-4
Ga(NO₃)₃	gallium(III) nitrate	13494-90-1
GaO	gallium(II) oxide	12024-08-7
Ga(OH)₃	gallium(III) hydroxide Gallium(III) hydroxide Gallium hydroxide, Ga3, is the normal mineral form of gallium in the Earth's crust.Gallium hydroxide is very rarely found as a discrete mineral called söhngeite. More commonly, gallium replaces aluminium in ores such as bauxite. Rich sources may contain almost 1% Ga replacing Al, but a more typical...	12023-99-3
GaP	gallium(III) phosphide Gallium(III) phosphide Gallium phosphide , a phosphide of gallium, is a compound semiconductor material with an indirect band gap of 2.26 eV. The polycrystalline material has the appearance of pale orange pieces. Undoped single crystal wafers appear clear orange, but strongly doped wafers appear darker due to...	12063-98-8
GaS	gallium(II) sulfide Gallium(II) sulfide Gallium sulfide, GaS, is a chemical compound of gallium and sulfur. The normal form of gallium sulfide as made from the elements has a hexagonal layer structure containing Ga24+ units which have a Ga-Ga distance of 248pm. This layer structure is similar to GaTe, GaSe and InSe...	12024-10-1
GaSb	gallium(III) antimonide	12064-03-8
GaSe	gallium(II) selenide Gallium(II) selenide Gallium selenide is a chemical compound. It has a hexagonal layer structure, similar to that of GaS. It is a photoconductor, a second harmonic generation crystal in nonlinear optics, and has been used as a far-infrared conversion material at 14-31 THz and above.-Uses:It is said to have potential...	12024-11-2
GaTe	gallium(II) telluride Gallium(II) telluride Gallium telluride, GaTe, is a chemical compound of gallium and tellurium.There is research interest in the structure and electronic properties of GaTe because of the possibility that it, or related compounds, may have applications in the electronics industry...	12024-14-5
Ga₂Cl₄	gallium(I,III) chloride	24597-12-4
Ga₂O	gallium(I) oxide	12024-20-3
Ga₂O₃	gallium(III) oxide Gallium(III) oxide Gallium oxide is a chemical compound used in vacuum deposition and as part of the manufacturing of semiconductor devices.-Preparation:...	12024-21-4
Ga₂S₃	gallium(III) sulfide	12024-22-5
Ga₂(SO₄)₃	gallium(III) sulfate	13494-91-2
Ga₂Se₃	gallium(III) selenide Gallium(III) selenide Gallium selenide is a chemical compound. It has a defect sphalerite structure. It is a p-type semiconductor...	12024-24-7
Ga₂Te₃	gallium(III) telluride Gallium(III) telluride Gallium telluride is a chemical compound classified as a metal telluride. At room temperature gallium telluride is an odorless, black, brittle crystalline solid and is a semiconductor of the III-VI type that crystallizes in a lattice structure.-Synthesis:Gallium telluride is most commonly...	12024-27-0
GdBr₃	gadolinium(III) bromide	13818-75-2
Gd(CHO₂)₃	gadolinium(III) formate	3252-56-0
GdCl₃	gadolinium(III) chloride Gadolinium(III) chloride Gadolinium chloride, also known as gadolinium trichloride, is GdCl3. It is a colorless, hygroscopic, water-soluble solid. The hexahydrate GdCl3∙6H2O is commonly encountered and is sometimes also called gadolinium trichloride. Gd3+ species are of special interest because the ion has the maximum...	10138-52-0
GdCl₃•6H₂O	gadolinium(III) chloride hexahydrate	19423-81-5
GdF₃	gadolinium(III) fluoride	13765-26-9
GdI₂	gadolinium(II) iodide	13814-72-7
GdI₃	gadolinium(III) iodide	13572-98-0
GdN	gadolinium(III) nitride	25764-15-2
GdSe	gadolinium(II) selenide	12024-81-6
GdSi₂	gadolinium(II) silicide	12134-75-7
Gd₂O₃	gadolinium(III) oxide Gadolinium(III) oxide Gadolinium oxide is a inorganic compound with the formula Gd2O3. It is one of the most commonly available forms of the rare earth element gadolinium, derivatives of which are potential contrast agents for magnetic resonance imaging.-Structure:Gadolinium oxide has two most common structures:...	12064-62-9
Gd₂S₃	gadolinium(III) sulfide	12134-77-9
Gd₂Te₃	gadolinium(III) telluride	12160-99-5
GeBr₂	germanium(II) bromide	24415-00-7
GeBr₄	germanium(IV) bromide	13450-92-5
Ge(CH₃O)₄	germanium(IV) methoxide	992-91-6
GeCl₂	germanium(II) chloride	10060-11-4
GeCl₄	germanium(IV) chloride	10038-98-9
GeF₂	germanium(II) fluoride	13940-63-1
GeF₄	germanium(IV) fluoride	7783-58-6
GeH₄	germanium(IV) hydride	7782-65-2
GeI₂	germanium(II) iodide	13573-08-5
GeI₄	germanium(IV) iodide	13450-95-8
GeO	germanium(II) oxide	20619-16-3
GeO₂	germanuim(IV) oxide	1310-53-8
GeS	germanium(II) sulfide	12025-32-0
GeS₂	germanium(IV) sulfide	12025-34-2
GeSe	germanium(II) selenide	12065-10-0
GeSe₂	germanium(IV) selenide	12065-11-1
GeTe	germanium(II) telluride	12025-39-7
Ge₃N₄	germanium(IV) nitride	12065-36-0

H

Chemical formula	Synonyms	CAS number
H₂SO₄	sulfuric acid Sulfuric acid Sulfuric acid is a strong mineral acid with the molecular formula . Its historical name is oil of vitriol. Pure sulfuric acid is a highly corrosive, colorless, viscous liquid. The salts of sulfuric acid are called sulfates...	7664-93-9
HfB₂	hafnium boride	12007-23-7
HfBr₄	hafnium bromide	13777-22-5
HfC	hafnium carbide	12069-85-1
HfCl₄	hafnium chloride	13499-05-3
HfF₄	hafnium fluoride	13709-52-9
HfH₂	hafnium hydride	12770-26-2
HfI₃	hafnium iodide	13779-73-2
HfN	hafnium nitride	25817-87-2
HfO₂	hafnium oxide	12055-23-1
HfP	hafnium phosphide	12325-59-6
Hf(SO₄)₂	hafnium sulfate	15823-43-5
HfS₂	hafnium sulfide	18855-94-2
HfSe₂	hafnium selenide	12162-21-9
HfSiO₄	hafnium orthosilicate	13870-13-8
HfSi₂	hafnium silicide	12401-56-8
HgBr₂	mercury(II) bromide Mercury(II) bromide Mercury bromide or mercuric bromide is the chemical compound composed of mercury and bromine with the formula HgBr2. This white crystalline solid is a laboratory reagent...	7789-47-1
Hg(C₂H₃O₂)₂	mercury(II) acetate Mercury(II) acetate Mercury acetate is the chemical compound with the formula Hg2. Commonly abbreviated Hg2, this compound is employed as a reagent to generate organomercury compounds from unsaturated organic precursors.-Structure:...	1600-27-7
HgCl₂	mercury(II) chloride Mercury(II) chloride Mercury chloride or mercuric chloride , is the chemical compound with the formula HgCl2. This white crystalline solid is a laboratory reagent and a molecular compound. It is no longer used for medicinal purposes Mercury(II) chloride or mercuric chloride (formerly corrosive sublimate), is the...	7487-94-7
HgCl₂O₈	mercury(II) perchlorate	73491-34-6
HgF₂	mercury(II) fluoride Mercury(II) fluoride Mercury fluoride has the molecular formula HgF2....	7783-39-3
HgH₂	mercury(II) hydride	72172-67-9
Hg(IO₃)₂	mercury(II) iodate	7783-32-6
HgI₂	mercury(II) iodide Mercury(II) iodide Mercury iodide is a chemical compound with an appearance of red-orange crystals. Unlike mercury chloride it is hardly soluble in water Mercury(II) iodide (HgI2) is a chemical compound with an appearance of red-orange crystals. Unlike mercury(II) chloride it is hardly soluble in water Mercury(II)...	7774-29-0
Hg(NO₃)₂	mercury(II) nitrate Mercury(II) nitrate Mercury nitrate is a toxic colorless or white soluble crystalline mercury salt of nitric acid. It was also used to treat fur to make felt in a process called 'carroting'. The phrase 'mad as a hatter' is associated with psychological illness brought on by excessive exposure to mercury nitrate...	10045-94-0
HgO	mercury(II) oxide Mercury(II) oxide Mercury oxide, also called mercuric oxide or simply mercury oxide, has a formula of HgO. It has a red or orange color. Mercury oxide is a solid at room temperature and pressure...	21908-53-2
Hg(ONC)₂	mercury(II) fulminate Mercury(II) fulminate Mercury fulminate, or Hg2, is a primary explosive. It is highly sensitive to friction and shock. It is mainly used as a trigger for other explosives in percussion caps and blasting caps...	628-86-4
HgS	mercury(II) sulfide	1344-48-5
Hg(SCN)₂	mercury(II) thiocyanate Mercury(II) thiocyanate Mercury thiocyanate is an inorganic chemical compound, the salt of Hg2+ and the thiocyanate anion. It is a stable solid at room temperature that has the appearance of white powder with chunks; it can also be grey in color, depending on purity. Mercury compounds are extremely toxic and protective...	592-85-8
HgSO₄	mercury(II) sulfate Mercury(II) sulfate Mercury sulfate, commonly called mercuric sulfate is the chemical compound Hg S O4. It is an odorless solid that forms white granules or crystalline powder...	7783-35-9
HgSe	mercury(II) selenide Mercury(II) selenide Mercury selenide is a chemical compound of mercury and selenium. It is a grey-black crystalline solid semi-metal with a sphalerite structure. The lattice constant is 0.608 nm....	20601-83-6
HgTe	mercury(II) telluride Mercury(II) telluride Mercury telluride is a binary chemical compound of mercury and tellurium. It is a semi-metal related to the II-VI group of semiconductor materials. Alternative names are mercuric telluride and mercury telluride....	12068-90-5
Hg₂Br₂	mercury(I) bromide Mercury(I) bromide Mercury bromide or mercurous bromide is the chemical compound composed of mercury and bromine with the formula Hg2Br2. It changes color from white to yellow when heated and fluoresces orange when exposed to ultraviolet light...	15385-58-7
Hg₂Cl₂	mercury(I) chloride Mercury(I) chloride Mercury chloride is the chemical compound with the formula Hg2Cl2. Also known as calomel or mercurous chloride, this dense white or yellowish-white, odorless solid is the principal example of a mercury compound...	10112-91-1
Hg₂F₂	mercury(I) fluoride Mercury(I) fluoride Mercury fluoride or mercurous fluoride is the chemical compound composed of mercury and fluorine with the formula Hg2F2. It consists of small yellow cubic crystals which turn black when exposed to light.-Reactions:...	1396-75-4
Hg₂I₂	mercury(I) iodide Mercury(I) iodide Mercury iodide is a chemical compound of mercury and iodine. The chemical formula is Hg2I2. It is photosensitive and decomposes easily to mercury and HgI2.-Synthesis:Mercury iodide can be prepared by direct combination of mercury and iodine:...	15385-57-6
Hg₂O	mercury(I) oxide Mercury(I) oxide Mercury oxide, also known as mercurous oxide or oxomercury, is an inorganic metal oxide with the chemical formula Hg2O.It is a brown/black powder, insoluble in water, toxic but without taste or smell. It is chemically unstable and converts to mercuric oxide and mercury metal....	15829-53-5
HoBr₃	holmium bromide	13825-76-8
Ho(CHO₂)₃	holmium formate	3252-59-3
HoCl₃	holmium chloride	10138-62-2
HoF₃	holmium fluoride	13760-78-6
HoI₃	holmium iodide	13813-41-7
HoN	holmium nitride	12029-81-1
HoSi₂	holmium silicide	12136-24-2
HoVO₄	holmium vanadate	13977-63-4
Ho₂O₃	holmium oxide	12055-62-8
Ho₂S₃	holmium sulfide	12162-59-3

I

Chemical formula	Synonyms	CAS number
IBr	iodine monobromide Iodine monobromide Iodine monobromide is a dark red interhalogen compound that forms when iodine and bromine are combined.-Synthesis:Iodine monobromide is produced by the simple combination of iodine and bromine in a 1:1 molar ratio, according to the equation...	7789-33-5
ICl	iodine monochloride Iodine monochloride Iodine monochloride is an interhalogen compound with the formula ICl. It is a red-brown compound that melts near room temperature. Because of the difference in the electronegativity of iodine and chlorine, ICl is highly polar and behaves as a source of I+....	7790-99-0
ICl₃	iodine trichloride Iodine trichloride Iodine trichloride is an interhalogen compound of iodine and chlorine. It is bright yellow and in the solid state is present as a planar dimer I2Cl6, Cl2I2ICl2, with two bridging Cl atoms....	865-44-1
IF	iodine monofluoride Iodine monofluoride Iodine monofluoride is an interhalogen compound of iodine and fluorine with formula IF. It is a chocolate-brown solid that decomposes at 0 C, disproportionating to elemental iodine and iodine pentafluoride:...	13873-84-2
IF₃	iodine(III) fluoride	22520-96-3
IF₅	iodine pentafluoride Iodine pentafluoride Iodine pentafluoride is an interhalogen compound with chemical formula IF5. It is a fluoride of iodine. It is a colourless or yellow liquid with a density of 3.250 g cm−3. It was first synthesized by Henri Moissan in 1891 by burning solid iodine in fluorine gas...	7783-66-6
IF₇	iodine heptafluoride Iodine heptafluoride Iodine heptafluoride, also known as iodine fluoride or even iodine fluoride, is an interhalogen compound with chemical formula IF7. It has an unusual pentagonal bipyramidal structure, as predicted by VSEPR theory...	16921-96-3
IN₃	iodine monoazide	14696-82-3
I₂O₄	diiodine tetroxide	12399-08-5
I₂O₅	diiodine pentoxide	12029-98-0
InAs	indium(III) arsenide Indium(III) arsenide Indium arsenide, InAs, or indium monoarsenide, is a semiconductor material, a semiconductor composed of indium and arsenic. It has the appearance of grey cubic crystals with a melting point of 942 °C....	1303-11-3
InBr	indium(I) bromide Indium(I) bromide Indium bromide is a chemical compound of indium and bromine. It is a red crystalline compound that is isostructural with β-TlI and has a distorted rock salt structure. Indium bromide is generally made from the elements, heating indium metal with InBr3. It has been used in the sulfur lamp...	14280-53-6
InBr₂	indium(II) bromide	21264-43-7
InBr₃	indium(III) bromide	13465-09-3
In(C₂H₃O₂)₃	indium(III) acetate	25114-58-3
InCl	indium(I) chloride	13465-10-6
InCl₂	indium(II) chloride	13465-11-7
InCl₃	indium(III) chloride Indium(III) chloride Indium chloride is the chemical compound with the formula InCl3. This colorless salt finds some use in organic synthesis as a Lewis acid. It is also the most available soluble derivative of indium.-Synthesis and structure:...	10025-82-8
InF	indium(I) fluoride	74508-07-9
InF₃	indium(III) fluoride Indium(III) fluoride Indium fluoride or indium trifluoride is the chemical compound composed of indium and fluorine with the formula InF3. It has a rhombohedral crystal structure identical to that of rhodium fluoride....	7783-52-0
InF₃•3H₂O	indium(III) fluoride trihydrate	14166-78-0
InF₃•9H₂O	indium(III) fluoride nonahydrate	7783-52-0
InH	indium(I) hydride	13939-13-4
InI	indium(I) iodide	13465-10-6
InI₃	indium(III) iodide	13510-35-5
InN	indium(III) nitride Indium(III) nitride Indium nitride is a small bandgap semiconductor material which has potential application in solar cells and high speed electronics.The bandgap of InN has now been established as ~0.7 eV depending on temperature ....	25617-98-5
In(OH)₃	indium(III) hydroxide	20661-21-6
InP	indium(III) phosphide Indium(III) phosphide Indium phosphide is a binary semiconductor composed of indium and phosphorus. It has a face-centered cubic crystal structure, identical to that of GaAs and most of the III-V semiconductors....	22398-80-7
InPO₄	indium(III) phosphate	14693-82-4
InS	indium(II) sulfide	12030-14-7
InSb	indium(III) antimonide Indium(III) antimonide Indium antimonide is a crystalline compound made from the elements indium and antimony . It is a narrow-gap semiconductor material from the III-V group used in infrared detectors, including thermal imaging cameras, FLIR systems, infrared homing missile guidance systems, and in infrared astronomy...	1312-41-0
InSe	indium(II) selenide	1312-42-1
InTe	indium(II) telluride	12030-19-2
In₂I₄	indium(I,III) iodide	13779-78-7
In₂O₃	indium(III) oxide Indium(III) oxide Indium oxide is a chemical compound, an amphoteric oxide of indium.-Crystal structure:Amorphous indium oxide is insoluble in water but soluble in acids, whereas crystalline indium oxide is insoluble in both water and acids. The crystalline form exist in two phases, cubic and rhombohedral . Both...	1312-43-2
In₂(SO₄)₃	indium(III) sulfate Indium(III) sulfate Indium sulfate is a chemical compound. It may be formed by the reaction of indium, its oxide, or its carbonate with sulfuric acid....	13464-82-9
In₂S₃	indium(III) sulfide Indium(III) sulfide Indium sulfide is the inorganic compound with the formula In2S3. Three different structures are known: yellow, α-In2S3 has a defect cubic structure, red β-In2S3 has a defect spinel, tetragonal, structure, and γ-In2S3 has a layered structure...	12030-24-9
In₂Se₃	indium(III) selenide Indium(III) selenide Indium selenide is a compound of indium and selenium. It has potential for use in photovoltaic devices and it has been the subject of extensive research. The two most common forms α- and β- have defect wurtzite structures, however there are five known forms The α- β phase transition is...	1312-42-1
In₂Te₃	indium(III) telluride Indium(III) telluride Indium telluride is a chemical compound. It is an intermetallic compound, so it has properties intermediate from a metal alloy and a metal-nonmetal ionic crystal. As so, it has intermediate conductivity and is classified as a semiconductor....	1312-45-4
IrBr₂	iridium(II) bromide	77791-70-9
IrBr₃	iridium(III) bromide	10049-24-8
IrBr₄	iridium(IV) bromide	7789-64-2
IrCl₂	iridium(II) chloride	13465-17-3
IrCl₃	iridium(III) chloride Iridium(III) chloride Iridium chloride is the inorganic compound with the formula IrCl3. This material is relatively rare, but the related hydrate is useful for preparing other iridium compounds. The anhydrous salt is a dark green crystalline solid...	10025-83-9
IrCl₄	iridium(IV) chloride	10025-97-5
IrF₃	iridium(III) fluoride	23370-59-4
IrF₄	iridium(IV) fluoride Iridium(IV) fluoride Iridium fluoride is a chemical compound of iridium and fluorine, with the chemical formula IrF4 and is a dark brown solid. Early reports of IrF4 prior to 1965 are questionable and appear to describe the compound IrF5...	37501-24-9
IrF₅	iridium(V) fluoride Iridium(V) fluoride Iridium fluoride, IrF5, is a chemical compound of iridium and fluorine, first described by Neil Bartlett in 1965. A highly reactive yellow low melting solid, it has a tetrameric structure, Ir4F20, which contains octahedrally coordinated iridium atoms. This structure is shared with RuF5 and OsF5...	14568-19-5
IrF₆	iridium(VI) fluoride Iridium(VI) fluoride Iridium fluoride is a volatile and highly reactive yellow solid, with an octahedral molecular structure . It is one of only a few compounds with iridium in its highest oxidation state, +6...	7783-75-7
IrI₂	iridium(II) iodide	19253-38-4
IrI₃	iridium(III) iodide	7790-41-2
IrI₄	iridium(IV) iodide	7790-45-6
IrO₂	iridium(IV) oxide Iridium(IV) oxide Iridium oxide, IrO2, is the only well characterised oxide of iridium. Its crystal has the TiO2, rutile structure containing six coordinate iridium and three coordinate oxygen....	12030-49-8
IrO₂•2H₂O	iridium(II) oxide dihydrate	30980-84-8
IrS₂	iridium(IV) sulfide	12030-51-2
IrSe₂	iridium(III) selenide	12030-55-6
IrTe₃	iridium(III) telluride	12196-62-2
Ir₂O₃	iridium(III) oxide	12030-49-8
Ir₂S₃	iridium(III) sulfide	12136-42-4

K

Chemical formula	Synonyms	CAS number
KAlF₄	potassium tetrafluoroaluminate	14484-69-6
KAlO₂	potassium aluminate Potassium aluminate Potassium aluminate is an inorganic compound with the formula . It is used as a dyeing and printing mordant, as a paper sizing, as an accelerant in the setting of concrete....	12003-63-3
KBF₄	potassium fluoroborate	14075-53-7
KBr	potassium bromide Potassium bromide Potassium bromide is a salt, widely used as an anticonvulsant and a sedative in the late 19th and early 20th centuries, with over-the-counter use extending to 1975 in the United States. Its action is due to the bromide ion...	7758-02-3
KBrO₃	potassium bromate Potassium bromate Potassium bromate , is a bromate of potassium and takes the form of white crystals or powder.-Uses in baking:Potassium bromate is typically used as a flour improver , strengthening the dough and allowing higher rising. It is an oxidizing agent, and under the right conditions, will be completely...	7758-01-2
KCHF₃O₃S	potassium trifluoromethanesulfonate	2926-27-4
KCHO₂	potassium formate Potassium formate Potassium formate is the potassium salt of formic acid. It is an intermediate in the formate potash process for the production of potassium. Potassium formate has also been studied as a potential environmentally-friendly deicing salt for use on roads....	590-29-4
KCH₃O	potassium methoxide	865-33-8
KCN	potassium cyanide Potassium cyanide Potassium cyanide is an inorganic compound with the formula KCN. This colorless crystalline compound, similar in appearance to sugar, is highly soluble in water. Most KCN is used in gold mining, organic synthesis, and electroplating. Smaller applications include jewelry for chemical gilding and...	151-50-8
KCNO	potassium cyanate Potassium cyanate Potassium cyanate is an inorganic compound with the formula KOCN . It is a colourless solid. It is used to prepare many other compounds including useful herbicide. Worldwide production of the potassium and sodium salts was 20,000 tons in 2006.-Structure and bonding:Cyanate is isoelectronic with...	590-28-3
KC₂HO₄	potassium binoxalate	127-95-7
KC₂H₃O₂	potassium acetate Potassium acetate Potassium acetate is the potassium salt of acetic acid.-Preparation:It can be prepared by reacting a potassium-containing base such as potassium hydroxide or potassium carbonate with acetic acid:...	127-08-2
KC₂H₅O	potassium ethoxide	917-58-8
KC₃H₅O₂	potassium propionate Potassium propionate Potassium propanoate or potassium propionate has formula K. Its melting point is 410 °C. It is the potassium salt of propanoic acid.-Use:...	327-62-8
KC₃H₅S₂O	potassium xanthogenate	140-89-6
KC₃H₇NS₂	potassium dimethyldithiocarbamate	128-03-0
KC₄H₅O₆	potassium bitartrate Potassium bitartrate Potassium hydrogen tartrate, also known as Potassium bitartrate, has formula KC4H5O6, is a byproduct of winemaking. In cooking it is known as cream of tartar. It is the potassium acid salt of tartaric acid, a carboxylic acid.-Occurrence:...	868-14-4
KC₇H₅O₂	potassium benzoate Potassium benzoate Potassium benzoate , the potassium salt of benzoic acid, is a food preservative that inhibits the growth of mold, yeast and some bacteria...	582-25-2
KCl	potassium chloride Potassium chloride The chemical compound potassium chloride is a metal halide salt composed of potassium and chlorine. In its pure state, it is odorless and has a white or colorless vitreous crystal appearance, with a crystal structure that cleaves easily in three directions. Potassium chloride crystals are...	7447-40-7
KClO₃	potassium chlorate Potassium chlorate Potassium chlorate is a compound containing potassium, chlorine and oxygen atoms, with the molecular formula KClO3. In its pure form, it is a white crystalline substance. It is the most common chlorate in industrial use...	3811-04-9
KClO₄	potassium perchlorate Potassium perchlorate Potassium perchlorate is the inorganic salt with the chemical formula KClO4. Like other perchlorates, this salt is a strong oxidizer and potentially reacts with many organic substances...	7778-74-7
KF	potassium fluoride Potassium fluoride Potassium fluoride is the chemical compound with the formula KF. After hydrogen fluoride, KF is the primary source of the fluoride ion for applications in manufacturing and in chemistry. It is an alkali metal halide and occurs naturally as the rare mineral carobbiite...	7789-23-3
KH	potassium hydride Potassium hydride Potassium hydride, KH, is a chemical compound of potassium and hydrogen. It is a hydride of potassium. It reacts with water according to the reaction:...	7693-26-7
KHCO₃	potassium bicarbonate Potassium bicarbonate Potassium bicarbonate , is a colorless, odorless, slightly basic, salty substance...	298-14-6
K(HF₂)	potassium bifluoride Potassium bifluoride Potassium bifluoride is the inorganic compound with the formula KHF2. This colourless salt consists of the potassium cation and the bifluoride anion. The salt is used in etchant for glass...	7789-29-9
KHSO₄	potassium bisulfate	7646-93-7
KH₂PO₄	potassium diphosphate	7778-77-0
KH₄B	potassium borohydride	13762-51-1
KI	potassium iodide Potassium iodide Potassium iodide is an inorganic compound with the chemical formula KI. This white salt is the most commercially significant iodide compound, with approximately 37,000 tons produced in 1985. It is less hygroscopic than sodium iodide, making it easier to work with...	7681-11-0
KIO₃	potassium iodate Potassium iodate Potassium iodate is a chemical compound. It is ionic, made up of K+ ions and IO3- ions in a 1:1 ratio.-Chemical properties:Potassium iodate is an oxidizing agent and as such it can cause fires if in contact with combustible materials or reducing agents...	7758-05-6
KIO₄	potassium periodate Potassium periodate Potassium periodate has formula KIO4.It is slightly soluble in water , giving rise to a solution that is slightly alkaline...	7790-21-8
KMnO₄	potassium permanganate Potassium permanganate Potassium permanganate is an inorganic chemical compound with the formula KMnO4. It is a salt consisting of K+ and MnO4− ions. Formerly known as permanganate of potash or Condy's crystals, it is a strong oxidizing agent. It dissolves in water to give intensely purple solutions, the...	7722-64-7
KNO₂	potassium nitrite Potassium nitrite Potassium nitrite is a salt with chemical formula 2.It is a strong oxidizer and may accelerate the combustion of other materials. Like other nitrite salts such as sodium nitrite, potassium nitrite is toxic if swallowed, and laboratory tests suggest that it may be mutagenic or teratogenic...	7758-09-0
KNO₃	potassium nitrate Potassium nitrate Potassium nitrate is a chemical compound with the formula KNO3. It is an ionic salt of potassium ions K+ and nitrate ions NO3−.It occurs as a mineral niter and is a natural solid source of nitrogen. Its common names include saltpetre , from medieval Latin sal petræ: "stone salt" or possibly "Salt...	7757-79-1
KN₃	potassium azide Potassium azide Potassium azide is the chemical compound having the formula . It is the potassium salt of hydrazoic acid, and crystallizes in a tetragonal structure. Upon heating or irradiation with ultraviolet light, it decomposes into potassium metal and nitrogen gas...	20762-60-1
KNbO₃	potassium niobate	12030-85-2
KOH	potassium hydroxide Potassium hydroxide Potassium hydroxide is an inorganic compound with the formula KOH, commonly called caustic potash.Along with sodium hydroxide , this colorless solid is a prototypical strong base. It has many industrial and niche applications. Most applications exploit its reactivity toward acids and its corrosive...	1310-58-3
KO₂	potassium superoxide Potassium superoxide Potassium superoxide is the chemical compound with the formula KO2. This rare salt of the superoxide ion is produced by burning molten potassium in pure oxygen...	12030-88-5
KPF₆	potassium hexafluorophosphate Potassium hexafluorophosphate Potassium hexafluorophosphate is the chemical compound with the formula KPF6. This colourless salt consists of potassium cations and hexafluorophosphate anions. It is prepared by the reaction: This exothermic reaction is conducted in liquid hydrogen fluoride. The salt is stable in hot alkaline...	17084-13-8
KPO₃	potassium metaphosphate	7790-53-6
KReO₄	potassium perrhenate	10466-65-6
KRuO₄	potassium perruthenate	10378-50-4
KSCN	potassium thiocyanate Potassium thiocyanate Potassium thiocyanate is the chemical compound with the molecular formula KSCN. It is an important salt of the thiocyanate anion, one of the pseudohalides...	333-20-0
KVO₃	potassium metavanadate	13769-43-2
K₂CO₃	potassium carbonate Potassium carbonate Potassium carbonate is a white salt, soluble in water , which forms a strongly alkaline solution. It can be made as the product of potassium hydroxide's absorbent reaction with carbon dioxide. It is deliquescent, often appearing a damp or wet solid...	584-08-7
K₂C₂O₄	potassium oxalate	583-52-8
K₂C₄H₆O₆	potassium tartrate Potassium tartrate Potassium tartrate, dipotassium tartrate or argol has formula K2C4H4O6. It is the potassium salt of tartaric acid. It is often confused with potassium bitartrate, also known as cream of tartar...	921-53-9
K₂C₆H₈O₄	potassium adipate Potassium adipate Potassium adipate is a compound with formula K2C6H8O4. It is the potassium salt of adipic acid.It has E number "E357"....	19147-16-1
K₂CrO₄	potassium chromate Potassium chromate Potassium chromate is a yellow chemical indicator used for identifying concentrations of chloride ions in a salt solution with silver nitrate...	7789-00-6
K₂Cr₂O₇	potassium dichromate	7778-50-9
K₂FeO₄	potassium ferrate Potassium ferrate Potassium ferrate is the chemical compound with the formula K2FeO4. This purple salt is paramagnetic, and is a rare example of an iron compound. In most of its compounds, iron has the oxidation state +2 or +3...	39469-86-8
K₂H₂S₂O₃	potassium thiosulfate	10294-66-3
K₂O	potassium oxide Potassium oxide Potassium oxide is an ionic compound of potassium and oxygen. This pale yellow solid, the simplest oxide of potassium, is a rarely encountered, highly reactive compound...	12136-45-7
K₂O₂	potassium peroxide Potassium peroxide Potassium peroxide is an inorganic compound with the molecular formula K2O2. It is formed as potassium reacts with oxygen in the air, along with potassium oxide and potassium superoxide ....	17014-71-0
K₂PdCl₄	potassium tetrachloropallidate	10025-98-6
K₂RuCl₆	potassium hexachlororuthenate	18746-63-9
K₂S	potassium sulfide Potassium sulfide Potassium sulfide is the inorganic compound with the formula K2S. The colourless solid is rarely encountered, because it reacts readily with water, a reaction that affords potassium bisulfide and potassium hydroxide .-Structure:...	1312-73-8
K₂SO₄	potassium sulfate Potassium sulfate Potassium sulfate is a non-flammable white crystalline salt which is soluble in water...	7778-80-5
K₂S₂O₅	potassium metabisulfite Potassium metabisulfite Potassium metabisulfite, K2S2O5, also known as potassium pyrosulfite, is a white crystalline powder with a pungent sulfur odour. The main use for the chemical is as an antioxidant or chemical sterilant. It is a disulfite and is chemically very similar to sodium metabisulfite, with which it is...	16731-55-8
K₂S₂O₇	potassium pyrosulfate Potassium pyrosulfate Potassium pyrosulfate is a chemical compound, K2S2O7. It contains the pyrosulfate anion S2O72− which has a dichromate like structure and can be visualised as two corner sharing SO4 tetrahedra, with a bridging oxygen atom. A semi-structural formula for pyrosulfate ion is O3SOSO32−...	7790-62-7
K₂S₂O₈	potassium persulfate	7727-21-1
K₂Se	potassium selenide	1312-74-9
K₂SiF₆	potassium hexafluorosilicate	16871-90-2
K₂SiO₄	potassium silicate Potassium silicate Potassium silicate is a water-soluble and glass-forming silicate salt of general formula K2SiO3 with many common uses for at least a century.-Woodwork protection against fire:...	10006-28-7
K₂Te	potassium telluride	12142-40-4
K₂TeO₃	potassium tellurite	15571-91-2
K₂TiF₆	potassium hexafluorotitanate	16919-27-0
K₂ZrF₆	potassium hexafluorozirconate	16923-95-8
K₃AlF₆	potassium hexafluoroaluminate	13775-52-5
K₃(Fe(CN)₆)	potassium ferricyanide Potassium ferricyanide Potassium ferricyanide is the chemical compound with the formula K3[Fe6]. This bright red salt contains the octahedrally coordinated [Fe6]3− ion. It is soluble in water and its solution shows some green-yellow fluorescence.-Preparation:...	13746-66-2
K₃PO₄	potassium phosphate Potassium phosphate Potassium phosphate is a generic term for the salts of potassium and phosphate ions including:* Monopotassium phosphate * Dipotassium phosphate * Tripotassium phosphate...	7778-53-2
K₄P₂O₇	potassium pyrophosphate	7320-34-5
KrF₂	krypton difluoride Krypton difluoride Krypton difluoride, KrF2, was the first compound of krypton discovered. It is a volatile, colourless solid. The structure of the KrF2 molecule is linear, with Kr−F distances of 188.9 pm...	13773-81-4

L

Chemical formula	Synonyms	CAS number
LaAlO₃	lanthanum aluminate	71496-78-1
LaB₆	lanthanum boride	12008-21-8
LaBr₃	lanthanum bromide	13536-79-3
La(CHO₂)₃	lanthanum formate	2081-11-0
LaC₂	lanthanum carbide Lanthanum carbide Lanthanum carbide is a chemical compound. One way in which it is manufactured is through a process of diffusion and evaporation of graphite and lanthanum metal in a DC arc furnace...	12071-15-7
LaCl₃	lanthanum chloride	10099-58-8
LaCl₃•3H₂O	lanthanum chloride trihydrate	35564-84-2
LaCl₃•7H₂O	lanthanum chloride heptahydrate	10025-84-0
LaF₃	lanthanum fluoride	13709-38-1
LaH₃	lanthanum hydride	13864-01-2
LaI₃	lanthanum iodide	13813-22-4
LaN	lanthanum nitride	25764-10-7
LaNbO₄	lanthanum niobate	12031-17-3
LaSi₂	lanthanum silicide	12056-90-5
LaVO₄	lanthanum vanadate	13939-40-7
La₂O₃	lanthanum oxide	1312-81-8
La₂S₃	lanthanum sulfide	12031-49-1
LiAlH₄	lithium tetrahydridoaluminate	16853-85-3
LiAlO₂	lithium aluminate Lithium aluminate Lithium aluminate , also called lithium aluminium oxide, is an inorganic chemical compound, an aluminate of lithium. In microelectronics, lithium aluminate is considered as a lattice matching substrate for gallium nitride...	12003-67-7
LiBF₄	lithium tetrafluoroborate Lithium tetrafluoroborate Lithium tetrafluoroborate is a chemical compound with the formula LiBF4. It can be dissolved in propylene carbonate, dimethoxyethane, and/or gamma-butyrolactone for use as an electrolyte in lithium batteries....	14283-07-9
LiBH₄	lithium borohydride Lithium borohydride Lithium borohydride is a tetrahydroborate and known in organic synthesis as a reducing agent for esters. Although less common than the related sodium borohydride, the lithium salt offers some advantages of being highly soluble in ethers and being a stronger reducing agent but still safer to...	16949-15-8
LiBO₂	lithium metaborate Lithium metaborate Lithium metaborate is a chemical compound.-Uses:Lithium metaborate or Lithium Tetraborate, or a mixture of both, can be used in borate fusion sample preparation of various samples for analysis by XRF, AAS, ICP-OES, ICP-AES and ICP-MS....	13453-69-5
LiBr	lithium bromide Lithium bromide Lithium bromide, or LiBr, is a chemical compound of lithium and bromine. Its extreme hygroscopic character makes LiBr useful as a desiccant in certain air conditioning systems.-Production and properties:...	7550-35-8
LiCHO₂	lithium formate	556-63-8
LiCH₃O	lithium methoxide	865-34-9
LiC₇H₅O₂	lithium benzoate	553-54-8
LiCl	lithium chloride Lithium chloride Lithium chloride is a chemical compound with the formula LiCl. The salt is a typical ionic compound, although the small size of the Li+ ion gives rise to properties not seen for other alkali metal chlorides, such as extraordinary solubility in polar solvents and its hygroscopic...	7447-41-8
LiCl•H₂O	lithium chloride monohydrate	16712-20-2
LiClO₄	lithium perchlorate Lithium perchlorate Lithium perchlorate is the inorganic compound with the formula LiClO4. This white or colourless crystalline salt is noteworthy for its high solubility in many solvents. It exists both in anhydrous form and as a trihydrate.-Uses:...	7791-03-9
LiF	lithium fluoride Lithium fluoride Lithium fluoride is an inorganic compound with the formula LiF. It is the lithium salt of hydrofluoric acid. This white solid is a simple ionic compound. Its structure is analogous to that of sodium chloride, but it is much less soluble in water. It is mainly used as a component of molten...	7789-24-4
LiH	lithium hydride Lithium hydride Lithium hydride is the inorganic compound with the formula LiH. It is a colorless solid, although commercial samples are gray. Characteristic of a salt-like, or ionic, hydride, it has a high melting point and is not soluble in any solvent with which it does not react...	7580-67-8
LiI	lithium iodide Lithium iodide Lithium iodide, or LiI, is a compound of lithium and iodine. When exposed to air, it becomes yellow in color, due to the oxidation of iodide to iodine.-Applications:...	10377-51-2
LiI•3H₂O	lithium iodide trihydrate	7790-22-9
LiN(C₃H₇)₂	lithium diisopropylamide Lithium diisopropylamide Lithium diisopropylamide is the chemical compound with the formula [2CH]2NLi. Generally abbreviated LDA, it is a strong base used in organic chemistry for the deprotonation of weakly acidic compounds. The reagent has been widely accepted because it is soluble in non-polar organic solvents and it...	4111-54-0
LiNH₂	lithium amide Lithium amide Lithium amide is an inorganic compound with the chemical formula Li+NH2-, i.e. it is composed of a lithium cation, and the conjugate base of ammonia. It is a white solid with a tetragonal crystal structure.-Lithium amides:...	7782-89-0
LiNO₃	lithium nitrate Lithium nitrate Lithium nitrate is an inorganic compound with the formula LiNO3. It is the lithium salt of nitric acid. It is made by reacting lithium carbonate or lithium hydroxide with nitric acid.-Uses:...	7790-69-4
LiN₃	lithium azide Lithium azide Lithium azide is the lithium salt of hydrazoic acid. It is an unstable and toxic compound that decomposes into lithium and nitrogen when heated.-Preparation:It can be prepared by metathesis reaction between sodium azide and lithium nitrate:...	19597-69-4
LiNbO₃	lithium niobate Lithium niobate Lithium niobate is a compound of niobium, lithium, and oxygen. Its single crystals are an important material for optical waveguides, mobile phones, optical modulators and various other linear and non-linear optical applications.-Properties:...	12031-63-9
LiOH	lithium hydroxide Lithium hydroxide Lithium hydroxide is an inorganic compound with the formula LiOH. It is a white hygroscopic crystalline material. It is soluble in water and slightly soluble in ethanol...	1310-65-2
LiO₂	lithium superoxide	12136-56-0
LiPF₆	lithium hexafluorophosphate Lithium hexafluorophosphate Lithium hexafluorophosphate is an inorganic compound with the formula LiPF6. This white crystalline powder is used in commercial secondary batteries, an application that exploits its high solubility in nonpolar solvents. Specifically, solutions of lithium hexafluorophosphate in propylene carbonate...	21324-40-3
LiPH₂O₄	lithium dihydrogenphosphate	13453-80-0
LiReO₄	lithium perrhenate	13768-48-4
LiTaO₃	lithium tantalate Lithium tantalate Lithium tantalate , is a crystalline solid which possesses unique optical, piezoelectric and pyroelectric properties which make it valuable for nonlinear optics, passive infrared sensors such as motion detectors, terahertz generation and detection, surface acoustic wave applications, cell phones...	12031-66-2
LiVO₃	lithium metavanadate	15060-59-0
Li₂B₄O₇	lithium borate	12007-60-2
Li₂CO₃	lithium carbonate Lithium carbonate Lithium carbonate is a chemical compound of lithium, carbon, and oxygen with the formula Li2CO3. This colorless salt is widely used in the processing of metal oxides and has received attention for its use in psychiatry. It is found in nature as the rare mineral zabuyelite.-Properties:Like almost...	554-13-2
Li₂MoO₄	lithium molybdate Lithium molybdate Lithium molybdate is a chemical compound. It is mainly used as an inhibitor in some types of industrial air conditioning.-Uses:Lithium molybdate is used as corrosion inhibitor in LiBr absorption chiller for industrial central air conditioning. It is manufactured and shipped as either a...	13568-40-6
Li₂O	lithium oxide Lithium oxide Lithium oxide or lithia is an inorganic chemical compound. Lithium oxide is formed along with small amounts of lithium peroxide when lithium metal is burned in the air and combines with oxygen:Pure can be produced by the thermal decomposition of lithium peroxide, at 450°C-Structure:In the solid...	12057-24-8
Li₂O₂	lithium peroxide Lithium peroxide Lithium peroxide is the inorganic compound with the formula Li2O2. This solid was deployed to remove CO2 from the atmosphere in the vehicles used in Apollo mission.-Preparation:...	12031-80-0
Li₂S	lithium sulfide Lithium sulfide Lithium sulfide is the inorganic compound with the formula Li2S. It crystallizes in the antifluorite motif, described as the salt 2S2–. It forms a solid yellow-white deliquescent powder. In air, it easily hydrolyses to release hydrogen sulfide .- Preparation :Lithium sulfide is prepared by...	12136-58-2
Li₂SO₄	lithium sulfate Lithium sulfate Lithium sulfate is a white inorganic salt with the formula Li2SO4. It is the lithium salt of sulfuric acid.-Properties:Lithium sulfate is soluble in water, though it does not follow the usual trend of solubility versus temperature — its solubility in water decreases with increasing temperature, as...	10377-48-7
Li₂Se	lithium selenide	12136-60-6
Li₂SiO₃	lithium metasilicate	10102-24-6
Li₂Te	lithium telluride	12136-59-3
Li₂TiO₃	lithium titanate Lithium titanate Lithium titanate is a compound containing lithium and titanium. It is an off-white powder at room temperature and has the chemical formula Li2TiO3....	12031-82-2
Li₂ZrO₃	lithium zirconate	51222-70-9
Li₃AlF₆	lithium hexafluoroaluminate	13821-20-0
Li₃AsO₄	lithium arsenate	13478-14-3
Li₃C₆H₅O₇	lithium citrate Lithium citrate Lithium citrate is a chemical compound of lithium and citrate that is used as a mood stabilizer in psychiatric treatment of manic states and bipolar disorder. For the medical aspects of lithium citrate, see lithium pharmacology....	919-16-4
Li₃ClO₄	lithium perchlorate Lithium perchlorate Lithium perchlorate is the inorganic compound with the formula LiClO4. This white or colourless crystalline salt is noteworthy for its high solubility in many solvents. It exists both in anhydrous form and as a trihydrate.-Uses:...	7791-03-9
Li₃N	lithium nitride Lithium nitride Lithium nitride is a compound of lithium and nitrogen with the formula Li3N. It is the only stable alkali metal nitride...	26134-62-3
Li₃PO₄	lithium phosphate	10377-52-3
Li₃Sb	lithium antimonide	12057-30-6
LuB₄	lutetium boride	12688-52-7
LuBr₃	lutetium bromide	14456-53-2
LuCl₃	lutetium chloride	10099-66-8
LuF₃	lutetium fluoride	13760-81-1
LuI₃	lutetium iodide	13813-45-1
LuN	lutetium nitride	12125-25-6
Lu(NO₃)₃	lutetium nitrate	36549-50-5
Lu₂O₃	lutetium oxide	12032-20-1
Lu₂S₃	lutetium sulfide	12163-20-1
Lu₂Te₃	letetium telluride	12163-22-3

M

Chemical formula	Synonyms	CAS number
MgBr₂	magnesium bromide Magnesium bromide Magnesium bromide is a chemical compound of magnesium and bromine that is white and deliquescent. It is often used as a mild sedative and as an anticonvulsant for treatment of nervous disorders. It is water soluble and somewhat soluble in alcohol...	7789-48-2
MgBr₂•6H₂O	magnesium bromide hexahydrate	13446-53-2
MgCO₃	magnesium carbonate Magnesium carbonate Magnesium carbonate, MgCO3, is a white solid that occurs in nature as a mineral. Several hydrated and basic forms of magnesium carbonate also exist as minerals...	546-93-0
Mg(C₂H₂O₂)₂	magnesium succinate	556-32-1
MgC₃H₉O₆P	magnesium glycerophosphate	927-20-8
MgC₃₆H₇₀O₄	magnesium stearate Magnesium stearate Magnesium stearate, also called octadecanoic acid, magnesium salt, is a white substance which is solid at room temperature. It has the chemical formula . It is a salt containing two equivalents of stearate and one magnesium cation...	557-04-0
Mg(ClO₄)₂	magnesium perchlorate Magnesium perchlorate Magnesium perchlorate is a powerful oxidizing agent, with the formula Mg2.Magnesium perchlorate decomposes at 250 °C. The heat of formation is -568.90 kJ mol-1....	10034-81-8
MgCl₂	magnesium chloride Magnesium chloride Magnesium chloride is the name for the chemical compounds with the formulas MgCl2 and its various hydrates MgCl2x. These salts are typical ionic halides, being highly soluble in water. The hydrated magnesium chloride can be extracted from brine or sea water...	7786-30-3
MgF₂	magnesium fluoride Magnesium fluoride Magnesium fluoride is an inorganic compound with the formula MgF2. The compound is a white crystalline salt and is transparent over a wide range of wavelengths, with commercial uses in optics.-Production and structure:...	7783-40-6
MgH₂	magnesium hydride Magnesium hydride Magnesium hydride is the chemical compound MgH2. It contains 7.66% by weight of hydrogen and has been studied as a potential hydrogen storage medium.- Preparation :...	7693-27-8
MgI₂	magnesium iodide Magnesium iodide Magnesium iodide is the name for the chemical compounds with the formulas MgI2 and its various hydrates MgI2x. These salts are typical ionic halides, being highly soluble in water...	10377-58-9
Mg(NO₃)₂	magnesium nitrate Magnesium nitrate Magnesium nitrate is a hygroscopic salt with the formula Mg2. In air, it quickly forms the hexahydrate with the formula Mg2·6H2O . It is very soluble in both water and ethanol.-Uses:...	10377-60-3
MgO	magnesium oxide Magnesium oxide Magnesium oxide , or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium . It has an empirical formula of and consists of a lattice of Mg2+ ions and O2– ions held together by ionic bonds...	1309-48-4
Mg(OH)₂	magnesium hydroxide Magnesium hydroxide Magnesium hydroxide is an inorganic compound with the chemical formula Mg2. As a suspension in water, it is often called milk of magnesia because of its milk-like appearance. The solid mineral form of magnesium hydroxide is known as brucite....	1309-42-8
MgO₂	magnesium peroxide Magnesium peroxide Magnesium peroxide is a fine powder peroxide with a white to off-white color. It is similar to calcium peroxide because magnesium peroxide also releases oxygen by breaking down at a controlled rate with a hydrous fluid...	1335-26-8
MgS	magnesium sulfide Magnesium sulfide Magnesium sulfide is an inorganic compound with the formula MgS. It is a white crystalline material but often is encountered in an impure form that is brown and non-crystalline powder. It is generated industrially in the production of metallic iron....	12032-36-9
MgSO₄	magnesium sulfate Magnesium sulfate Magnesium sulfate is a chemical compound containing magnesium, sulfur and oxygen, with the formula MgSO4. It is often encountered as the heptahydrate epsomite , commonly called Epsom salt, from the town of Epsom in Surrey, England, where the salt was distilled from the springs that arise where the...	7487-88-9
MgSe	magnesium selenide	1313-04-8
MgSiO₃	magnesium silicite	14654-06-9
Mg(TcO₄)₂	magnesium technetate	71683-38-0
MgTe	magnesium telluride	12032-44-9
MgTiO₃	magnesium titanate	12032-30-3
Mg₂Si	magnesium silicide Magnesium silicide Magnesium silicide, Mg2Si, is an inorganic compound consisting of magnesium and silicon. As a powder magnesium silicide is dark blue or slightly purple in color. Silicon dioxide, SiO2, found in sand and glass, when heated with magnesium forms magnesium oxide, and, if an excess of magnesium is...	22831-39-6
Mg₃(AsO₄)₂	magnesium arsenate	10103-50-1
Mg₃N₂	magnesium nitride Magnesium nitride Magnesium nitride, which has the chemical formula Mg3N2, is an inorganic compound of magnesium and nitrogen. At room temperature and pressure it is a greenish yellow powder.-Chemistry:...	12057-71-5
Mg₃Sb₂	magnesium antimonide	12057-75-9
MnBr₂	manganese(II) bromide Manganese(II) bromide Manganese bromide is the chemical compound composed of manganese and bromine with the formula MnBr2.It can be used in place of palladium in the Stille reaction, which couples two carbon atoms using an organotin compound....	13446-03-2
Mn(C₂H₃O₂)₂	manganese(II) acetate Manganese(II) acetate Manganese acetate is the chemical compound with the formula Mn2. It is used as a desiccant, a catalyst, and as fertilizer.-Reactions:...	638-38-0
MnCO₃	manganese(II) carbonate Manganese(II) carbonate Manganese carbonate is a compound with the chemical formula MnCO3. Manganese carbonate occurs naturally as the mineral rhodochrosite. Approximately 20,000 metric tonnes were produced in 2005.-Production and uses:...	598-62-9
MnCl₂	manganese(II) chloride Manganese(II) chloride Manganese chloride describes a series of compounds with the formula MnCl2x, where the value of x can be 0, 2, or 4. The tetrahydrate is the most common form of "manganese chloride". MnCl2·4H2O, but the anhydrous form and dihydrate MnCl2·2H2O are also known...	7773-01-5
MnCl₂•4H₂O	manganese(II) chloride tetrahydrate	13446-34-9
MnCl₃	manganese(III) chloride	14690-66-5
MnF₂	manganese(II) fluoride Manganese(II) fluoride Manganese fluoride is the chemical compound composed of manganese and fluoride with the formula MnF2. It is a light pink crystalline solid, the light pink color being characteristic for manganese compounds. It is made by treating manganese and diverse compounds of manganese in hydrofluoric acid. ...	7782-64-1
MnF₃	manganese(III) fluoride	7783-53-1
MnF₄	manganese(IV) fluoride Manganese(IV) fluoride Manganese fluoride is the inorganic compound with the formula MnF3. This red/purplish solid is useful for converting hydrocarbons into fluorocarbons, i.e., it is a fluorination agent...	15195-58-1
MnI₂	manganese(II) iodide Manganese(II) iodide Manganese iodide is the chemical compound composed of manganese and iodine with the formula MnI2.It can be used as a pink pigment or as a source of the manganese ion or iodide ion. It is often used in the lighting industry....	7790-33-2
MnI₂•4H₂O	manganese(II) iodide tetrahydrate	98716-23-5
Mn(NO₃)₂	manganese(II) nitrate Manganese(II) nitrate Manganese nitrate is an inorganic compound with formula Mn2. Each formula unit is composed of one Mn2+ cation and two NO3- anions and varying amounts of water. Most common is the tetrahydrate Mn2·4H2O, but mono- and hexahydrates are also known as well as the anhydrous compound...	10377-66-9
MnO	manganese(II) oxide Manganese(II) oxide Manganese oxide is the inorganic compound with formula MnO. MnO is a basic oxide that is insoluble in water but dissolves in acids, forming manganese salts.-Preparation and occurrence:...	1344-43-0
MnO₂	manganese(IV) oxide Manganese(IV) oxide Manganese oxide is the inorganic compound with the formula . This blackish or brown solid occurs naturally as the mineral pyrolusite, which is the main ore of manganese and a component of manganese nodules. The principal use for MnO2 is for dry-cell batteries, such as the alkaline battery and the...	1313-13-9
MnS	manganese(II) sulfide Manganese(II) sulfide Manganese sulfide is a chemical compound of manganese and sulfur. It occurs in nature as the mineral alabandite.-Synthesis:Manganese sulfide can be prepared by reacting a manganese salt with ammonium sulfide:...	18820-29-6
MnSO₄	manganese(II) sulfate Manganese(II) sulfate Manganese sulfate usually refers to the inorganic compound with the formula MnSO4. This pale pink deliquescent solid is a commercially significant manganese salt. Approximately 260 thousand tonnes of manganese sulfate were produced worldwide in 2005. It is the precursor to manganese metal and...	10034-96-5
MnSb	manganese(III) antimonide	12032-82-5
MnSe	manganese(II) selenide	1313-22-0
MnSe₂	manganese(IV) selenide Manganese(IV) selenide Manganese diselenide is the inorganic compound with the formula MnSe2. This rarely encountered solid is structurally similar to that of iron pyrite . Analogous to the description of iron pyrite, manganese diselenide is sometimes viewed as being composed of Mn2+ and Se22- ions, although being a...	12299-98-8
MnTe	manganese(II) telluride	12032-88-1
MnTe₂	manganese(IV) telluride	12032-89-2
Mn₂O₃	manganese(III) oxide Manganese(III) oxide Manganese oxide is the chemical compound of formula Mn2O3.-Preparation and chemistry:Heating MnO2 in air at below 800°C α-Mn2O3 is produced . γ-Mn2O3 can be produced by oxidation followed by dehydration of manganese hydroxide...	1317-34-6
Mn₂O₇	manganese(VII) oxide Manganese(VII) oxide Manganese oxide is an inorganic compound with the formula Mn2O7. This volatile liquid is highly reactive and more often discussed than intentionally prepared. It is a dangerous oxidizer and was first described in 1860.- Properties :...	12057-92-0
Mn₃O₄	manganese(II,III) oxide Manganese(II,III) oxide Manganese oxide is the chemical compound with formula Mn3O4. Manganese is present in two oxidation states +2 and +3 and the formula is sometimes written as MnO.Mn2O3. Mn3O4 is found in nature as the mineral hausmannite.-Preparation:...	1317-35-7
Mn₃(PO₄)₂	manganese(II) phosphate	14154-09-7
MoBr₂	molybdenum(II) bromide	13446-56-5
MoBr₃	molybdenum(III) bromide	13446-57-6
MoBr₄	molybdenum(IV) bromide	13520-59-7
MoC₆O₆	molydenum(III) hexacarbonyl	13939-06-5
MoCl₂	molybdenum(II) chloride Molybdenum(II) chloride Molybdenum dichloride describes chemical compounds with the empirical formula MoCl2. At least two forms are known, and both have attracted much attention from academic researchers because of the unexpected structures seen for these compounds and the fact that they give rise to hundreds of...	13478-17-6
MoCl₃	molybdenum(III) chloride	13478-18-7
MoCl₄	molybdenum(IV) chloride	13478-18-7
MoCl₅	molybdenum(V) chloride Molybdenum(V) chloride Molybdenum chloride is the inorganic compound with the formula [MoCl5]2. This dark volatile solid is an important starting reagent in the preparation of molybdenum compounds. In the solid state molybdenum pentachloride exists as a dimer with the formula Mo2Cl10, with a structure similar to that...	10241-05-1
MoCl₆	molybdenum(VI) chloride	13706-19-9
MoF₃	molybdenum(III) fluoride	20193-58-2
MoF₄	molybdenum(IV) fluoride	23412-45-5
MoF₅	molybdenum(V) fluoride	13819-84-6
MoF₆	molybdenum(VI) fluoride	7783-77-9
MoI₂	molybdenum(II) iodide	14055-74-4
MoI₃	molybdenum(III) iodide	14055-75-5
MoI₄	molybdenum(IV) iodide	14055-76-6
MoN	molybdenum(III) nitride	12033-19-1
MoO	molybdenum(II) oxide	12058-07-0
MoO₂	molybdenum(IV) oxide	18868-43-4
MoO₃	molybdenum(VI) oxide Molybdenum(VI) oxide Molybdenum trioxide is chemical compound with the formula MoO3. This compound is produced on the largest scale of any molybdenum compound. It occurs as the rare mineral molybdite...	1313-27-5
MoS₂	molybdenum(IV) sulfide	1317-33-5
MoSe₂	molybdenum(IV) selenide	12058-18-3
MoSi₂	molybdenum(IV) silicide Molybdenum(IV) silicide Molybdenum disilicide , an intermetallic compound, a silicide of molybdenum, is a refractory ceramic with primary use in heating elements. It has moderate density, melting point 2030 °C, and is electrically conductive. At high temperatures it forms a passivation layer of silicon dioxide,...	12136-78-6
MoTe₂	molybdenum(IV) telluride	12058-20-7
Mo₂O₃	molybdenum(III) oxide	1313-29-7
Mo₂O₅	molybdenum(V) oxide	12163-73-4
Mo₂S₃	molybdenum(III) sulfide	12033-33-9

N

Chemical formula	Synonyms	CAS number
NBr₃	nitrogen tribromide Nitrogen tribromide Nitrogen tribromide is a chemical compound with the formula NBr3. It is extremely explosive in its pure form, even at −100°C, and was not isolated until 1975...	15162-90-0
NCl₃	nitrogen trichloride Nitrogen trichloride Nitrogen trichloride, also known as trichloramine, is the chemical compound with the formula NCl3. This yellow, oily, pungent-smelling liquid is most commonly encountered as a byproduct of chemical reactions between ammonia-derivatives and chlorine .In pure form, NCl3 is highly reactive...	10025-85-1
NF₃	nitrogen trifluoride Nitrogen trifluoride Nitrogen trifluoride is the inorganic compound with the formula NF3. This nitrogen-fluorine compound is a colorless, toxic, odourless, nonflammable gas. It finds increasing use as an etchant in microelectronics.-Applications:...	7783-54-2
NH₃	ammonia Ammonia Ammonia is a compound of nitrogen and hydrogen with the formula . It is a colourless gas with a characteristic pungent odour. Ammonia contributes significantly to the nutritional needs of terrestrial organisms by serving as a precursor to food and fertilizers. Ammonia, either directly or...	7664-41-7
NH₄Cl	ammonium chloride Ammonium chloride Ammonium chloride NH4Cl is an inorganic compound with the formula NH4Cl. It is a white crystalline salt that is highly soluble in water. Solutions of ammonium chloride are mildly acidic. Sal ammoniac is a name of natural, mineralogical form of ammonium chloride...	12125-02-9
NH₄HCO₃	ammonium bicarbonate Ammonium bicarbonate Ammonium bicarbonate, a compound with formulaNH4, also called bicarbonate of ammonia, ammonium hydrogen carbonate, hartshorn, AmBic or powdered baking ammonia, is the bicarbonate salt of ammonia....	1066-33-7
NH₄NO₃	ammonium nitrate	6484-52-2
(NH₄)₂SO₄	ammonium sulfate Ammonium sulfate Ammonium sulfate , 2SO4, is an inorganic salt with a number of commercial uses. The most common use is as a soil fertilizer. It contains 21% nitrogen as ammonium cations, and 24% sulfur as sulfate anions...	7783-20-2
NI₃	nitrogen triiodide Nitrogen triiodide Nitrogen triiodide is the inorganic compound with the formula NI3. It is an extremely sensitive contact explosive: small quantities explode with a gunpowder-like snap when touched even lightly, releasing a purple cloud of iodine vapor...	13444-85-4
NO	nitrogen monoxide	10102-43-9
NO₂	nitrogen dioxide Nitrogen dioxide Nitrogen dioxide is the chemical compound with the formula it is one of several nitrogen oxides. is an intermediate in the industrial synthesis of nitric acid, millions of tons of which are produced each year. This reddish-brown toxic gas has a characteristic sharp, biting odor and is a prominent...	10102-44-0
N₂F₂	dinitrogen difluoride	13812-43-6
N₂F₄	dinitrogen tetrafluoride	10036-47-2
N₂O	dinitrogen monoxide	10024-97-2
N₂O₃	dinitrogen trioxide Dinitrogen trioxide Dinitrogen trioxide is the chemical compound with the formula N2O3. This deep blue liquid is one of binary nitrogen oxides. It forms upon mixing equal parts of nitric oxide and nitrogen dioxide and cooling the mixture below −21 °C :Dinitrogen trioxide is only isolable at low...	10544-73-7
N₂O₄	dinitrogen tetroxide Dinitrogen tetroxide Dinitrogen tetroxide is the chemical compound N2O4. It is a useful reagent in chemical synthesis. It forms an equilibrium mixture with nitrogen dioxide; some call this mixture dinitrogen tetroxide, while some call it nitrogen dioxide.Dinitrogen tetroxide is a powerful oxidizer, making it highly...	10544-72-6
N₂O₅	dinitrogen pentoxide Dinitrogen pentoxide Dinitrogen pentoxide is the chemical compound with the formula N2O5. Also known as nitrogen pentoxide, N2O5 is one of the binary nitrogen oxides, a family of compounds that only contain nitrogen and oxygen...	10102-03-1
NaAlCl₄	sodium tetracholoraluminate	7784-16-9
NaAlF₄	sodium tetrafluoroaluminate	13821-15-3
NaAlO₂	sodium aluminate Sodium aluminate Sodium aluminate is an important commercial inorganic chemical. It works as an effective source of aluminium hydroxide for many industrial and technical applications. Pure sodium aluminate is a white crystalline solid having a formula variously given as NaAlO2, NaAl4 , Na2O·Al2O3, or Na2Al2O4...	1302-42-7
NaAsO₂	sodium arsenite Sodium arsenite Sodium arsenite is a compound with formula NaAsO2. It is the sodium salt of arsenous acid. It is a crystalline solid consisting of sodium cations, Na+, and catena-arsenite anions, [AsO2], which are infinite -O-As- chains, similar in structure to selenium dioxide, SeO2.It is a pesticide....	7784-46-5
NaB(C₆H₅)₄	sodium tetraphenylborate Sodium tetraphenylborate Sodium tetraphenylborate is the organic compound with the formula NaB4. It is a salt, wherein the anion consists of four phenyl rings bonded to boron. This colourless crystalline solid is used to prepare other tetraphenylborate salts, which are often highly soluble in organic solvents...	143-66-8
NaBF₄	sodium borofluoride	13755-29-8
NaBH₃CN	sodium cyanoborohydride Sodium cyanoborohydride Sodium cyanoborohydride is the inorganic compound with the formula NaBH3. This colourless salt is widely used in organic synthesis for the reduction of imines.-Preparation and use:...	25895-60-7
NaBH₄	sodium borohydride Sodium borohydride Sodium borohydride, also known as sodium tetrahydridoborate, is an inorganic compound with the formula NaBH4. This white solid, usually encountered as a powder, is a versatile reducing agent that finds wide application in chemistry, both in the laboratory and on a technical scale. Large amounts are...	16940-66-2
NaBiO₃	sodium bismuthate Sodium bismuthate Sodium bismuthate, also known as sodium bismuth oxide, is a slightly hygroscopic chemical compound with the chemical formula of NaBiO3.Sodium bismuthate is an oxidizer. It is not soluble in cold water, but decomposes when placed in hot water....	12232-99-4
NaBr	sodium bromide Sodium bromide Sodium bromide is an inorganic compound with the formula NaBr. It is a high-melting white, crystalline solid that resembles sodium chloride. It is a widely used source of the bromide ion and has many applications.-Synthesis, structure, reactions:...	7647-15-6
NaBrO₃	sodium bromate Sodium bromate Sodium bromate, the inorganic compound with the chemical formula of NaBrO3, is the sodium salt of bromic acid. It is a strong oxidant, mainly used in continuous or batch dyeing processes involving sulfur or vat dyes and as a hair-permagent, chemical agent, or gold solvent in gold mines when used...	7789-38-0
NaCN	sodium cyanide Sodium cyanide Sodium cyanide is an inorganic compound with the formula NaCN. This highly toxic colorless salt is used mainly in gold mining but has other niche applications...	143-33-9
NaCNO	sodium cyanate	917-61-3
NaCHO₂	sodium formate Sodium formate Sodium formate, HCOONa, is the sodium salt of formic acid, HCOOH. It usually appears as a white deliquescent powder.-Uses:Sodium formate is used in several fabric dyeing and printing processes...	141-53-7
NaCH₃O	sodium methoxide Sodium methoxide Sodium methoxide is a chemical compound, with formula CH3ONa. This colourless solid, which is formed by the deprotonation of methanol, is a widely used reagent in industry and the laboratory...	124-41-4
NaCH₃SO₃	sodium formaldehydesulfoxylate	149-44-0
NaC₂H₃FO₂	sodium monofluoroacetate	62-74-8
NaC₂H₃O₂	sodium acetate Sodium acetate Sodium acetate, CH3COONa, also abbreviated NaOAc, also sodium ethanoate, is the sodium salt of acetic acid. This colourless salt has a wide range of uses.-Industrial:...	127-09-3
NaC₂H₃SO₃	sodium ethenesulfonate	3039-83-6
NaC₂H₅O	sodium ethoxide Sodium ethoxide Sodium ethoxide is an alkoxide salt with the chemical formula C2H5ONa.-Preparation:It is commercially available as a white solid, or as a solution in ethanol. It is easily prepared in the laboratory by reacting sodium metal with ethanol:...	141-52-6
NaC₃H₃O₂	sodium acrylate	7446-81-3
NaC₃H₅O₂	sodium propionate Sodium propionate Sodium propanoate or sodium propionate is the sodium salt of propionic acid which has the chemical formula Na.-Uses:It is used as a food preservative and is represented by the food labeling E number E281 in Europe; it is used primarily as a mold inhibitor in bakery products...	137-40-6
NaC₃H₅O₃	sodium lactate Sodium lactate Sodium lactate is the sodium salt of lactic acid produced by fermentation of a sugar source, such as corn or beets, and then neutralizing the resulting lactic acid to create a compound having the formula NaC3H5O3. As a food additive, sodium lactate has the E number E325 and naturally is a liquid...	312-85-6
NaC₃H₆NO₃	sodium hydromethylglycinate	70161-44-3
NaC₄H₇O₄	sodium diacetate Sodium diacetate Sodium diacetate is a compound with formula . It is a 1:1 mixture of sodium acetate and acetic acid but is also described as the sodium acid salt of acetic acid.It has E number "E262"....	126-96-5
NaC₆H₆SO₃	sodium benzosulfonate	515-42-4
NaC₇H₅O₂	sodium benzoate Sodium benzoate Sodium benzoate has the chemical formula NaC6H5CO2; it is a widely used food preservative, with E number E211. It is the sodium salt of benzoic acid and exists in this form when dissolved in water. It can be produced by reacting sodium hydroxide with benzoic acid.-Uses:Sodium benzoate is a...	532-32-1
NaC₇H₈SO₃	sodium tosylate	657-84-1
NaC₈H₇O₂	sodium phenylacetate	114-70-5
NaC₈H₉SO₃	sodium xylenesulfonate	1300-72-7
NaC₈H₁₅O₂	sodium caprylate	1984-06-1
NaC₁₈H₃₆O₂	sodium stearate Sodium stearate Sodium stearate, or sodium octadecanoate, is the sodium salt of stearic acid. It is the major component of some types of soap, especially those made from animal fat. It is found in many types of solid deodorants, rubbers, latex paints, and inks. It is also a component of some food additives and...	822-16-2
NaCl	sodium chloride Sodium chloride Sodium chloride, also known as salt, common salt, table salt or halite, is an inorganic compound with the formula NaCl. Sodium chloride is the salt most responsible for the salinity of the ocean and of the extracellular fluid of many multicellular organisms...	7647-14-5
NaClO	sodium hypochlorite	7681-52-9
NaClO₂	sodium chlorite Sodium chlorite Sodium chlorite is a chemical compound used in the manufacture of paper.-Use:The main application of sodium chlorite is the generation of chlorine dioxide for bleaching and stripping of textiles, pulp, and paper. It is also used for disinfection of a few municipal water treatment plants after...	7758-19-2
NaClO₃	sodium chlorate Sodium chlorate Sodium chlorate is a chemical compound with the chemical formula . When pure, it is a white crystalline powder that is readily soluble in water. It is hygroscopic. It decomposes above 250 °C to release oxygen and leave sodium chloride...	7775-09-9
NaClO₄	sodium perchlorate Sodium perchlorate Sodium perchlorate is the inorganic compound with the chemical formula NaClO4. It is the most soluble of the common perchlorate salts. It is a white crystalline, hygroscopic solid that is highly soluble in water and in alcohol...	7601-89-0
NaF	sodium fluoride Sodium fluoride Sodium fluoride is an inorganic chemical compound with the formula NaF. A colorless solid, it is a source of the fluoride ion in diverse applications. Sodium fluoride is less expensive and less hygroscopic than the related salt potassium fluoride....	7681-49-4
NaH	sodium hydride Sodium hydride Sodium hydride is the chemical compound with the empirical formula NaH. It is primarily used as a strong base in organic synthesis. NaH is representative of the saline hydrides, meaning it is a salt-like hydride, composed of Na+ and H− ions, in contrast to the more molecular hydrides such as...	7646-69-7
NaHCO₃	sodium bicarbonate Sodium bicarbonate Sodium bicarbonate or sodium hydrogen carbonate is the chemical compound with the formula Na HCO3. Sodium bicarbonate is a white solid that is crystalline but often appears as a fine powder. It has a slightly salty, alkaline taste resembling that of washing soda . The natural mineral form is...	144-55-8
NaHF₂	sodium bifluoride	1333-83-1
NaHS	sodium bisulfide	16721-80-5
NaHSO₃	sodium bisulfite Sodium bisulfite Sodium bisulfite is a chemical compound with the chemical formula NaHSO3. Sodium bisulfite is a food additive with E number E222. This salt of bisulfite can be prepared by bubbling sulfur dioxide in a solution of sodium carbonate in water...	7631-90-5
NaI	sodium iodide Sodium iodide Sodium iodide is a white, crystalline salt with chemical formula NaI used in radiation detection, treatment of iodine deficiency, and as a reactant in the Finkelstein reaction.-Uses:Sodium iodide is commonly used to treat and prevent iodine deficiency....	7681-82-5
NaIO₃	sodium iodate Sodium iodate Sodium iodate is the sodium salt of iodic acid. Sodium iodate is an oxidizing agent and as such it can cause fires upon contact with combustible materials or reducing agents.-Preparation:...	7681-55-2
NaIO₄	sodium periodate Sodium periodate Sodium periodate is the sodium salt of periodic acid. It can refer to two different chemical compounds, sodium metaperiodate , which has the formula NaIO4, and sodium orthoperiodate , which has the formula Na2H3IO6...	7790-28-5
NaNH₂	sodium amide Sodium amide Sodium amide, commonly called sodamide, is the chemical compound with the formula NaNH2. This solid, which is dangerously reactive toward water, is white when pure, but commercial samples are typically gray due to the presence of small quantities of metallic iron from the manufacturing process...	7782-92-5
NaNO₂	sodium nitrite Sodium nitrite Sodium nitrite is the inorganic compound with the chemical formula NaNO2. It is a white to slight yellowish crystalline powder that is very soluble in water and is hygroscopic...	7632-00-0
NaNO₃	sodium nitrate Sodium nitrate Sodium nitrate is the chemical compound with the formula NaNO3. This salt, also known as Chile saltpeter or Peru saltpeter to distinguish it from ordinary saltpeter, potassium nitrate, is a white solid which is very soluble in water...	7631-99-4
NaN₃	sodium azide Sodium azide Sodium azide is the inorganic compound with the formula NaN3. This colourless azide salt is the gas-forming component in many car airbag systems. It is used for the preparation of other azide compounds. It is an ionic substance and is highly soluble in water. It is extremely...	26628-22-8
NaNbO₃	sodium niobate	12034-09-2
NaOH	sodium hydroxide	1310-73-2
NaO₂	sodium superoxide Sodium superoxide Sodium superoxide is the inorganic compound with the formula NaO2. This yellow-orange solid is a salt of the superoxide anion. It is an intermediate in the oxidation of sodium by oxygen....	12034-12-7
NaPF₆	sodium hexafluorophosphate Sodium hexafluorophosphate Sodium hexafluorophosphate is an inorganic compound with the chemical formula NaPF6....	21324-39-0
NaPO₃	sodium polyphosphate	50813-16-6
(NaPO₃)₆	sodium hexametaphosphate Sodium hexametaphosphate Sodium hexametaphosphate is a hexamer of composition 6. Sodium hexametaphosphate of commerce is typically a mixture of polymeric metaphosphates, of which the hexamer is one, and is usually the compound referred to by this name. It is more correctly termed sodium polymetaphosphate. It is prepared...	10124-56-8
NaReO₄	sodium perrhenate Sodium perrhenate Sodium perrhenate is a white crystalline solid. It is a commonly available precursor for rhenium compounds....	13472-33-8
NaSCN	sodium thiocyanate Sodium thiocyanate Sodium thiocyanate is the chemical compound with the formula NaSCN. This colorless deliquescent salt is one of the main sources of the thiocyanate anion. As such, it is used as a precursor for the synthesis of pharmaceuticals and other specialty chemicals...	540-72-7
NaSbO₃	sodium antimonate	15432-85-6
NaVO₃	sodium metavanadate Sodium metavanadate Sodium metavanadate is a yellow solid which is soluble in water. Its use is limited to its hygroscopic property. Its natural forms include mineral metamunirite and a dihydrate, munirite. Both are very rare, metamunirite is now known only from V- and U-bearing sandstone formations of...	13718-26-8
Na₂CO₃	sodium carbonate Sodium carbonate Sodium carbonate , Na2CO3 is a sodium salt of carbonic acid. It most commonly occurs as a crystalline heptahydrate, which readily effloresces to form a white powder, the monohydrate. Sodium carbonate is domestically well-known for its everyday use as a water softener. It can be extracted from the...	497-19-8
Na₂C₃H₂O₄	sodium malonate	141-95-7
Na₂C₄H₆O₆	sodium tartrate Sodium tartrate Sodium tartrate is used as an emulsifier and a binding agent in food products such as jellies, margarine, and sausage casings. As a food additive, it is known by the E number E335....	6106-24-7
Na₂C₆H₈O₄	sodium adipate Sodium adipate Sodium adipate is a compound with formula Na2C6H8O4. It is the sodium salt of adipic acid.It has E number "E356"....	7486-38-6
Na₂CrO₄	sodium chromate Sodium chromate Sodium chromate is a yellow solid chemical compound used as a corrosion inhibitor in the petroleum industry, a dyeing auxiliary in the textile industry, as a wood preservative, and as a diagnostic pharmaceutical in determining red blood cell volume....	7775-11-3
Na₂FPO₃	sodium fluorophosphate	10163-15-2
Na₂H₂S₂O₆	sodium dithionate Sodium dithionate For the sterilizing agent, see sodium metabisulfite. For the reducing agent, see sodium dithionite.Sodium dithionate Na2S2O6 is an important compound for inorganic chemistry. It is also known under names disodium dithionate, sodium hyposulfate, and sodium metabisulfate...	7631-94-9
Na₂MoO₄	sodium molybdate Sodium molybdate Sodium molybdate, Na2MoO4, is useful as a source of molybdenum. It is often found as the dihydrate, Na2MoO4·2H2O.The molybdate anion is tetrahedral. Two sodium cations coordinate with every one anion.-History:...	7631-95-0
Na₂O	sodium oxide Sodium oxide Sodium oxide is a chemical compound with the formula Na2O. It is used in ceramics and glasses, though not in a raw form. Treatment with water affords sodium hydroxide....	1313-59-3
Na₂O₂	sodium peroxide Sodium peroxide Sodium peroxide is the inorganic compound with the formula Na2O2. This solid is the product when sodium is burned with oxygen. It is a strong base and a potent oxidizing agent. It exists in several hydrates and peroxyhydrates including Na2O2·2H2O2·4H2O, Na2O2·2H2O, Na2O2·2H2O2, and...	1313-60-6
Na₂S	sodium sulfide Sodium sulfide Sodium sulfide is the name used to refer to the chemical compound Na2S, but more commonly it refers to the hydrate Na2S·9H2O. Both are colorless water-soluble salts that give strongly alkaline solutions...	1313-82-2
Na₂S•5H₂O	sodium sulfide pentahydrate	1313-83-3
Na₂S•9H₂O	sodium sulfide nonahydrate	1313-84-4
Na₂SO₃	sodium sulfite Sodium sulfite Sodium sulfite is a soluble sodium salt of sulfurous acid. It is a product of sulfur dioxide scrubbing, a part of the flue gas desulfurization process...	7757-83-7
Na₂SO₄	sodium sulfate Sodium sulfate Sodium sulfate is the sodium salt of sulfuric acid. When anhydrous, it is a white crystalline solid of formula Na2SO4 known as the mineral thenardite; the decahydrate Na2SO4·10H2O has been known as Glauber's salt or, historically, sal mirabilis since the 17th century. Another solid is the...	7757-82-6
Na₂S₂O₃	sodium thiosulfate Sodium thiosulfate Sodium thiosulfate , also spelled sodium thiosulphate, is a colorless crystalline compound that is more familiar as the pentahydrate, Na2S2O3•5H2O, an efflorescent, monoclinic crystalline substance also called sodium hyposulfite or “hypo.”...	7772-98-7
Na₂S₂O₄	sodium dithionite Sodium dithionite Sodium dithionite is a white crystalline powder with a weak sulfurous odor. It is a sodium salt of dithionous acid. Although it is stable under most conditions, it will decompose in hot water and in acid solutions...	7775-14-6
Na₂S₂O₅	sodium metabisulfite Sodium metabisulfite Sodium metabisulfite or sodium pyrosulfite is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to as disodium...	7681-57-4
Na₂S₂O₇	sodium pyrosulfate Sodium pyrosulfate Sodium pyrosulfate is a salt of sodium and pyrosulfate, obtained by the dehydration of sodium bisulfate. This is an intermediate stage in the preparation of sulfur trioxide....
Na₂S₂O₈	sodium persulfate Sodium persulfate Sodium persulfate is a chemical compound. It is a strong oxidizer. It is a severe irritant of skin, eyes, and respiratory system. It is almost non-hygroscopic and has particularly good ability to be stored for long time. It is easy and safe to handle...	7775-27-1
Na₂Se	sodium selenide Sodium selenide Sodium selenide is a inorganic compound of sodium and selenium with the chemical formula Na2Se. This colourless solid is prepared by the reaction of selenium with a solution of sodium in ammonia....	1313-85-5
Na₂SeO₃	sodium selenite Sodium selenite Sodium selenite is a salt, a colourless solid, and the most common water-soluble selenium compound. It has the formulas Na2SeO3 and Na2SeO35 . Respectively, these are the anhydrous salt and its pentahydrate. This hydrated salt is the more common one...	10102-18-8
Na₂SeO₄	sodium selenate Sodium selenate Sodium selenate is the sodium salt of selenic acid and is used as a mineral supplement....	13410-01-0
Na₂SiF₆	sodium fluorosilicate Sodium fluorosilicate Sodium fluorosilicate is a compound with formula Na2SiF6....	16893-85-9
Na₂SiO₃	sodium silicate Sodium silicate Sodium silicate is the common name for a compound sodium metasilicate, Na2SiO3, also known as water glass or liquid glass. It is available in aqueous solution and in solid form and is used in cements, passive fire protection, refractories, textile and lumber processing, and automobiles...	6834-92-0
Na₂SnO₃	sodium stannate	12058-66-1
Na₂Te	sodium telluride Sodium telluride Sodium telluride is the chemical compound with the formula Na2Te. This salt is the conjugate base of the thermally unstable acid hydrogen telluride, but it is usually prepared by reduction of tellurium with sodium. Na2Te is a challenging material to handle because it is very sensitive to air...	12034-41-2
Na₂Ti₃O₇	sodium metatitanate Sodium metatitanate Sodium metatitanate is a chemical compound with the chemical formula Na2Ti3O7....	12034-36-5
Na₂WO₄	sodium tungstate Sodium tungstate Sodium tungstate, Na2WO4, a tungstate of sodium, is useful as a source of tungsten. It is prepared from tungsten ores used to manufacture tungsten by reducing it....	13472-45-2
Na₃AlF₆	sodium hexafluoroaluminate Sodium hexafluoroaluminate Sodium hexafluoroaluminate is the inorganic compound with the formula Na3AlF6. This colourless solid, which occurs naturally as the mineral cryolite, is used extensively in the industrial production of aluminium.-History:...	13775-53-6
Na₃Co(NO₂)₆	sodium cobaltnitrite	14649-73-1
Na₃PO₄	sodium phosphate	7601-54-9
Na₃Sb	sodium antimonide	12058-86-5
Na₃SbS₄	sodium thioantimonide	13776-84-6
Na₃VO₄	sodium vanadate Sodium orthovanadate Sodium orthovanadate is the chemical compound Na3VO4 and contains the tetrahedral VO43−. It is an inhibitor of protein tyrosine phosphatases, alkaline phosphatases and a number of ATPases, most likely acting as a phosphate analogue...	13721-39-6
Na₄C₄H₄O₆	sodium tartrate Sodium tartrate Sodium tartrate is used as an emulsifier and a binding agent in food products such as jellies, margarine, and sausage casings. As a food additive, it is known by the E number E335....	868-18-8
Na₄FeC₆N₆	sodium ferrocyanide Sodium ferrocyanide Sodium ferrocyanide is the sodium salt of the coordination compound of formula [Fe6]4-. It is a yellow crystalline solid that is soluble in water and insoluble in alcohol. Despite the presence of the cyanide ligands, sodium ferrocyanide is not especially toxic because the cyanides are tightly...	13601-19-9
Na₄P₂O₇	sodium pyrophosphate Sodium pyrophosphate Tetrasodium pyrophosphate, also called sodium pyrophosphate, tetrasodium phosphate or TSPP, is a colorless transparent crystalline chemical compound with the formula Na4P2O7. It contains the pyrophosphate ion and sodium cation. Toxicity is approximately twice that of table salt when ingested...	7722-88-5
Na₄SiO₄	sodium orthosilicate	1344-09-8
Na₅P₃O₁₀	sodium tripolyphosphate Sodium tripolyphosphate Sodium triphosphate is an inorganic compound with formula Na5P3O10. It is the sodium salt of the polyphosphate penta-anion, which is the conjugate base of triphosphoric acid. It is produced on a large scale as a component of many domestic and industrial products, especially detergents...	7758-29-4
NbBr₃	niobium(III) bromide	15752-41-7
NbBr₄	niobium(IV) bromide	13842-75-6
NbBr₅	niobium(V) bromide Niobium(V) bromide Niobium bromide is the inorganic compound with the formula Nb2Br10. It is a diamagnetic, orange solid that hydrolyses readily. The compound adopts an edge-shared bioctahedral structure, which means that two NbBr5 units are joined by a pair of bromide bridges. The pentachloride and pentaiodides...	13478-45-0
NbC	niobium(IV) carbide	12069-94-2
NbCl₃	niobium(III) chloride	13569-59-0
NbCl₄	niobium(IV) chloride Niobium(IV) chloride Niobium chloride, also known as niobium tetrachloride, is the chemical compound of formula NbCl4. This compound exists as dark violet crystals, is highly sensitive to air and moisture, and disproportiates into niobium chloride and niobium chloride when heated.-Structure and properties:In the solid...	13569-70-5
NbCl₅	niobium(V) chloride Niobium(V) chloride Niobium chloride, also known as niobium pentachloride, is a yellow crystalline solid. It hydrolyzes in air, and samples are often contaminated with small amounts of NbOCl3. It is often used as a precursor to other compounds of niobium...	10026-12-7
NbF₃	niobium(III) fluoride	15195-53-6
NbF₄	niobium(IV) fluoride Niobium(IV) fluoride Niobium fluoride is a chemical compound with the formula NbF4; it is a nonvolatile black solid. It absorbs vapor strongly. It turns into NbO2F in moist air. NbF4 reacts with water strongly to form brown solution and brown precipitate whose components are unknown. It is stable between 275℃ and 325℃...	13842-88-1
(NbF₅)₄	niobium(V) fluoride Niobium(V) fluoride Niobium fluoride, also known as niobium pentafluoride, is a colorless crystalline solid often used as a starting material in niobium chemistry.-Preparation:...	7783-68-8
NbI₃	niobium(III) iodide	13870-20-7
NbI₄	niobium(IV) iodide	13870-21-8
NbI₅	niobium(V) iodide	13779-92-5
NbN	niobium(III) nitride	24621-21-4
NbO	niobium(II) oxide	12034-57-0
NbO₂	niobium(IV) oxide	12034-59-2
NbS₂	niobium(IV) sulfide	12136-97-9
NbSe₂	niobium(IV) selenide	12034-77-4
NbSe₃	niobium(VI) selenide	12034-78-5
NbTe₂	niobium(IV) telluride	12034-83-2
Nb₂O₅	niobium(V) oxide	1313-96-8
NdBr₂	neodymium(II) bromide	59325-04-1
NdBr₃	neodymium(III) bromide	13536-80-6
Nd(CHO₂)₃	neodymium(III) formate	3252-53-7
NdCl₂	neodymium(II) chloride	25469-93-6
NdCl₃	neodymium(III) chloride Neodymium(III) chloride Neodymium chloride or neodymium trichloride is a chemical compound of neodymium and chlorine with the formula NdCl3. This anhydrous compound is a mauve-colored solid that rapidly absorbs water on exposure to air to form a purple-colored hexahydrate, NdCl3·6H2O. Neodymium chloride is produced from...	10024-93-8
NdF₃	neodymium(III) fluoride	13709-42-7
NdGaO₃	neodymium(III) gallate	12207-22-6
NdI₂	neodymium(II) iodide	61393-36-0
NdI₃	neodymium(III) iodide	13813-24-6
NdN	neodymium(III) nitride	25764-11-8
Nd(NO₃)₃	neodumium(III) nitrate	10045-95-1
NdS	neodymium(II) sulfide	12035-22-2
NdSe	neodymium(II) selenide	12035-24-4
NdTe	neodymium(II) telluride	12060-53-6
NdVO₄	neodymium(III) vanadate	13721-46-5
Nd₂O₃	neodymium(III) oxide Neodymium(III) oxide Neodymium oxide or neodymium sesquioxide is the chemical compound composed of neodymium and oxygen with the formula Nd2O3. It forms very light grayish blue hexagonal crystals...	1313-97-9
Nd₂S₃	neodymium(III) sulfide	12035-32-4
Nd₂Te₃	neodymium(III) telluride	12035-35-7
NiAs	nickel(II) arsenide	27016-75-7
Ni(BF₄)₂	nickel(II) fluoborate	14708-14-6
NiBr₂	nickel(II) bromide Nickel(II) bromide Nickel bromide, NiBr2, is the nickel salt of hydrobromic acid. It can be made by reacting nickel, nickel oxide, nickel carbonate, or nickel hydroxide with hydrobromic acid. It can also be made by reacting nickel with bromine. It is a weak reducing agent.It is yellow-brown, rhombohedral,...	13462-88-9
Ni(CN)₂	nickel(II) cyanide	557-19-7
NiCO₃	nickel(II) carbonate Nickel(II) carbonate Nickel carbonate describes one or a mixture of inorganic compounds containing nickel and carbonate. From the industrial perspective, the most important nickel carbonate is basic nickel carbonate with the formula Ni4CO364. Simpler carbonates, ones more likely encountered in the laboratory, are NiCO3...	3333-67-3
Ni(CO)₄	nickel(II) carbonyl	13463-39-3
Ni(C₂H₃O₂)₂	nickel(II) acetate Nickel(II) acetate Nickel acetate is an inorganic compound of nickel and acetic acid. This inorganic compound is usually found as the tetrahydrate. It is used for electroplating.It can be made by reacting nickel with Acetic acid or with nickel carbonate....	373-02-4
NiCl₂	nickel(II) chloride Nickel(II) chloride Nickel chloride , is the chemical compound NiCl2. The anhydrous salt is yellow, but the more familiar hydrate NiCl2·6H2O is green. It is very rarely found in nature as mineral nickelbischofite. A dihydrate is also known. In general nickel chloride, in various forms, is the most important source of...	7718-54-9
NiCl₂•6H₂O	nickel(II) chloride hexahydrate	7791-20-0
NiCrO₄	nickel(II) chromate	14721-18-7
NiF₂	nickel(II) fluoride Nickel(II) fluoride Nickel fluoride is the chemical compound with the formula NiF2. Unlike many fluorides, NiF2 is stable in air. NiF2 comprises the passivating surface that forms on nickel alloys, e.g. monel, which is why such materials are good to store or transport hydrogen fluoride or elemental fluorine...	10028-18-9
NiI₂	nickel(II) iodide	13462-90-3
Ni(NO₃)₂	nickel(II) nitrate Nickel(II) nitrate Nickel nitrate is the chemical compound Ni2 or any hydrate thereof. The anhydrous form is not commonly encountered, thus "nickel nitrate" usually refers to nickel nitrate hexahydrate. The formula for this species is written in two ways. Ni2.6H2O and, more descriptively [Ni6]2...	13138-45-9
NiO	nickel(II) oxide Nickel(II) oxide Nickel oxide is the chemical compound with the formula NiO. It is notable as being the only well characterized oxide of nickel . The mineralogical form of NiO, bunsenite, is very rare. It is classified as a basic metal oxide...	1313-99-1
Ni(OH)₂	nickel(II) hydroxide Nickel(II) hydroxide Nickel hydroxide Ni2 is an insoluble compound commonly used in rechargeable battery electrodes. When charged these electrodes form nickel oxide-hydroxide. Nickel hydroxide is a precipitate formed when the hexaaquanickel ion is mixed with aqueous alkali...	12054-48-7
NiS	nickel(II) sulfide	16812-54-7
NiSO₄	nickel(II) sulfate Nickel(II) sulfate Nickel sulfate, or just nickel sulfate, usually refers to the inorganic compound with the formula NiSO46. This highly soluble blue-coloured salt is a common source of the Ni2+ ion for electroplating. Nickel sulfate is paramagnetic....	7786-81-4
NiSb	nickel(II) antimonide	12035-52-8
NiSe	nickel(II) selenide	1314-05-2
NiSnO₃	nickel(II) stannate	12035-38-0
NiTe	nickel(II) telluride	12142-88-0
NiTiO₃	nickel(II) titanate	12035-39-1
NiWO₄	nickel(II) tungstate	14177-51-6
NiZrO₃	nickel(II) zirconate	70692-93-2
Ni₂B	nickel(III) boride	12007-01-1
Ni₂O₃	nickel(III) oxide Nickel(III) oxide Nickel oxide has been referred to in the literature but is not a well characterised compound. The substance black nickel oxide is sometimes described as being Ni2O3 however the composition quoted by suppliers has a nickel content of around 77% by weight whereas Ni2O3 would have 70.98% Ni by...	1314-06-3
Ni_{3_B}	nickel(II) boride	12007-02-2
Ni₃S₂	nickel(III) sulfide	12035-72-2
NpBr₃	neptunium(III) bromide	20730-39-6
NpBr₄	neptunium(IV) bromide	15608-32-9
NpCl₃	neptunium(III) chloride	20737-06-8
NpCl₄	neptunium(IV) chloride	15597-84-9
NpF₃	neptunium(III) fluoride	16852-37-2
NpF₄	neptunium(IV) fluoride	14529-88-5
NpF₅	neptunium(V) fluoride	31479-18-2
NpF₆	neptunium(VI) fluoride	14521-05-2
NpI₃	neptunium(III) iodide	37501-52-3
NpN	neptunium(III) nitride	12058-90-1
NpO	neptunium(II) oxide	12202-03-8
NpO₂	neptunium(IV) oxide Neptunium(IV) oxide Neptunium oxide or neptunium dioxide is the chemical compound composed of neptunium and oxygen with the formula NpO2. It forms dark olive green cubic crystals.- Uses :...	12035-79-9
Np₂O₅	neptunium(V) oxide	121433-01-0
Np₂S₃	neptunium(III) sulfide	12281-24-2

O

Chemical formula	Synonyms	CAS number
OF₂	oxygen(II) fluoride	7783-41-7
O₂F₂	oxygen(I) fluoride	7783-44-0
OsBr₃	osmium(III) bromide	59201-51-3
OsBr₄	osmium(IV) bromide	59201-52-4
Os(C₅H₅)₂	osmium(II) cyclopentadienide	1273-81-0
OsCl₃	osmium(III) chloride	13444-93-4
OsCl₃•3H₂O	osmium(III) chloride trihydrate	114268-63-2
OsCl₄	osmium(IV) chloride Osmium(IV) chloride Osmium chloride or osmium tetrachloride is the inorganic compound composed of osmium and chlorine with the empirical formula OsCl4. It exists in two polymorphs...	10026-01-4
OsCl₅	osmium(V) chloride	71328-74-0
OsF₄	osmium(IV) fluoride	54120-05-7
(OsF₅)₄	osmium(V) fluoride	31576-40-6
OsF₆	osmium(VI) fluoride	13768-38-2
OsF₇	osmium(VII) fluoride	16949-69-2
OsF₈	osmium(VIII) fluoride	18432-81-0
OsI	osmium(I) iodide	76758-38-8
OsI₂	osmium(II) iodide	59201-57-9
OsI₃	osmium(III) iodide	59201-58-0
OsO₂	osmium(IV) oxide	12036-02-1
OsO₄	osmium(VI) oxide	20816-12-0
OsS₂	osmium(IV) sulfide	12137-61-0
OsSe₂	osmium(IV) selenide	12310-19-9
OsTe₂	osmium(IV) telluride	12166-21-1

P

Chemical formula	Synonyms	CAS number
PBr₃	phosphorus tribromide Phosphorus tribromide Phosphorus tribromide is a colourless liquid with the formula PBr3. It fumes in air due to hydrolysis and has a penetrating odour. It is widely used in the laboratory for the conversion of alcohols to alkyl bromides.-Preparation:...	7789-60-8
PBr₅	phosphorus pentabromide Phosphorus pentabromide Phosphorus pentabromide is a reactive, yellow solid of formula PBr5, which has the structure PBr4+ Br− in the solid state but in the vapor phase is completely dissociated to PBr3 and Br2. Rapid cooling of this phase to 15 K leads to formation of an ionic species [PBr4]+[Br3]-.It can be used in...	7789-69-7
PCl₃	phosphorus trichloride Phosphorus trichloride Phosphorus trichloride is a chemical compound of phosphorus and chlorine, having chemical formula PCl3. Its shape is trigonal pyramidal. It is the most important of the three phosphorus chlorides. It is an important industrial chemical, being used for the manufacture of organophosphorus compounds...	7719-12-2
PCl₅	phosphorus pentachloride	10026-13-8
PF₃	phosphorus trifluoride Phosphorus trifluoride Phosphorus trifluoride , is a colorless and odorless gas. It is highly toxic and it reacts slowly with water. Its main use is as a ligand in metal complexes...	7783-55-3
PF₅	phosphorus pentafluoride Phosphorus pentafluoride Phosphorus pentafluoride, PF5, is a phosphorus halide. It's a colourless gas at room temperature and pressure.-Structure:Single-crystal X-ray studies indicate PF5 molecule has two distinct P−F bonds : P−Fax = 158.0 pm and P−Feq = 152.2 pm...	7647-19-0
PH₃	phosphorus trihydride	7803-51-2
PI₃	phosphorus triiodide Phosphorus triiodide Phosphorus triiodide is an unstable red solid which reacts violently with water. It is a common misconception that PI3 is too unstable to be stored; it is, in fact, commercially available. It is widely used in organic chemistry for converting alcohols to alkyl iodides. It is also a powerful...	13455-01-1
POBr₃	phosphorus oxybromide	7789-59-5
POCl₃	phosphorus oxychloride	10025-87-3
PSCl₃	phosphorus thiochloride	3982-91-0
P₂Br₄	phosphorus tetrabromide	24856-99-3
P₂Cl₄	phosphorus tetrachloride	13497-91-1
P₂F₄	phosphorus tetrafluoride	13824-74-3
P₂H₄	phosphorus tetrahydride	13445-50-6
P₂I₄	phosphorus tetraiodide	13455-00-0
P₂O₅	phosphorus pentoxide Phosphorus pentoxide Phosphorus pentoxide is a chemical compound with molecular formula P4O10 . This white crystalline solid is the anhydride of phosphoric acid. It is a powerful desiccant.-Structure:...	1314-56-3
P₄O₆	phosphorus hexoxide	12440-00-5
P₄O₁₀	phosphorus decaoxide	16752-60-6
P₄S₃	phosphorus trisulfide	1314-51-8
P₄S₄	phosphorus tetrasulfide	39350-99-7
P₄S₆	phosphorus hexasulfide	131105-01-6
P₄S₇	phosphorus heptasulfide	15578-16-2
P₄S₉	phosphorus nonasulfide	25070-46-6
P₄S₁₀	phosphorus pentasulfide Phosphorus pentasulfide Phosphorus pentasulfide is the inorganic compound with the formula P4S10. This yellow solid is the one of two phosphorus sulfides of commercial value...	1314-80-3
P₄Se₃	phosphorus triselenide	1314-86-9
PaBr₄	protactinium(IV) bromide	13867-42-0
PaBr₅	protactinium(V) bromide	15608-38-5
PaCl₄	protactinium(IV) chloride	13867-41-9
PaCl₅	protactinium(V) chloride	13760-41-3
PaF₄	protactinium(IV) fluoride	13842-89-2
PaF₅	protactinium(V) fluoride	15192-29-7
PaI₃	protactinium(III) iodide	19415-71-5
PaI₄	protactinium(IV) iodide	15513-96-9
PaI₅	protactinium(V) iodide	17497-66-4
PaO	protactinium(II) oxide	60936-60-9
PaO₂	protactinium(IV) oxide Protactinium(IV) oxide Protactinium oxide is a chemical compound with the formula PaO2. The black oxide is formed by reducing Pa2O5 with hydrogen....	12036-03-2
Pa₂O₅	protactinium(V) oxide Protactinium(V) oxide Protactinium oxide is a chemical compound with the formula Pa2O5. When it is reduced with hydrogen, it forms PaO2....	12036-75-8
Pb(AsO₄)₂	lead(II) arsenite	10031-13-7
Pb(BF₄)₂	lead(II) fluoroborate	13814-96-5
PbBr₂	lead(II) bromide Lead(II) bromide Lead bromide is the stable salt of lead and hydrobromic acid. It is typically formed by precipitation from lead nitrate by the addition of a water-soluble bromide. As a chemical compound containing lead, it is categorized as probably carcinogenic to humans , by the International Agency for Research...	10031-22-8
PbBr₄	lead(IV) bromide	13701-91-2
Pb(CHO₂)₂	lead(II) formate	811-54-1
Pb(CN)₂	lead(II) cyanide	592-05-2
PbCO₃	lead(II) carbonate	598-63-0
Pb(C₂H₃O₂)₂	lead(II) acetate Lead(II) acetate Lead acetate , also known as lead acetate, lead diacetate, plumbous acetate, sugar of lead, lead sugar, salt of Saturn, and Goulard's powder, is a white crystalline chemical compound with a sweetish taste. It is made by treating lead oxide with acetic acid. Like other lead compounds, it is toxic...	301-04-2
Pb(C₂H₃O₂)₂	lead(III) acetate	546-67-8
PbC₂O₄	lead(II) oxalate	814-93-7
Pb(C₃H₅O₂)₂	lead(II) lactate	18917-82-3
Pb(C₄H₇O₂)₂	lead(II) butanoate	819-73-8
Pb(C₁₈H₃₃O₂)₂	lead(II) oleate	1120-46-3
Pb(C₁₈H₃₅O₂)₂	lead(II) stearate	1072-35-1
Pb(ClO₃)₂	lead(II) chlorate	10294-47-0
Pb(ClO₄)₂	lead(II) perchlorate	13453-62-8
PbCl₂	lead(II) chloride Lead(II) chloride Lead chloride is an inorganic compound which is a white solid under ambient conditions. It is poorly soluble in water. Lead chloride is one of the most important lead-based reagents...	7758-95-4
PbCl₄	lead(IV) chloride	13463-30-4
PbCrO₄	lead(II) chromate Lead(II) chromate Lead chromate is a chemical compound, a chromate of lead. It has a vivid yellow color and is practically insoluble in water, and as a result, is used in paints under the name "chrome yellow"...	7758-97-6
PbF₂	lead(II) fluoride Lead(II) fluoride Lead fluoride is a chemical compound that is an odorless white solid.Conditions/substances to avoid are: strong oxidizers.-Uses:Lead fluoride is used:* in low melting glasses* in glass coatings to reflect infrared rays...	7783-46-2
PbF₄	lead(IV) fluoride	7783-59-7
Pb(H₂PO₂)₂	lead(II) hypophosphite	10294-58-3
PbH₄	lead(IV) hydride	15875-18-0
Pb(IO₃)₂	lead(II) iodate	25659-31-8
PbI₂	lead(II) iodide Lead(II) iodide Lead iodide or plumbous iodide is a bright yellow solid at room temperature, that reversibly becomes brick red by heating. In its crystalline form it is used as a detector material for high energy photons including x-rays and gamma rays....	10101-63-0
PbMoO₄	lead(II) molybdate	10190-55-3
Pb(NO₃)₂	lead(II) nitrate Lead(II) nitrate Lead nitrate is an inorganic compound with the chemical formula Pb2. It commonly occurs as a colourless crystal or white powder and, unlike most other lead salts, is soluble in water....	10099-74-8
Pb(NbO₃)₂	lead(II) niobate	12034-88-7
PbO	lead(II) oxide Lead(II) oxide Lead oxide is the inorganic compound with the formula PbO. Lead oxide occurs in two polymorphs, red, having a tetragonal crystal structure and yellow, having an orthorhombic crystal structure...	1317-36-8
Pb(OH)₂	lead(II) hydroxide Lead(II) hydroxide Lead hydroxide, Pb2, is a hydroxide of lead, with lead in oxidation state +2. Although it appears a fundamentally simple compound, it is doubtful if lead hydroxide is stable as a solid phase. Lead basic carbonate or lead oxide is encountered in practice where lead hydroxide is expected...	19783-14-3
PbO₂	lead(IV) oxide	1309-60-0
PbS	lead(II) sulfide Lead(II) sulfide Lead sulfide is an inorganic compound with the formula Pb. It finds limited use in electronic devices. PbS, also known as galena, is the principal ore and most important compound of lead....	1314-87-0
Pb(SCN)₂	lead(II) thiocyanate Lead(II) thiocyanate Lead thiocyanate is a chemical compound, more precisely a salt, with the chemical formula Pb2.Lead thiocyanate may be made by reacting lead acetate solved in water with either potassium thiocyanate or ammonium thiocyanate , thus causing precipitation of solid lead thiocyanate.Ion reaction:Lead...	592-87-0
PbSO₃	lead(II) sulfite	7446-10-8
PbSO₄	lead(II) sulfate Lead(II) sulfate Lead sulfate is a white crystal or powder. It is also known as fast white, milk white, sulfuric acid lead salt or anglesite....	7446-14-2
PbSe	lead(II) selenide Lead(II) selenide Lead selenide , or lead selenide, a selenide of lead, is a semiconductor material. It forms cubic crystals of the NaCl structure; it has a direct bandgap of 0.27 eV at room temperature...	12069-00-0
PbSeO₃	lead(II) selenite	7488-51-9
PbSeO₄	lead(II) selenate	7446-15-3
PbSiO₃	lead(II) metasilicate	10099-76-0
PbTa₂O₆	lead(II) tantalate	12065-68-8
PbTe	lead(II) telluride Lead(II) telluride Lead telluride is a compound of lead and tellurium ; it is a narrow gap semiconductor. It occurs naturally as the mineral altaite.- Properties :* Dielectric constant ~1000.* Electron Effective mass ~ 0.01me...	1314-91-6
PbTiO₄	lead(II) titanate	12060-00-3
Pb(VO₃)₂	lead(II) metavandate	10099-79-3
PbWO₄	lead(II) tungstate	7759-01-5
PbZrO₃	lead(II) zirconate	12060-01-4
Pb₂O₃	lead(II,IV) oxide	1314-27-8
Pb₂SiO₄	lead(II) orthosilicate	13566-17-1
Pb₃(AsO₄)₂	lead(II) arsenate	3687-31-8
Pb₃(N₃)₂	lead(II) azide Lead(II) azide Lead azide is an inorganic compound. More so than other azides, is explosive. It is used in detonators to initiate secondary explosives. In a commercially usable form, it is a white to buff powder.-Preparation and handling:...	13424-46-9
Pb₃O₄	lead(II,II,IV) oxide	1314-41-6
Pb₃(PO₄)₂	lead(II) phosphate Lead(II) phosphate Lead phosphate is an ionic compound with chemical formula Pb32.Lead Phosphate is a long lived electronically neutral reagent chemical. Despite limited tests on humans, it has been identified as a carcinogen based on tests on animals conducted by the EPA.[3] Properties: Hexagonal, colorless crystal...	7446-27-7
Pb₃(SbO₄)₂	lead(II) antimonide	13510-89-9
PdBr₂	palladium(II) bromide Palladium(II) bromide Palladium bromide is an inorganic compound of palladium and bromine. It is a commercially available, though less common than palladium chloride, the usual entry point to palladium chemistry. Like the chloride, palladium bromide is insoluble in water, but dissolves when heated in acetonitrile to...	13444-94-5
Pd(CN)₂	palladium(II) cyanide Palladium(II) cyanide Palladium cyanides are chemical species with the empirical formula Pdn-. The dicyanide is a coordination polymer which was the first pure palladium compound isolated. In his attempts to produce pure platinum metal in 1804, W.H...	2035-66-7
Pd(C₂F₃O₂)₂	palladium(II) trifluoroacetate	42196-31-6
Pd(C₂H₃O₂)₂	palladium(II) acetate Palladium(II) acetate Palladium acetate is a chemical compound of palladium described by the formula Pd2 or Pd2. It is considered more reactive than the analogous platinum compound...	3375-31-3
PdCl₂	palladium(II) chloride Palladium(II) chloride Palladium chloride, also known as palladium dichloride, are the chemical compounds with the formula PdCl2. PdCl2 is a common starting material in palladium chemistry – palladium-based catalysts are of particular value in organic synthesis. It is prepared by chlorination of...	7647-10-1
PdF₂	palladium(II) fluoride Palladium(II) fluoride Palladium fluoride, also known as palladium difluoride, is the chemical compound of palladium and fluorine with the formula PdF2.-Synthesis:PdF2 is prepared by refluxing palladium fluoride, PdII[PdIVF6], with selenium tetrafluoride, SeF4....	13444-96-7
PdF₄	palladium(IV) fluoride Palladium(IV) fluoride Palladium fluoride, also known as palladium tetrafluoride, is the chemical compound of palladium and fluorine with the chemical formula PdF4...	13709-55-2
PdI₂	palladium(II) iodide Palladium(II) iodide Palladium iodide is an inorganic compound of palladium and iodine. It is a commercially available, though less common than palladium chloride, the usual entry point to palladium chemistry....	7790-38-7
Pd(NO₃)₂	palladium(II) nitrate Palladium(II) nitrate Palladium nitrate is a red-brown solid that is strongly oxidizing and may liberate noxious fumes upon reaction with reducing agents. It is a skin and respiratory irritant...	10102-05-3
PdO	palladium(II) oxide Palladium(II) oxide Palladium oxide is the inorganic compound of formula PdO. It is the only well characterised oxide of palladium. It is prepared by treating the metal with oxygen. Above about 900 °C, the oxide reverts to Pd metal. It is not attacked by acids...	1314-08-5
PdO₂	palladium(IV) oxide	12036-04-3
PdS	palladium(II) sulfide	12125-22-3
PdSO₄	palladium(II) sulfate	13566-03-5
PdS₂	palladium(IV) sulfide	12137-75-6
PdSe	palladium(II) selenide	12137-76-7
PdSe₂	palladium(IV) selenide	60672-19-7
PdTe	palladium(II) telluride	12037-94-4
PdTe₂	palladium(IV) telluride	12037-95-5
PmBr₃	promethium(III) bromide	14325-78-1
PmCl₃	promethium(III) chloride	13779-10-7
Pm₂O₃	promethium(III) oxide Promethium(III) oxide Promethium oxide or promethium oxide is a compound with the formula Pm2O3. It is the most common form of promethium.-Crystal structure:Promethium oxide exists in three major crystalline forms:...	12036-32-7
PrBr₃	praseodymium(III) bromide	13536-53-3
Pr(CHO₂)₃	praseodymium(III) formate	3252-52-6
PrCl₃	praseodymium(III) chloride Praseodymium(III) chloride Praseodymium chloride is the inorganic compound with the formula PrCl3. It is a blue-green solid that rapidly absorbs water on exposure to moist air to form a light green heptahydrate.-Preparation:...	10361-79-2
PrF₂	praseodymium(II) fluoride	59513-11-0
PrF₃	praseodymium(III) fluoride	13709-46-1
PrF₄	praseodymium(IV) fluoride	15192-24-2
PrI₂	praseodymium(II) iodide	65530-47-4
PrI₃	praseodymium(III) iodide	13813-23-5
PrN	praseodymium(III) nitride	25764-09-4
PrO₂	praseodymium(IV) oxide	12036-05-4
PrS	praseodymium(II) sulfide	12038-06-1
PrSe	praseodymium(II) selenide	12038-08-3
PrTe	praseodymium(II) telluride	12125-60-9
Pr₂O₃	praseodymium(III) oxide Praseodymium(III) oxide Praseodymium oxide or praseodymium oxide is the chemical compound composed of praseodymium and oxygen with the formula Pr2O3. It forms white hexagonal crystals. Praseodymium oxide crystallizes in the manganese oxide or bixbyite structure....	12036-32-7
Pr₂S₃	praseodymium(III) sulfide Praseodymium(III) sulfide Praseodymium sulfide is an inorganic chemical compound.Conditions/substances to avoid are: heat, moisture, acids, flame and thin foils.-References:...	12038-13-0
Pr₂Te₃	praseodymium(III) telluride	12038-12-9
PtBr₂	platinum(II) bromide Platinum(II) bromide Platinum bromide is the chemical compound with the formula PtBr2. This dark green powder is a common precursor to other platinum-bromide compounds...	13455-12-4
PtBr₃	platinum(III) bromide	25985-07-3
PtBr₄	platinum(IV) bromide Platinum(IV) bromide Platinum bromide is the chemical compound composed of platinum and bromine with the formula PtBr4.A solution of platinum bromide and gold bromide in water can be used to test for the presence of caesium by putting a drop of the reagent and a drop of the unknown solution onto a piece of filter paper...	68938-92-1
Pt(CN)₂	platinum(II) cyanide	592-06-3
PtCl₂	platinum(II) chloride Platinum(II) chloride Platinum chloride is the chemical compound PtCl2. It is an important precursor used in the preparation of other platinum compounds. It exists in two crystalline forms, but the main properties are somewhat similar: dark brown, insoluble in water, diamagnetic, and odorless.-Structure:The...	10025-65-7
PtCl₃	platinum(III) chloride	25909-39-1
PtCl₄	platinum(IV) chloride Platinum(IV) chloride Platinum chloride is the inorganic compound of platinum and chlorine with the empirical formula PtCl4. This brown solid features platinum in the 4+ oxidation state.-Structure:...	13454-96-1
PtCl₄•5H₂O	platium(IV) chloride pentaahydrate	15869-63-3
PtF₄	platinum(IV) fluoride	13455-15-7
PtF₅	platinum(V) fluoride	13782-84-8
PtF₆	platinum(VI) fluoride	13693-05-5
PtI₂	platinum(II) iodide	7790-39-8
PtI₃	platinum(III) iodide	68220-29-1
PtI₄	platinum(IV) iodide	7790-46-7
PtO	platinum(II) oxide	12035-82-4
PtO₂	platinum(IV) oxide	1314-15-4
PtO₂•H₂O	platinum(IV) oxide monohydrate	12137-21-2
PtS	platinum(II) sulfide	12038-20-9
PtS₂	platinum(IV) sulfide	12038-21-0
PtSe₂	platinum(IV) selenide	12038-26-5
PtTe	platinum(II) telluride	12166-00-6
PtTe₂	platinum(IV) telluride	12038-29-8
Pt₆Cl₁₂	platinum(II) chloride Platinum(II) chloride Platinum chloride is the chemical compound PtCl2. It is an important precursor used in the preparation of other platinum compounds. It exists in two crystalline forms, but the main properties are somewhat similar: dark brown, insoluble in water, diamagnetic, and odorless.-Structure:The...	10025-65-7
PuBr₃	plutonium(III) bromide	15752-46-2
PuCl₃	plutonium(III) chloride Plutonium(III) chloride Plutonium chloride is the chemical compound with the formula PuCl3.- Structure :Plutonium atoms in crystalline PuCl3 are 9 coordinate, and the structure is tricapped trigonal prismatic.- Safety :...	13569-62-5
PuF₃	plutonium(III) fluoride Plutonium(III) fluoride Plutonium fluoride or plutonium trifluoride is the chemical compound composed of plutonium and fluorine with the formula PuF3. It forms violet crystals...	13842-83-6
PuF₄	plutonium(IV) fluoride Plutonium(IV) fluoride Plutonium fluoride , as for all plutonium compounds, is subject to control under the Nuclear Non-Proliferation Treaty.Metallic plutonium is produced by reacting plutonium tetrafluoride with barium, calcium or lithium at 1200 °C....	13709-56-3
PuF₆	plutonium(VI) fluoride	13693-06-6
PuH₂	plutonium(II) hydride	17336-52-6
PuH₃	plutonium(III) hydride	15457-77-9
PuI₃	plutonium(III) iodide	13813-46-2
PuN	plutonium(III) nitride	12033-54-4
PuO	plutonium(II) oxide	12035-83-5
PuO₂	plutonium(IV) oxide	12059-95-9
PuS	plutonium(II) sulfide	12038-51-6
PuS₂	plutonium(IV) sulfide	12038-56-1
PuSe	plutonium(II) selenide	23299-88-9
Pu₂O₃	plutonium(III) oxide	12036-34-9

R

Chemical formula	Synonyms	CAS number
RaBr₂	radium bromide Radium bromide Radium bromide is the bromide salt of radium, with the formula RaBr2. It is produced during the separation of radium from uranium ore. This inorganic compound was discovered by Pierre and Marie Curie in 1898, which sparked a huge interest in radiochemistry, especially radiotherapy...	10031-23-9
RaCO₃	radium carbonate	7116-98-5
RaCl₂	radium chloride Radium chloride Radium chloride, RaCl2, was the first radium compound to be prepared in a pure state and was the basis of Marie Curie's original separation of radium from barium. The first preparation of radium metal was by the electrolysis of a solution of radium chloride using a mercury...	10025-66-8
RaF₂	radium fluoride	20610-49-5
RaI₂	radium iodide	20610-52-0
RaNO₃	radium nitrate	10213-12-4
RaO	radium oxide	12143-02-1
Ra(OH)₂	radium hydroxide	98966-86-0
RaSO₄	radium sulfate	7446-16-4
RbAlCl₄	rubidium tetrachloroaluminate	17992-02-8
RbAlF₄	rubidium tetrafluoroaluminate	14484-70-9
RbBr	rubidium bromide Rubidium bromide Rubidium bromide is the bromide of rubidium. It has a NaCl crystal structure, with a lattice constant of 685 picometres. There are several methods for synthesising rubidium bromide...	7789-39-1
RbC₂H₃O₂	rubidium acetate	563-67-7
RbC₅H₇O₂	rubidium acetylacetonate	66169-93-5
RbCl	rubidium chloride Rubidium chloride Rubidium chloride is the alkali metal halide RbCl. This alkali halide finds diverse uses, from electrochemistry to molecular biology.-Structure:In its gas phase, RbCl is diatomic with a bond length estimated at 2.7868 Å...	7791-11-9
RbF	rubidium fluoride Rubidium fluoride Rubidium fluoride is the fluoride salt of rubidium. It is an octahedral crystal.There are several methods for synthesising rubidium fluoride...	13446-74-7
RbH	rubidium hydride Rubidium hydride Rubidium hydride is the hydride of rubidium. It is synthesized using rubidium metal to react with hydrogen gas. As a hydride of an alkali metal, it is reactive towards even weak oxidizing agents. A redox reaction will occur with chlorine or fluorine and a lot of heat will evolve. Rubidium hydride...	13446-75-8
RbI	rubidium iodide Rubidium iodide Rubidium iodide is a compound with a melting point of 642 °C. Its chemical formula is RbI....	7790-29-6
RbIO₃	rubidium iodate	13446-76-9
RbIO₄	rubidium periodate	13465-48-0
RbNO₃	rubidium nitrate Rubidium nitrate Rubidium nitrate is an inorganic compound with the formula RbNO3. This salt is white and highly soluble in water.-Properties:Rubidium nitrate is a white crystalline powder that is highly soluble in water and very slightly soluble in acetone. In a flame test, RbNO3 gives a mauve/light purple...	13126-12-0
RbOH	rubidium hydroxide Rubidium hydroxide Rubidium hydroxide is a strong basic chemical and alkali that is formed by one rubidium ion and one hydroxide ion.Rubidium hydroxide does not appear in nature. However it can be obtained by synthesis from rubidium oxide...	1310-82-3
RbO₂	rubidium superoxide	12137-25-6
Rb₂O	rubidium oxide Rubidium oxide Rubidium oxide is the chemical compound with the formula Rb2O. Rubidium oxide is highly reactive towards water, and therefore it would not be expected to occur naturally. The rubidium content in minerals is often calculated and quoted in terms of Rb2O. In reality, the rubidium is typically...	18088-11-4
Rb₂O₂	rubidium peroxide	23611-30-5
Rb₂S	rubidium sulfide	31083-74-6
Rb₂Se	rubidium selenide	31052-43-4
Rb₂Te	rubidium telluride Rubidium telluride Rubidium telluride or Rb2Te is a chemical compound of the elements rubidium and tellurium. It is a difficult compound to synthesize; this is in part due to the instability of the substance....	12210-70-7
ReBr₃	rhenium(III) bromide	13569-49-8
ReBr₄	rhenium(IV) bromide	36753-03-4
ReBr₅	rhenium(V) bromide	30937-53-2
ReCl₃	rhenium(III) chloride	13569-63-6
ReCl₄	rhenium(IV) chloride	13569-71-6
ReCl₅	rhenium(V) chloride	13596-35-5
ReCl₆	rhenium(VI) chloride	31234-26-1
ReF₄	rhenium(IV) fluoride	15192-42-4
ReF₅	rhenium(V) fluoride	30937-52-1
ReF₆	rhenium(VI) fluoride	10049-17-9
ReF₇	rhenium(VII) fluoride	17029-21-9
ReI₃	rhenium(III) iodide	15622-42-1
ReI₄	rhenium(IV) iodide	59301-47-2
ReO₂	rhenium(IV) oxide Rhenium(IV) oxide Rhenium oxide or rhenium dioxide is the chemical compound composed of rhenium and oxygen with the formula ReO2. This gray to black crystalline solid is a laboratory reagent that can be used as a catalyst. It form perrhenates with alkaline hydrogen peroxide and oxidizing acids. It disproportionates...	12036-09-8
ReO₃	rhenium(VI) oxide	1314-28-9
ReS₂	rhenium(IV) sulfide	12038-63-0
ReTe₂	rhenium(IV) telluride	12067-00-4
Re₂O₃	rhenium(III) oxide	12060-05-8
Re₂O₇	rhenium(VII) oxide Rhenium(VII) oxide Rhenium oxide is the chemical compound with the formula Re2O7. It is the anhydride of the hypothetical acid . Perrhenic acid, Re2O7·2H2O, however is closely related structurally to Re2O7. Solid Re2O7 is polymeric consisting, unusually, of the metal centers in two coordination environments...	1314-68-7
Re₂S₇	rhenium(VII) sulfide	12038-67-4
RhBr₃	rhodium(III) bromide	15608-29-4
RhCl₃	rhodium(III) chloride Rhodium(III) chloride Rhodium chloride refers to inorganic compounds with the formula RhCl3n, where n varies from 0 to 3. These are diamagnetic solids featuring octahedral Rh centres. Depending on the value of n, the material is either a dense brown solid or a soluble reddish salt...	10049-07-7
RhF₃	rhodium(III) fluoride	60804-25-3
RhF₄	rhodium(IV) fluoride	60617-65-4
RhF₅	rhodium(V) fluoride	41517-05-9
RhF₆	rhodium(VI) fluoride Rhodium(VI) fluoride Rhodium fluoride is an inorganic compound with the chemical formula RhF6. It's the most unstable hexafluoride of the platinum group and it can react with glass even without water. The fluoride can be synthesised with the reaction of metallic rhodium and fluroine....	13693-07-7
RhI₃	rhodium(III) iodide	15492-38-3
Rh(NO₃)₃	rhodium(III) nitrate	13465-43-5
RhO₂	rhodium(IV) oxide Rhodium(IV) oxide Rhodium oxide is the chemical compound with the formula RhO2.-Physical properties:RhO2 has metallic resistivity with values...	12137-27-8
RhS₂	rhodium(IV) sulfide	12038-73-2
RhSe₂	rhodium(IV) selenide	12038-76-5
RhTe₂	rhodium(IV) telluride	12038-80-1
Rh₂O₃	rhodium(III) oxide Rhodium(III) oxide Rhodium oxide is the chemical compound with the formula Rh2O3.-Structure:Rh2O3 has been found in two major forms. The hexagonal form has the corundum structure. It transforms into an orthorhombic structure when heated above 750 °C.-Production:Rhodium oxide can be produced via several routes:* Rh...	12036-35-0
Rh₂(SO₄)₃	rhodium(III) sulfate	10489-46-0
Rh₂S₃	rhodium(III) sulfide	12067-06-0
Rh₂S₇	rhodium(VII) sulfide	12038-67-4
RuBr₂	ruthenium(II) bromide	59201-36-4
RuBr₃	ruthenium(III) bromide	14014-88-1
RuC₁₅H₂₁O₃	ruthenium(III) acetylacetonate Ruthenium(III) acetylacetonate Ruthenium acetylacetonate is a coordination complex with the formula Ru3, where acac is acetylacetonate. This compound exists as a dark violet solid that is soluble in most organic solvents...	22594-69-0
RuCl₂	ruthenium(II) chloride	13465-51-5
RuCl₃	ruthenium(III) chloride Ruthenium(III) chloride Ruthenium chloride is the chemical compound with the formula RuCl3. "Ruthenium chloride" more commonly refers to the hydrate RuCl3·xH2O. Both the anhydrous and hydrated species are dark brown or black solids...	10049-08-8
RuF₃	ruthenium(III) fluoride	51621-05-7
RuF₄	ruthenium(IV) fluoride	71500-16-8
RuF₅	ruthenium(V) fluoride	14521-18-7
RuF₆	ruthenium(VI) fluoride	13693-08-8
RuI₂	ruthenium(II) iodide	59201-41-1
RuI₃	ruthenium(III) iodide	13896-65-6
RuO₂	ruthenium(IV) oxide Ruthenium(IV) oxide Ruthenium oxide is a black chemical compound containing the rare metal ruthenium and oxygen. The most often used O2 catalyst is ruthenium oxide; however, care must be taken since hydrates of this oxide exist....	12036-10-1
RuO₄	ruthenium(VI) oxide	20427-56-9
RuS₂	ruthenium(IV) sulfide	12166-20-0
RuSe₂	ruthenium(IV) selenide	12166-21-1
RuTe₂	ruthenium(IV) telluride	12166-21-1

S

Chemical formula	Synonyms	CAS number
SCl₂	sulfur dichloride Sulfur dichloride Sulfur dichloride is the chemical compound with the formula SCl2. This cherry-red liquid is the simplest sulfur chloride and one of the most common. It is used as a precursor to organosulfur compounds.-Chlorination of sulfur:...	10545-99-0
SCl₄	sulfur tetrachloride	13451-08-6
SF₂	sulfur difluoride Sulfur difluoride Sulfur difluoride is an inorganic compound with the chemical formula SF2. It can be synthesized by the reaction of sulfur dichloride and potassium fluoride or mercury fluoride at low pressure:...	13814-25-0
SF₄	sulfur tetrafluoride Sulfur tetrafluoride Sulfur tetrafluoride is the chemical compound with the formula SF4. This species exists as a gas at standard conditions. It is a corrosive species that releases dangerous HF upon exposure to water or moisture...	7783-60-0
SF₆	sulfur hexafluoride Sulfur hexafluoride Sulfur hexafluoride is an inorganic, colorless, odorless, and non-flammable greenhouse gas. has an octahedral geometry, consisting of six fluorine atoms attached to a central sulfur atom. It is a hypervalent molecule. Typical for a nonpolar gas, it is poorly soluble in water but soluble in...	2551-62-4
SO	sulfur monoxide Sulfur monoxide Sulfur monoxide is an inorganic compound with formula . It is only found as a dilute gas phase. When concentrated or condensed, it converts to S2O2 . It has been detected in space but is rarely encountered intact otherwise.-Structure and bonding:The SO molecule has a triplet ground state similar...	13827-32-2
SO₂	sulfur dioxide Sulfur dioxide Sulfur dioxide is the chemical compound with the formula . It is released by volcanoes and in various industrial processes. Since coal and petroleum often contain sulfur compounds, their combustion generates sulfur dioxide unless the sulfur compounds are removed before burning the fuel...	7446-09-5
SO₃	sulfur trioxide Sulfur trioxide Sulfur trioxide is the chemical compound with the formula SO3. In the gaseous form, this species is a significant pollutant, being the primary agent in acid rain. It is prepared on massive scales as a precursor to sulfuric acid.-Structure and bonding:Gaseous SO3 is a trigonal planar molecule of...	7446-11-9
S₂Br₂	disulfur dibromide	13172-31-1
S₂Cl₂	disulfur dichloride Disulfur dichloride Disulfur dichloride is the chemical compound with the formula S2Cl2 . Some alternative names for this compound are sulfur monochloride , disulphur dichloride and sulphur monochloride...	10025-67-9
S₂F₄	disulfur tetrafluoride	10546-01-7
S₂F₁₀	disulfur decafluoride Disulfur decafluoride Disulfur decafluoride is a gas discovered in 1934 by Denbigh and Whytlaw-Gray. Each S of the S2F10 molecule is octahedral, and surrounded by 5 fluorines. S2F10 is highly toxic, with toxicity similar to phosgene...	5714-22-7
S₂I₂	disulfur diiodide	53280-15-2
S₂O	disulfur monoxide Disulfur monoxide Disulfur monoxide or sulfur suboxide is an unstable gas being a compound of sulfur and oxygen with formula S2O. It is one of the lower sulfur oxides. It is a colourless gas. It can be formed by reacting thionyl chloride with silver sulfide:...	20901-21-7
S₄N₄	tetrasulfur tetranitride Tetrasulfur tetranitride Tetrasulfur tetranitride is an inorganic compound with the formula S4N4. This gold-poppy coloured solid is the most important binary sulfur nitride, which are compounds that contain only the elements sulfur and nitrogen. It is a precursor to many S-N compounds and has attracted wide interest for...	28950-34-7
SbBr₃	antimony tribromide Antimony tribromide Antimony tribromide is a chemical compound containing antimony in its +3 oxidation state. It may be made by the reaction of antimony with elemental bromine or the reaction of antimony trioxide with hydrobromic acid. It can be added to polymers such as polyethylene as a fire retardant...	7789-61-9
SbCl₂F₃	antimony dichlorotrifluoride	7791-16-4
SbCl₃	antimony trichloride Antimony trichloride Antimony trichloride is the chemical compound with the formula SbCl3. The soft colorless solid with a pungent odor was known to the alchemists as butter of antimony.-Preparation:...	10025-91-9
SbCl₅	antimony pentachloride Antimony pentachloride Antimony pentachloride is a the chemical compound with the formula SbCl5. It is a colourless oil, but typical samples are yellowish due to impurities...	7647-18-9
SbF₃	antimony trifluoride Antimony trifluoride Antimony trifluoride is the inorganic compound with the formula SbF3. Sometimes called Swart's reagent, is one of two principal fluorides of antimony, the other being SbF5. It appears as a white solid...	7783-56-4
SbF₅	antimony pentafluoride Antimony pentafluoride Antimony pentafluoride is the inorganic compound with the formula SbF5. This colourless, viscous liquid is a valuable Lewis acid and a component of the superacid fluoroantimonic acid, the strongest known acid...	7783-70-2
SbH₃	antimony trihydride	7803-52-3
SbI₃	antimony triiodide Antimony triiodide Antimony triiodide is the chemical compound with the formula SbI3. This ruby-red solid is the only characterized "binary" iodide of antimony, i.e. the sole compound isolated with the formula SbxIy. It contains antimony in its +3 oxidation state. Like many iodides of the heavier main group...	7790-44-5
SbN	antimony trinitride	12333-57-2
SbNbO₄	antimony orthoniobate	35600-19-2
Sb₂O₃	antimony trioxide Antimony trioxide Antimony trioxide is the inorganic compound with the formula Sb2O3. It is the most important commercial compound of antimony. It is found in nature as the minerals valentinite and senarmontite...	1309-64-4
Sb₂O₄	antimony tetroxide Antimony tetroxide Antimony tetroxide is an inorganic compound with the formula Sb2O4. This material, which exists as the mineral cervantite, is white but reversibly yellows upon heating...	1332-81-6
Sb₂O₅	antimony pentoxide Antimony pentoxide Antimony pentoxide is a chemical compound of antimony and oxygen. It always occurs in hydrated form, Sb2O5·nH2O. It contains antimony in the +5 oxidation state.-Structure:...	1314-60-9
Sb₂(SO₄)₃	antimony trisulfate	7446-32-4
Sb₂S₃	antimony trisulfide	1345-04-6
Sb₂S₅	antimony pentasulfide Antimony pentasulfide Antimony pentasulfide is an inorganic compound of antimony and sulfur, also known as antimony red. It is a nonstoichiometric compound with a variable composition. Commercial samples are usually are contaminated with sulfur, which may be removed by washing with carbon disulfide in a Soxhlet...	1315-04-4
Sb₂Se₃	antimony triselenide Antimony triselenide Antimony triselenide is the chemical compound with the formula Sb2Se3. The material exists as the sulfosalt mineral antimonselite, which crystallizes in an orthorhombic space group...	1315-05-5
Sb₂Te₃	antimony tritelluride	1327-50-0
ScBr₃	scandium(III) bromide	13465-59-3
Sc(CF₃SO₃)₃	scandium(III) trifluoromethanesulfonate	144026-79-9
Sc(CHO₂)₃	scandium(III) formate	23405-01-8
ScCl₃	scandium(III) chloride Scandium(III) chloride Scandium chloride is the inorganic compound with the formula ScCl3. It is a white, high-melting ionic compound, which is deliquescent and highly water soluble. Scandium chloride is mainly of interest in the research laboratory...	10361-84-9
ScF₃	scandium(III) fluoride Scandium(III) fluoride Scandium fluoride, ScF3, is an ionic compound. It is slightly soluble in water but dissolves in the presence of excess fluoride to form ScF63−. ScF3 can be produced by reacting scandium and fluorine...	13709-47-2
ScH₂	scandium(II) hydride	13598-30-6
ScH₃	scandium(III) hydride	43238-07-9
ScI₃	scandium(III) iodide	14474-33-0
Sc(NO₃)₃	scandium(III) nitrate Scandium(III) nitrate Scandium nitrate, Sc3, is an ionic compound. It is an oxidizer, as all nitrates are....	13465-60-6
Sc₂O₃	scandium(III) oxide Scandium(III) oxide Scandium oxide, Sc2O3, scandia is a high melting white solid used in high-temperature systems , electronic ceramics, and glass composition .-Physical and chemical properties:...	12060-08-1
Sc₂S₃	scandium(III) sulfide Scandium(III) sulfide Scandium sulfide is a chemical compound of scandium and sulfur with the chemical formula Sc2S3.-Structure:The crystal structure of Sc2S3 is closely related to that of sodium chloride, in that it is based on a cubic close packed array of anions. Whereas NaCl has all the octahedral interstices in the...	12166-29-9
Sc₂Te₃	scandium(III) telluride	12166-44-8
SeBr	selenium bromide	17655-37-7
SeBr₂	selenium dibromide	22987-45-7
SeBr₄	selenium tetrabromide	7789-65-3
SeCl₂	selenium dichloride	14457-70-6
SeCl₄	selenium tetrachloride Selenium tetrachloride Selenium tetrachloride is the inorganic compound composed with the formula SeCl4. This compound exists as yellow to white volatile solid. It is one of two commonly available selenium chlorides, the other example being selenium monochloride, Se2Cl2...	10026-03-6
SeF₂	selenium difluoride	70421-43-1
SeF₄	selenium tetrafluoride Selenium tetrafluoride Selenium tetrafluoride is a chemical compound. It is a colourless liquid that reacts readily with water. It can be used as a fluorinating reagent in organic syntheses and has advantages over sulfur tetrafluoride in that milder conditions can be employed and it is a liquid rather than a gas...	13465-66-2
SeF₆	selenium hexafluoride Selenium hexafluoride Selenium hexafluoride is the inorganic compound with the formula SeF6. It is a colourless gas described as having a "repulsive" odor. It is not widely encountered and has no commercial applications.-Structure, preparation, and reactions:...	7783-79-1
SeOBr₂	selenium oxybromide Selenium oxybromide Selenium oxybromide is a chemical compound.-Preparation:Selenium oxybromide can be prepared through the reaction of selenium dioxide and selenium tetrabromide. Selenium and selenium dioxide are reacted with bromine to form selenium monobromide and selenium tetrabromide...	7789-51-7
SeOCl₂	selenium oxychloride	7791-23-3
SeO₂	selenium dioxide Selenium dioxide Selenium dioxide is the chemical compound with the formula SeO2. This colorless solid is one of the most frequently encountered compounds of selenium.-Properties:...	7446-08-4
SeO₂F₂	selenium dioxydifluoride	14984-81-7
SeO₃	selenium trioxide Selenium trioxide Selenium trioxide is a chemical compound used in the manufacture of photoelectric cells and solar energy devices.A laboratory preparation is to react anhydrous K2SeO4 and SO3. The compound is thermodynamically unstable with respect to selenium dioxide. The solid consists of cyclic tetramers,...	13768-86-0
SeS	selenium monosulfide	7446-34-6
SeS₂	selenium disulfide	7488-56-4
Se₂S₆	selenium hexasulfide Selenium hexasulfide Selenium hexasulfide is a chemical compound with formula Se2S6. Its molecular structure consists of a ring of two selenium and six sulfur atoms, analogous to the S8 allotrope of sulfur and other selenium sulfides with formula SenS8-n.There are several isomers depending on the relative placement...	75926-26-0
SiB₄	silicon boride Silicon boride Silicon borides are lightweight ceramic compounds formed between silicon and boron. Several stoichiometric silicon boride compounds, SiBn, have been reported: silicon triboride, SiB3, silicon tetraboride, SiB4, silicon hexaboride, SiB6, as well as SiBn...	12007-81-7
SiBr₄	silicon bromide	7789-66-4
SiC	silicon carbide Silicon carbide Silicon carbide , also known as carborundum, is a compound of silicon and carbon with chemical formula SiC. It occurs in nature as the extremely rare mineral moissanite. Silicon carbide powder has been mass-produced since 1893 for use as an abrasive...	409-21-2
SiCl₄	silicon chloride	10026-04-7
SiF₄	silicon fluoride	7783-61-1
SiH₄	silicon hydride Silane Silane is a toxic, extremely flammable chemical compound with chemical formula SiH4. In 1857, the German chemists and Friedrich Woehler discovered silane among the products formed by the action of hydrochloric acid on aluminum silicide, which they had previously prepared...	7803-62-5
SiI₄	silicon iodide Silicon iodide Silicon tetraiodide is the chemical compound with the formula SiI4. It is a tetrahedral molecule with Si-I bond lengths of 2.432 Å.SiI4 is a precursor to silicon amides of the formula Si4 .It has also been of interest in the manufacture and etching of silicon in microelectronics.-Reactions:The...	13465-84-4
SiO₂	silicon dioxide Silicon dioxide The chemical compound silicon dioxide, also known as silica , is an oxide of silicon with the chemical formula '. It has been known for its hardness since antiquity...	14808-60-7
SiS₂	silicon sulfide Silicon sulfide Silicon sulfide is the inorganic compound with the formula SiS2. Like the silicon dioxide, this material is polymeric, but it adopts a 1-dimensional structure quite different from the usual forms of SiO2.-Synthesis, structure, and properties:...	13759-10-9
Si₃N₄	silicon nitride Silicon nitride Silicon nitride is a chemical compound of silicon and nitrogen. If powdered silicon is heated between 1300° and 1400°C in an atmosphere of nitrogen, trisilicon tetranitride, Si3N4, is formed. The silicon sample weight increases progressively due to the chemical combination of silicon and nitrogen...	12033-89-5
SmBr₂	samarium(II) bromide	50801-97-3
SmBr₃	samarium(III) bromide	13759-87-0
Sm(CHO₂)₃	samarium(III) formate	3252-54-8
SmCl₂	samarium(II) chloride Samarium(II) chloride Samarium chloride is a chemical compound, used as a radical generating agent in the ketone-mediated intraannulation reaction....	13874-75-4
SmCl₃	samarium(III) chloride Samarium(III) chloride Samarium chloride , also known as samarium trichloride, is a compound of samarium and chlorine. It is a pale yellow solid which rapidly absorbs water on exposure to moist air to form a hexahydrate, SmCl3.6H2O. Simple rapid heating of the hydrate alone may cause small amounts of hydrolysis...	10361-82-7
SmF₂	samarium(II) fluoride	15192-17-3
SmF₃	samarium(III) fluoride Samarium(III) fluoride Samarium fluoride is a slightly hygroscopic solid fluoride.At room temperature, it has orthorhombic structure with space group Pnma - β-YF3 type with lattice constants a = 6.669, b = 7.059, c = 4.405...	13765-24-7
SmI₂	samarium(II) iodide Samarium(II) iodide Samarium iodide is a green solid composed of samarium and iodine, with a melting point of 520 °C where the samarium atom has a coordination number of seven in a capped octahedral configuration...	32248-43-4
SmI₃	samarium(III) iodide	13813-25-7
Sm₂O₃	samarium(III) oxide Samarium(III) oxide Samarium oxide is a chemical compound.-Uses:Samarium oxide is used in optical and infrared absorbing glass to absorb infrared radiation. Also, it is used as a neutron absorber in control rods for nuclear power reactors. The oxide catalyzes dehydration of acyclic primary alcohols to aldehydes and...	12060-58-1
Sm₂S₃	samarium(III) sulfide Samarium(III) sulfide Samarium sulfide is a chemical compound....	12067-22-0
Sm₂Se₃	samarium(III) selenide	12039-56-4
Sm₂Te₃	samarium(III) telluride	12040-00-5
Sn(BF₄)₂	tin(II) fluoroborate	13814-97-6
SnBr₂	tin(II) bromide Tin(II) bromide Tin bromide is a chemical compound of tin and bromine with a chemical formula of SnBr2. Tin is in the +2 oxidation state. The stability of tin compounds in this oxidation state is attributed to the inert pair effect.-Structure and bonding:...	10031-24-0
SnBr₄	tin(IV) bromide Tin(IV) bromide Tin bromide is the chemical compound SnBr4. It is a colourless low melting solid.SnBr4 can be prepared by reaction of the elements at normal temperatures:In aqueous solution Sn64+ is the principal ionic species amongst a range of 6 coordinate ions with from 0-6 bromide ligands Tin(IV) bromide is...	7789-67-5
SnC₂O₄	tin(II) oxalate	814-94-8
SnCl₂	tin(II) chloride Tin(II) chloride Tin chloride is a white crystalline solid with the formula 2. It forms a stable dihydrate, but aqueous solutions tend to undergo hydrolysis, particularly if hot. SnCl2 is widely used as a reducing agent , and in electrolytic baths for tin-plating...	7772-99-8
SnCl₄	tin(IV) chloride Tin(IV) chloride Tin chloride, also known as tin tetrachloride or stannic chloride is a chemical compound with the formula SnCl4.At room temperature it is a colourless liquid, which fumes on contact with air, giving a stinging odor...	7646-78-8
SnF₂	tin(II) fluoride	7783-47-3
SnF₄	tin(IV) fluoride Tin(IV) fluoride Tin fluoride is a chemical compound of tin and fluorine with the chemical formula SnF4 and is a white solid with a melting point above 700 °C....	7783-62-2
SnH₄	tin(IV) hydride	2406-52-2
SnI₂	tin(II) iodide Tin(II) iodide Tin iodide, also known as stannous iodide, is an ionic tin salt of iodine with the formula SnI2. It has a formula weight of 372.519 g/mol. It is a red to red-orange solid. Its melting point is 320 °C, and its boiling point is 714 °C....	10294-70-9
SnI₄	tin(IV) iodide Tin(IV) iodide Tin iodide, also known as stannic iodide is the chemical compound with the formula SnI4. This tetrahedral molecule crystallises as a bright orange solid that dissolves readily in nonpolar solvents such as benzene....	7790-47-8
SnO	tin(II) oxide Tin(II) oxide Tin oxide is a compound of tin and oxygen where tin has the oxidation state of +2. There are two forms, a stable blue-black form and a metastable red form.-Preparation and reactions:...	21651-19-4
SnO₂	tin(IV) oxide	18282-10-5
SnS	tin(II) sulfide Tin(II) sulfide Tin sulfide is a chemical compound of tin and sulfur. The chemical formula is SnS. Its natural occurrence concerns herzenbergite, a rare mineral.-Synthesis:...	1314-95-0
SnSO₄	tin(II) sulfate Tin(II) sulfate Tin sulfate is a chemical compound. It is a white solid that can absorb enough moisture from the air to dissolve in it, forming a solution; this property is known as deliquescence. It can be prepared by a displacement reaction between metallic tin and copper sulfate:Tin sulfate is a convenient...	7488-55-3
SnS₂	tin(IV) sulfide	1315-01-1
SnSe	tin(II) selenide Tin(II) selenide Tin selenide is a chemical compound. It can be formed by reacting the elements above 350 ºC....	1315-06-6
SnSe₂	tin(IV) selenide	20770-09-6
SnTe	tin(II) telluride	12040-02-7
SrAlO₃	strontium aluminate Strontium aluminate Strontium aluminate is a solid odorless, nonflammable, pale yellow powder, heavier than water. It is chemically and biologically inert. When activated with a suitable dopant , it acts as a photoluminescent phosphor with long persistence of phosphorescence...	12004-37-4
SrB₂O₄	strontium metaborate	13703-84-9
SrB₆	strontium boride Strontium boride Strontium boride is an inorganic compound. At room temperature, it appears as a crystalline black powder. Closer examination reveals slightly translucent dark red crystals capable of scratching quartz. It is very stable and has a high melting point and density...	12046-54-7
SrBr₂	strontium bromide Strontium bromide Strontium bromide is a chemical compound with a formula SrBr2. At room temperature it is a white, odorless, crystalline powder. Strontium bromide burns bright red in a flame test. It is used in flares and also has some pharmaceutical uses.- References :...	10476-81-0
SrBr₂•6H₂O	strontium bromide hexahydrate	7789-53-9
Sr(C₂H₃O₂)₂	strontium acetate	543-94-2
SrCO₃	strontium carbonate Strontium carbonate Strontium carbonate is the carbonate salt of strontium that has the appearance of a white or grey powder. It occurs in nature as the mineral strontianite.- Chemical properties :...	1633-05-2
SrCl₂	strontium chloride Strontium chloride Strontium chloride is a salt of strontium and chloride. It is a typical salt, forming neutral aqueous solutions. Like all compounds of Sr, this salt emits a bright red colour in a flame; in fact is used as a source of redness in fireworks...	10476-85-4
SrCrO₄	strontium chromate	7789-06-2
SrF₂	strontium fluoride Strontium fluoride Strontium fluoride, SrF2, also called strontium difluoride and strontium fluoride, is a fluoride of strontium. It is a stable brittle white crystalline solid with melting point of 1477°C and boiling point 2460°C.-Preparation:...	7783-48-4
SrH₂	strontium hydride	13598-33-9
SrI₂	strontium iodide Strontium iodide Strontium iodide is a salt of strontium and iodine. It is an ionic, water-soluble, and deliquescent compound that can be used in medicine as a substitute for potassium iodide.-Reactions:...	10476-86-5
SrMoO₄	strontium molybdate	13470-04-7
Sr(NO₂)₂	strontium nitrite	13470-06-9
Sr(NO₃)₂	strontium nitrate Strontium nitrate Strontium nitrate is an inorganic compound with the formula Sr2. This colourless solid is used as an colorant in pyrotechnics.- Preparation:Strontium nitrate is typically generated by the reaction of nitric acid on strontium carbonate.....	10042-76-9
SrO	strontium oxide Strontium oxide Strontium oxide or strontia, SrO, is formed when strontium reacts with oxygen. Burning strontium in air results in a mixture of strontium oxide and strontium nitride. It also forms from the decomposition of strontium carbonate SrCO3...	1314-11-0
Sr(OH)₂	strontium hydroxide Strontium hydroxide Strontium hydroxide, Sr2, is a caustic alkali composed of one strontium ion and two hydroxide ions. It is synthesized by combining a strontium salt with a strong base...	18480-07-4
SrO₂	strontium peroxide Strontium peroxide Strontium peroxide is a whitish inorganic compound, a peroxide of strontium. It is an oxidizing agent used for bleaching. It is used in some pyrotechnic compositions as an oxidizer and a vivid red pyrotechnic colorant. Its CAS number is ....	1314-18-7
SrS	strontium sulfide Strontium sulfide Strontium sulfide is used as an additive in fireworks because it creates a bright red flame when burnt. It is also used in depilatories and luminous paints, being a phosphor.-External links:*...	1314-96-1
SrSCN	strontium thiocyanate	18807-10-8
SrSO₃	strontium sulfite	13451-02-0
SrS₂O₆	strontium dithionate	13845-16-4
SrSe	strontium selenide	1315-07-7
SrSeO₄	strontium selenate	7446-21-1
SrSiO₄	strontium silicate	12712-63-9
SrSnO₃	strontium stannate	12143-34-9
SrTiO₃	strontium titanate Strontium titanate Strontium titanate is an oxide of strontium and titanium with the chemical formula SrTiO3. At room temperature, it is a centrosymmetric paraelectric material with a perovskite structure...	12060-59-2
SrWO₄	strontium tungstate	13451-05-3
SrZrO₃	strontium zirconate	12036-39-4
Sr₃P₂	strontium phosphide	12504-16-4

T

Chemical formula	Synonyms	CAS number
TaAl₃	tantalum(III) aluminide Tantalum(III) aluminide Tantalum aluminide is an inorganic chemical compound. This compound and Ta3Al are stable, refractory, and reflective, and they have been proposed as coatings for use in infrared wave mirrors....	12004-76-1
TaBr₃	tantalum(III) bromide	13842-73-4
TaBr₄	tantalum(IV) bromide	13842-76-7
TaBr₅	tantalum(V) bromide Tantalum(V) bromide Tantalum bromide is the inorganic compound with the formula Ta2Br10. It is a diamagnetic yellow solid that hydrolyses readily. The compound adopts an edge-shared bioctahedral structure, which means that two square pyramidal TaBr5 subunits are joined by a pair of bridging bromide ligands...	13451-11-1
TaC	tantalum(IV) carbide	12070-06-3
TaCl₃	tantalum(III) chloride	13569-67-0
TaCl₄	tantalum(IV) chloride	13569-72-7
TaCl₅	tantalum(V) chloride Tantalum(V) chloride Tantalum chloride, also known as tantalum pentachloride, is the inorganic compound with the formula TaCl5. This white powder is a starting material in tantalum chemistry. It hydrolyzes readily, releasing HCl. TaCl5 is prepared by heating tantalum metal in chlorine...	7721-01-9
TaF₃	tantalum(III) fluoride	13814-17-0
TaF₅	tantalum(V) fluoride Tantalum(V) fluoride Tantalum fluoride is the inorganic compound with the formula TaF5. It is one of the principal molecular compounds of tantalum. Characteristic of some other pentafluorides, the compound is volatile but exists as an oligomer in the solid state....	7783-71-3
TaI₄	tantalum(IV) iodide	14693-80-2
TaI₅	tantalum(V) iodide	14693-81-3
TaN	tantalum(III) nitride Tantalum(III) nitride Tantalum nitride is an inorganic chemical compound. It is sometimes used to create barrier or "glue" layers between copper, or other conductive metals, and dielectric insulator films such as thermal oxides...	12033-62-4
TaO	tantalum(II) oxide	12035-90-4
TaO₂	tantalum(IV) oxide	12036-14-5
TaS	tantalum(II) sulfide	41203-00-3
TaS₂	tantalum(IV) sulfide Tantalum(IV) sulfide Tantalum sulfide is the inorganic compound with the formula TaS2. It is a layered compound with three-coordinate sulfide centres and trigonal prismatic metal centres. It is structurally similar to the more famous material MoS2...	12143-72-5
TaSe₂	tantalum(IV) selenide	12039-55-3
TaSi₂	tantalum(IV) silicide	12039-79-1
TaTe₂	tantalum(IV) telluride	12067-66-2
Ta₂H	tantalum hydride	12026-09-4
Ta₂O₅	tantalum(V) oxide	1314-61-0
TbBr₃	terbium(III) bromide Terbium(III) bromide Terbium bromide is a chemical compound....	14456-47-4
Tb(CHO₂)₃	terbium(III) formate	3252-57-1
TbCl₃	terbium(III) chloride Terbium(III) chloride Terbium chloride is a chemical compound. In the solid state TbCl3 has the YCl3 layer structure. Terbium chloride frequently forms a hexahydrate.-Hazards:Terbium chloride causes hyperemia of the iris....	10042-88-3
TbF₂	terbium(II) fluoride	107949-15-5
TbF₃	terbium(III) fluoride	13708-63-9
TbF₄	terbium(IV) fluoride	36781-15-4
TbI₃	terbium(III) iodide Terbium(III) iodide Terbium iodide is an inorganic chemical compound....	13813-40-6
TbN	terbium(III) nitride	12033-64-6
TbO₂	terbium(IV) oxide	12036-15-6
TbSi₂	terbium(IV) silicide	12039-80-4
Tb₂O₃	terbium(III) oxide Terbium(III) oxide Terbium oxide, also known as terbium sesquioxide, is a sesquioxide of the rare earth metal terbium, having chemical formula . It is a p-type semiconductor when doped with calcium, and may be prepared by the reduction of in hydrogen at 1300 °C for 24 hours.It is a p-type semiconductor.It is a basic...	12036-41-8
Tb₂S₃	terbium(III) sulfide	12138-11-3
Tb₂Se₃	terbium(III) selenide	12166-48-2
TcBr₄	technetium(IV) bromide	74078-05-0
TcCl₄	technetium(IV) chloride Technetium(IV) chloride Technetium chloride is the chemical compound composed of technetium and chlorine with the formula TcCl4 which has been investigated as a method of separating technetium from other volatile chlorides....	14215-13-5
TcCl₆	technetium(VI) chloride	31227-43-7
TcF₅	technetium(V) fluoride	31052-14-9
TcF₆	technetium(VI) fluoride Technetium(VI) fluoride Technetium fluoride is a yellow inorganic compound with a low melting point. It was first identified in 1961. In this compound, technetium has an oxidation state of +6, the highest oxidation state found in the technetium halides. The other such compound is technetium chloride, TcCl6...	13842-93-8
TcO₂	technetium(IV) oxide	12036-16-7
TcS₂	technetium(IV) sulfide	34312-50-0
Tc₂O₇	technetium(VII) oxide	12165-21-8
TeBr₂	tellurium dibromide Tellurium dibromide Ditellurium bromide is the inorganic compound with the formula Te2Br. It is one of the few stable lower bromides of tellurium. Unlike sulfur and selenium, tellurium forms families of polymeric subhalides where the chalcogen/halide ratio is less than 2....	7789-54-0
TeBr₄	tellurium tetrabromide Tellurium tetrabromide Tellurium tetrabromide is an inorganic chemical compound. It has a similar tetrameric structure to TeCl4. It can be made by reacting bromine and tellurium.. In the vapour TeBr4 dissociates :It is a conductor when molten, dissociating into the ions TeBr3+ and Br−Solutions in benzene and...	10031-27-3
TeCl₂	tellurium dichloride Tellurium dichloride Tritellurium dichloride is the inorganic compound with the formula Te3Cl2. It is one of the more stable lower chlorides of tellurium.-Preparation and properties:...	10025-71-5
TeCl₄	tellurium tetrachloride Tellurium tetrachloride Tellurium tetrachloride is the inorganic compound with the empirical formula TeCl4. The compound is volatile, subliming at 200 °C at 0.1 mm Hg. Molten TeCl4 is ionic, dissociating into ions TeCl3+ and Te2Cl102−.-Structure:...	10026-07-0
TeF₄	tellurium tetrafluoride Tellurium tetrafluoride Tellurium tetrafluoride, TeF4, is a stable, white, hygroscopic crystalline solid and is one of two fluorides of tellurium. The other binary fluoride is tellurium hexafluoride. The widely reported Te2F10 has been shown to be F5TeOTeF5 There are other tellurium compounds that contain fluorine, but...	15192-26-4
TeF₆	tellurium hexafluoride Tellurium hexafluoride Tellurium hexafluoride is the oldest known fluoride of tellurium. It is a colorless, highly toxic gas with an extremely unpleasant smell.-Preparation:...	7783-80-4
TeI	tellurium monoiodide	12600-42-9
TeI₄	tellurium tetraiodide Tellurium tetraiodide Tellurium tetraiodide is an inorganic chemical compound. It has a tetrameric structure which is different from the tetrameric solid forms of TeCl4 and TeBr4. In TeI4 the Te atoms are octahedrally coordinated and edges of the octahedra are shared....	7790-48-9
TeO	tellurium monoxide	13451-17-7
TeO₂	tellurium dioxide Tellurium dioxide Tellurium dioxide is a solid oxide of tellurium. It is encountered in two different forms, the yellow orthorhombic mineral tellurite, β-TeO2, and the synthetic, colourless tetragonal , α-TeO2...	7446-07-3
TeO₃	tellurium trioxide Tellurium trioxide Tellurium trioxide is an inorganic chemical compound of tellurium and oxygen. In this compound, tellurium is in the +6 oxidation state.-Polymorphs:There are two forms, yellow-red α-TeO3 and grey, rhombohedral, β-TeO3 which is less reactive....	13451-18-8
TeS₂	tellurium disulfide	7446-07-3
ThBr₄	thorium(IV) bromide	13453-49-1
ThC	thorium(IV) carbide Thorium(IV) carbide Thorium carbide is an inorganic chemical compound.-References:...	12012-16-7
Th(CO₃)₂	thorium(II) carbonate	19024-62-5
ThCl₄	thorium(IV) chloride Thorium(IV) chloride Thorium chloride is an inorganic chemical compound. It is 8-coordinate and adopts a dodecahedron geometry. Thorium tetrabromide is isostructural. Thorium chloride dissolves in water to give the thorium dichloride ion:-References:...	10026-08-1
ThF₃	thorium(III) fluoride	13842-84-7
ThF₄	thorium(IV) fluoride Thorium(IV) fluoride Thorium fluoride is an inorganic chemical compound. It is a white, hygroscopic powder which can be produced by reacting thorium with fluorine gas. At temperatures above 500 °C, it reacts with atmospheric moisture to produce ThOF2.-Uses:...	13709-59-6
ThH₂	thorium(II) hydride	16689-88-6
ThI₂	thorium(II) iodide	13779-95-8
ThI₃	thorium(III) iodide	13779-96-9
ThI₄	thorium(IV) iodide Thorium(IV) iodide Thorium iodide is an inorganic chemical compound....	7790-49-0
ThN	thorium(III) nitride	12033-65-7
Th(NO₃)₄	thorium(IV) nitrate	13823-29-5
ThO₂	thorium(IV) oxide	1314-20-1
ThS	thorium(II) sulfide	12039-06-4
ThS₂	thorium(IV) sulfide Thorium(IV) sulfide Thorium sulfide is an inorganic chemical compound composed of one thorium atom ionically bonded to two atoms of sulfur. It is dark brown and has a melting point of 1905°C. The thorium in the compopund is unstable and decays by emitting alpha radiation. ThS2 atopts the same lattice structure as TiO2....	12138-07-7
ThSe₂	thorium(IV) selenide	60763-24-8
ThSiO₄	thorium(IV) orthosilicate Thorium(IV) orthosilicate Thorium orthosilicate is an inorganic chemical compound.-References:...	14553-44-7
ThSi₂	thorium(IV) silicide	12067-54-8
Th₂S₃	thorium(III) sulfide	12286-35-0
TiBr₂	titanium(II) bromide	13783-04-5
TiBr₃	titanium(III) bromide	13135-31-4
TiBr₄	titanium(IV) bromide	7789-68-6
TiC	titanium(IV) carbide	12070-08-5
TiC₈H₂₀O₄	titanium(IV) ethoxide	3087-36-3
TiCl₂	titanium(II) chloride Titanium(II) chloride Titanium chloride is the chemical compound with the formula TiCl2. The black solid has been studied only moderately, probably because of its high reactivity. Ti is a strong reducing agent: it has a high affinity for oxygen and reacts irreversibly with water to produce H2. The usual preparation is...	10049-06-6
TiCl₃	titanium(III) chloride Titanium(III) chloride Titanium chloride is the inorganic compound with the formula TiCl3. At least four distinct species have this formula; additionally hydrated derivatives are known...	7705-07-9
TiCl₄	titanium(IV) chloride	7550-45-0
TiF₂	titanium(II) fluoride	13814-20-5
TiF₃	titanium(III) fluoride Titanium(III) fluoride Titanium fluoride is a chemical compound.Conditions/substances to avoid are: strong acids....	13470-08-1
TiF₄	titanium(IV) fluoride Titanium(IV) fluoride Titanium fluoride is the inorganic compound with the formula TiF4. It is a white hygroscopic solid. In contrast to the other halides of titanium, it adopts a polymeric structure consisting of octahedral Ti centres.-Preparation:...	7783-63-3
TiH₂	titanium(II) hydride Titanium(II) hydride Titanium hydride is a chemical compound of titanium and hydrogen, a hydride. It is highly reactive and needs to be kept away from heat and strong oxidizers....	7704-98-5
TiI₂	titanium(II) iodide	13783-07-8
TiI₃	titanium(III) iodide	13783-08-9
TiI₄	titanium(IV) iodide	7720-83-4
TiN	titanium(III) nitride	25583-20-4
TiO	titanium(II) oxide Titanium(II) oxide Titanium oxide is an inorganic chemical compound of titanium and oxygen. It can be prepared from titanium dioxide and titanium metal at 1500°C. It is non-stoichiometric in a range TiO0.7 to TiO1.3 and this is caused by vacancies of either Ti or O in the defect rock salt structure . In pure TiO...	12137-20-1
TiO₂	titanium(IV) oxide	13463-67-7
TiP	titanium(III) phosphide Titanium(III) phosphide Titanium phosphide is an inorganic chemical compound of titanium and phosphorus. Normally encountered as a grey powder, it is high melting and a metallic conductor. It is not attacked by common acids or water...	12037-65-9
TiS	titanium(II) sulfide Titanium(II) sulfide Titanium sulfide is an inorganic chemical compound of titanium and sulfur.A meteorite, "Yamato 691", contains tiny flecks of this compound, making it a new mineral called Wassonite....	12039-07-5
Ti(SO₄)₂	titanium(IV) sulfide	18130-44-4
TiS₂	titanium(IV) sulfide	12039-13-3
TiSi₂	titanium(IV) silicide Titanium(IV) silicide Titanium disilicide is an inorganic chemical compound.Titanium silicide is used in semiconductor industry. It's typically grown by means of salicide technology over silicon and polysilicon lines to reduce the sheet resistance of local transistors connections.In microelectronic industry is...	12039-83-7
Ti₂O₃	titanium(III) oxide Titanium(III) oxide Titanium oxide is a chemical compound of titanium and oxygen. It is prepared by reacting titanium dioxide with titanium metal at 1600°C....	1344-54-3
Ti₂(SO₄)₃	titanium(III) sulfide	10343-61-0
Ti₂S₃	titanium(III) sulfide	12039-16-6
Ti₃O₅	titanium(III,IV) oxide	12065-65-5
TlBr	thallium(I) bromide Thallium(I) bromide Thallium bromide , a chemical compound, available in an ultra-pure state is a compound semiconductor; used in room temperature X- and gamma-ray detectors and blue sensitive photodetectors; used as a real-time x-ray image sensor; also used as a standard for elemental thallium.The crystalline...	7789-40-4
TlCHO₂	thallium(I) formate	992-98-3
TlCN	thallium(I) cyanide	13453-34-4
TlC₂H₃O₂	thallium(I) acetate	563-68-8
TlC₂H₅O	thallium(I) ethoxide	20398-06-5
TlCl	thallium(I) chloride Thallium(I) chloride Thallium chloride is the chemical compound with the formula TlCl. This colourless solid is an intermediate in the isolation of thallium from its ores. Typically, an acidic solution of thallium sulfate is treated with hydrochloric acid to precipitate insoluble thallium chloride...	7791-12-0
TlClO₃	thallium(I) chlorate	13453-30-0
TlClO₄	thallium(I) perchlorate	13453-40-2
TlCl₂	thallium(II) chloride	15230-71-4
TlCl₃	thallium(III) chloride	13453-32-2
TlF	thallium(I) fluoride Thallium(I) fluoride Thallium fluoride is the chemical compound composed of thallium and fluorine with the formula TlF. It consists of hard white orthorhombic crystals which are slightly deliquescent in humid air but revert to the anhydrous form in dry air...	7789-27-7
TlF₃	thallium(III) fluoride	7783-57-5
TlI	thallium(I) iodide Thallium(I) iodide Thallium iodide is a chemical compound of formula TlI. It is unusual in being one of the few water-insoluble metal iodides, along with AgI, PbI2 and HgI2.-Chemistry:...	7790-30-9
TlIO₃	thallium(III) iodate	14767-09-0
TlI₃	thallium(I) triiodide	60488-29-1
TlNO₃	thallium(I) nitrate	10102-45-1
Tl(NO₃)₃	thallium(III) nitrate Thallium(III) nitrate Thallium nitrate, also known as thallic nitrate, is a thallium compound with chemical formula Tl3. It is normally found as the trihydrate. It is a colorless and highly toxic solid. It is a strong oxidizing agent, both from the nitrate and the thallium ion. It is extremely dangerous upon contact...	13746-98-0
TlOH	thallium(I) hydroxide Thallium(I) hydroxide Thallium hydroxide, also called thallous hydroxide, TlOH, is a hydroxide of thallium, with thallium in oxidation state +1. Thallous hydroxide is a strong base; it is changed to thallous ion, Tl+, except in strongly basic conditions.-References:...	12026-06-1
TlPF₆	thallium(I) hexafluorophosphate	60969-19-9
Tl₂Br₄	thallium(I,III) bromide	13453-28-6
Tl₂CO₃	thallium(I) carbonate Thallium(I) carbonate Thallium carbonate is a chemical compound. It can be used for the manufacture of imitation diamonds, in chemical analysis to test for carbon disulfide, and as a fungicide. Like other thallium compounds, it is considered extremely toxic, with an oral median lethal dose of 21 mg/kg in mice...	6533-73-9
Tl₂C₂O₄	thallium(I) oxalate	30737-24-7
Tl₂MoO₄	thallium(I) molybdate	34128-09-1
Tl₂O	thallium(I) oxide	1314-12-1
Tl₂O₃	thallium(III) oxide Thallium(III) oxide Thallium oxide is a chemical compound of thallium and oxygen. It occurs in nature as the rare mineral avicennite. Its structure is related to that of Mn2O3 which has a bixbyite like structure. Tl2O3 is metallic with high conductivity and is a degenerate n-type semiconductor which may have...	1314-32-5
Tl₂S	thallium(I) sulfide Thallium(I) sulfide Thallium sulfide, Tl2S, is a chemical compound of thallium and sulfur.It was used in some of the earliest photo-electric detectors by T. Case who developed the so-called thalofide cell, used in early film projectors...	1314-97-2
Tl₂SO₄	thallium(I) sulfate Thallium(I) sulfate Thallium sulfate , archaically known as thallous sulfate, is the sulfate salt of thallium. It is colorless, odorless, and tasteless, but highly toxic.-Uses:...	7446-18-6
Tl₂Se	thallium(I) selenide	15572-25-5
Tl₂SeO₄	thallium(I) selenate	7446-22-2
Tl₂Te	thallium(I) telluride	12040-13-0
TmBr₂	thulium(II) bromide	64171-97-7
TmBr₃	thulium(III) bromide	14456-51-0
TmCl₂	thulium(II) chloride	22852-11-5
TmCl₂•7H₂O	thulium(II) chloride heptahydrate	13778-39-7
TmCl₃	thulium(III) chloride Thulium(III) chloride Thulium chloride or thulium trichloride is the chemical compound composed of thulium and chlorine with the formula TmCl3. It forms yellow crystals. Thulium chloride has the YCl3 layer structure with octahedral thulium ions.-Reactions:...	13537-18-3
TmF₃	thulium(III) fluoride	13760-79-7
TmI₂	thulium(II) iodide	60864-26-8
TmI₃	thulium(III) iodide	13813-43-9
Tm(NbO₃)₂	thulium(II) niobate	97086-52-7
Tm₂O₃	thulium(III) oxide Thulium(III) oxide Thulium oxide is a pale green solid compound, with the formula Tm2O3. It was first isolated in 1878 from an impure sample of erbia by Per Teodor Cleve, who named it thulia....	12036-44-1
Tm₂S₃	thulium(III) sulfide	12166-30-2

U

Chemical formula	Synonyms	CAS number
UBr₃	uranium(III) bromide	13470-19-4
UBr₄	uranium(IV) bromide	13470-20-7
UBr₅	uranium(V) bromide	13775-16-1
UC	uranium(IV) carbide	12070-09-6
UC₂	uranium(VI) carbide	12071-33-9
UCl₃	uranium(III) chloride Uranium(III) chloride Uranium chloride , UCl3, is a chemical compound that contains the earth metal uranium and chlorine. UCl3 is used mostly to reprocess spent nuclear fuel. Uranium chloride is synthesized various ways from uranium chloride; however, UCl3 is less stable than UCl4.-Preparation:There are two ways to...	10025-93-1
UCl₄	uranium(IV) chloride	10026-10-5
UCl₅	uranium(V) chloride	13470-21-8
UCl₆	uranium(VI) chloride	13763-23-0
UF₃	uranium(III) fluoride	13775-06-9
UF₄	uranium(IV) fluoride	10049-14-6
UF₅	uranium(V) fluoride	13775-07-0
UF₆	uranium(VI) fluoride	7783-81-5
UH₃	uranium(III) hydride	13598-56-6
UI₃	uranium(III) iodide	13775-18-3
UI₄	uranium(IV) iodide	13470-22-9
UN	uranium(III) nitride	25658-43-9
UO	uranium(II) oxide	13598-56-6
UO₂	uranium(IV) oxide	1344-57-6
UO₃	uranium(VI) oxide	1344-58-7
US	uranium(II) sulfide	12039-11-1
USe₃	uranium(VI) selenide	12138-23-7
UTe₂	uranium(IV) telluride	12138-37-3
UTe₃	uranium(VI) telluride	12040-18-5
U₂O₅	uranium(V) oxide	12065-66-6
U₂S₃	uranium(II) sulfide	12138-13-5
U₃N₂	uranium(II) nitride	12033-85-1
U₃O₈	uranium(V,VI) oxide	1344-59-8
U₄O₉	uranium(IV,V) oxide	12037-15-9

V

Chemical formula	Synonyms	CAS number
VBr₂	vanadium(II) bromide	14890-41-6
VBr₃	vanadium(III) bromide Vanadium(III) bromide Vanadium bromide, also known as vanadium tribromide, is VBr3. In the solid-state, this species is a polymeric with octahedral vanadium surrounded by six bromide ligands....	13470-26-3
VBr₄	vanadium(IV) bromide	13595-30-7
VC	vanadium(IV) carbide	12070-10-9
VCl₂	vanadium(II) chloride Vanadium(II) chloride Vanadium chloride is the inorganic compound with the formula VCl2. This purple solid is the most reduced vanadium chloride. Like other metal dihalides, it is a polymer...	10580-52-6
VCl₃	vanadium(III) chloride Vanadium(III) chloride Vanadium trichloride is the inorganic compound with the formula VCl3. This purple salt is a common precursor to other vanadium complexes.-Structure:...	7718-98-1
VCl₄	vanadium(IV) chloride	7632-51-1
VF₂	vanadium(II) fluoride	13842-80-3
VF₃	vanadium(III) fluoride Vanadium(III) fluoride Vanadium fluoride is the chemical compound with the formula VF3. This gray-green, refractory solid is obtained in a two-step procedure from V2O3...	10049-12-4
VF₄	vanadium(IV) fluoride Vanadium(IV) fluoride Vanadium fluoride is a chemical compound of vanadium and fluorine. VF4 can be prepared by reacting VCl4 with HF in CCl3F at 25 °C. VF4 decomposes at approximately 150°C to form VF3....	10049-16-8
VF₅	vanadium(V) fluoride	7783-72-4
VH	vanadium(I) hydride	13966-93-3
VI₂	vanadium(II) iodide	15513-84-5
VI₃	vanadium(III) iodide Vanadium(III) iodide Vanadium iodide is the inorganic compound with the formula VI3. This paramagnetic solid is generated by the reaction of vanadium powder with iodine at around 500 °C...	15513-94-7
VI₄	vanadium(IV) iodide	15831-18-2
VN	vanadium(III) nitride Vanadium(III) nitride Vanadium nitride, VN, is a chemical compound of vanadium and nitrogen.Vanadium nitride is formed during the nitriding of steel and increases wear resistance. Another phase, V2N, also referred to as vanadium nitride, can be formed along with VN during nitriding. VN has a cubic, rock salt structure...	24646-85-3
VO	vanadium(II) oxide Vanadium(II) oxide Vanadium oxide, VO, is one of the many oxides of vanadium. VO is a long-lived, electronically neutral reagent chemical. It adopts a distorted NaCl structure and contains weak V-V metal to metal bonds. As shown by band theory, VO is a conductor of electricity due to its partially filled conduction...	12035-98-2
VOCl₃	vanadium(V) oxytrichloride	7727-18-6
VOF₃	vanadium(V) oxytrifluoride Vanadium(V) oxytrifluoride Vanadium oxytrifluoride is a chemical compound with the formula VOF3. It is one of several vanadium oxyhalides. Characteristic of early metal fluorides, the structure is polymeric in the solid state. The solid adopts a layered structure but upon evaporation, the species becomes dimeric...	13709-31-4
VO₂	vanadium(IV) oxide Vanadium(IV) oxide Vanadium oxide is the chemical compound VO2. It is formed in the contact process from V2O5, which acts as a catalyst.Vanadium oxide is amphoteric, dissolving in non-oxidising acids to give the vanadyl ion, [VO]2+ and in alkali to give the [V4O9]2− ion, or at high pH [VO4]4−...	12036-21-4
VOSO₄	vanadyl sulfate	27774-13-6
VS₂	vanadium(IV) sulfide	12166-28-8
VSe₂	vanadium(IV) selenide	12299-51-3
VSi₂	vanadium(IV) silicide	12039-87-1
VTe₂	vanadium(IV) telluride	35515-91-4
V₂O₃	vanadium(III) oxide Vanadium(III) oxide Vanadium trioxide is the chemical compound V2O3. It is prepared by reduction of V2O5 with hydrogen or carbon monoxide.It is a basic oxide dissolving in acids to give reducing vanadium solutions. V2O3 has the corundum structure. It is antiferromagnetic with a critical temperature of 160 K...	1314-34-7
V₂O₅	vanadium(V) oxide Vanadium(V) oxide Vanadium oxide is the chemical compound with the formula V2O5. Commonly known as vanadium pentoxide, this brown/yellow solid is the most stable and common compound of vanadium. Upon heating it reversibly loses oxygen...	1314-62-1
V₂(SO₄)₃	vanadium(III) sulfate	13701-70-7
V₂S₃	vanadium(III) sulfide	1315-03-3
V₃Si	vanadium(II) silicide	12039-76-8

W

Chemical formula	Synonyms	CAS number
WBr₂	tungsten(II) bromide	13470-10-5
WBr₃	tungsten(III) bromide	15163-24-3
WBr₄	tungsten(IV) bromide	14055-81-3
WBr₅	tungsten(V) bromide Tungsten(V) bromide Tungsten bromide is the inorganic compound with the formula . The compound consists of bioctahedral structure, with two bridging bromide ligands.-Preparation and structure:...	13470-11-6
WBr₆	tungsten(VI) bromide	13701-86-5
WC	tungsten(IV) carbide	12070-12-1
WCl₂	tungsten(II) chloride	13470-12-7
WCl₃	tungsten(III) chloride	20193-56-0
WCl₄	tungsten(IV) chloride	13470-13-8
WCl₅	tungsten(V) chloride Tungsten(V) chloride Tungsten chloride is an inorganic compound with the formula W2Cl10. This compound is analogous in many ways to the more familiar molybdenum pentachloride....	13470-14-9
WCl₆	tungsten(VI) chloride	13283-01-7
WF₄	tungsten(IV) fluoride	13766-47-7
WF₅	tungsten(V) fluoride	19357-83-6
WF₆	tungsten(VI) fluoride Tungsten(VI) fluoride Tungsten fluoride, also known as tungsten hexafluoride, is the inorganic compound of tungsten and fluorine with the formula WF6. This corrosive, colorless compound is a gas under standard conditions. With a density of about 13 g/L , WF6 is one of the heaviest known gases under standard conditions...	7783-82-6
WI₂	tungsten(II) iodide	13470-17-2
WI₃	tungsten(III) iodide	15513-69-6
WI₄	tungsten(IV) iodide	14055-84-6
WOBr₃	tungsten(V) oxytribromide	20213-56-3
WOBr₄	tungsten(VI) oxytetrabromide Tungsten(VI) oxytetrabromide Tungsten oxytetrabromide is an inorganic chemical compound....	13520-77-9
WOCl₃	tungsten(V) oxytrichloride	14249-98-0
WOCl₄	tungsten(VI) oxytetrachloride Tungsten(VI) oxytetrachloride Tungsten oxytetrachloride,also known as Tungsten tetrachloride oxide, is an inorganic compound with the formula WOCl4. This diamagnetic solid is used to prepare other complexes of tungsten. The orange-coloured compound is soluble in nonpolar solvents but it reacts with alcohols and water and...	13520-78-0
WOF₄	tungsten(VI) oxytetrafluoride Tungsten(VI) oxytetrafluoride Tungsten oxytetrafluoride is an inorganic chemical compound.-References:...	13520-79-1
WO₂	tungsten(IV) oxide Tungsten(IV) oxide Tungsten dioxide is the chemical compound with the formula WO2. The bronze-colored solid crystallizes in a monoclinic cell. The rutile-like structure features distorted octahedral WO6 centers with alternate short W–W bonds...	12036-22-5
WO₂Br₂	tungsten(VI) dioxydibromide	13520-75-7
WO₂Cl₂	tungsten(VI) dioxydichloride	13520-76-8
WO₂I₂	tungsten(VI) dioxydiiodide	14447-89-3
WO₃	tungsten(VI) oxide	1314-35-8
WS₂	tungsten(IV) sulfide Tungsten(IV) sulfide Tungsten sulfide is the chemical compound with the formula WS2. It occurs naturally as the rare mineral called tungstenite. This material is a component of certain catalysts used for hydrodesulfurization and hydrodenitrification....	12138-09-9
WS₃	tungsten(VI) sulfide	12125-19-8
WSe₂	tungsten(IV) selenide	12067-46-8
WSi₂	tungsten(IV) silicide Tungsten(IV) silicide Tungsten disilicide, or just tungsten silicide is an inorganic compound, a silicide of tungsten. It is an electrically conductive ceramic material.-Chemistry:...	12039-88-2
WTe₂	tungsten(IV) telluride Tungsten(IV) telluride Tungsten telluride is an inorganic chemical compound....	12067-76-4

X

Chemical formula	Synonyms	CAS number
XeF	xenon monofluoride	16757-14-5
XeF₂	xenon difluoride Xenon difluoride Xenon difluoride is a powerful fluorinating agent with the chemical formula , and one of the most stable xenon compounds. Like most covalent inorganic fluorides it is moisture sensitive. It decomposes on contact with light or water vapour. Xenon difluoride is a dense, white crystalline solid. It...	13709-36-9
XeF₄	xenon tetrafluoride Xenon tetrafluoride Xenon tetrafluoride is a chemical compound with chemical formula . It was the first discovered binary compound of a noble gas. It is produced by the chemical reaction of xenon with fluorine, , according to the chemical equation:...	13709-61-0
XeF₆	xenon hexafluoride Xenon hexafluoride Xenon hexafluoride is a noble gas compound with the formula XeF6 and the highest of the three binary fluorides of xenon, the other two being XeF2 and XeF4. All are exergonic and stable at normal temperatures. XeF6 is the strongest fluorinating agent of the series...	13693-09-9
XeOF₄	xenon oxytetrafluoride Xenon oxytetrafluoride Xenon oxytetrafluoride is an inorganic chemical compound. As are all xenon compounds, it is extremely reactive and unstable, and hydrolyses in water to give dangerously hazardous and corrosive products:...	13774-85-1
XeO₂F₂	xenon dioxydifluoride	13875-06-4
XeO₃	xenon trioxide Xenon trioxide Xenon trioxide is an unstable compound of xenon in its +6 oxidation state. It is a very powerful oxidizing agent, and liberates oxygen from water slowly , accelerated by exposure to sunlight. It is dangerously explosive upon contact with organic materials...	13776-58-4
XeO₄	xenon tetroxide Xenon tetroxide Xenon tetroxide is a chemical compound of xenon and oxygen with molecular formula XeO4, remarkable for being a relatively stable compound of a noble gas...	12340-14-6

Y

Chemical formula	Synonyms	CAS number
YAs	yttrium(III) arsenide Yttrium(III) arsenide Yttrium arsenide is an inorganic chemical compound....	12255-48-0
YB₆	yttrium(III) boride	12008-32-1
YBr₃	yttrium(III) bromide Yttrium(III) bromide Yttrium bromide is an inorganic chemical compound....	13469-98-2
Y(CHO₂)₃	yttrium(III) formate	15331-71-2
YC₂	yttrium(II) carbide	12071-35-1
Y(CF₃SO₃)₃	yttrium(III) trifluoromethanesulfonate	52093-30-8
YCl₃	yttrium(III) chloride Yttrium(III) chloride Yttrium chloride is an ionic compound of yttrium and chlorine. It is a salt that is solid at room temperature, highly soluble in water, and deliquescent...	10361-92-9
YF₃	yttrium(III) fluoride Yttrium(III) fluoride Yttrium fluoride is an inorganic chemical compound with the chemical formula YF3. It is not known naturally in 'pure' form. The fluoride minerals containing essential yttrium include tveitite- 6Ca6Ca6F42 and gagarinite- NaCaY6...	13709-49-4
YH₂	yttrium(II) hydride	13598-35-1
YH₃	yttrium(III) hydride	13598-57-7
YI₃	yttrium(III) iodide	13470-38-7
YN	yttrium(III) nitride	25764-13-0
YP	yttrium(III) phosphide	12294-01-8
YSb	yttrium(III) antimonide Yttrium(III) antimonide Yttrium antimonide is an inorganic chemical compound....	12186-97-9
YVO₄	yttrium(III) vanadate	13566-12-6
Y₂O₃	yttrium(III) oxide Yttrium(III) oxide Yttrium oxide is Y2O3. It is an air-stable, white solid substance. Yttrium oxide is used as a common starting material for both materials science as well as inorganic compounds.-Materials science:...	1314-36-9
Y₂S₃	yttrium(III) sulfide Yttrium(III) sulfide Yttrium sulfide is an inorganic chemical compound....	12039-19-9
YbBr₂	ytterbium(II) bromide	25502-05-0
YbBr₃	ytterbium(III) bromide Ytterbium(III) bromide Ytterbium bromide is an inorganic chemical compound.Refer to the adjacent table for the main properties of Ytterbium bromide.Conditions/substances to avoid in the use of Ytterbium bromide are: moisture, water and oxidizing agents...	13759-89-2
YbCl₂	ytterbium(II) chloride Ytterbium(II) chloride Ytterbium chloride is an inorganic chemical compound. It was first prepared in 1929 by W.K. Klemm and W. Schuth, by reduction of ytterbium chloride, YbCl3, using hydrogen....	13874-77-6
YbCl₃	ytterbium(III) chloride Ytterbium(III) chloride Ytterbium chloride is an inorganic chemical compound.-History:Ytterbium, a Lanthanide series element, was discovered in 1878 by Marignac who named the element after a town in Sweden. The first synthesis of YbCl3 in the literature was that of Hoogschagen, in 1946...	10361-91-8
YbCl₃•6H₂O	ytterbium(III) chloride hexahydrate	19423-87-1
YbF₂	ytterbium(II) fluoride	15192-18-4
YbF₃	ytterbium(III) fluoride Ytterbium(III) fluoride Ytterbium fluoride is an inorganic chemical compound....	13760-80-0
YbI₂	ytterbium(II) iodide	19357-86-9
YbI₃	ytterbium(III) iodide	13813-44-0
YbSe	ytterbium(II) selenide	12039-54-2
YbSi₅	ytterbium(V) silicide	12039-89-3
YbTe	ytterbium(II) telluride	12125-58-5
Yb₂O₃	ytterbium(III) oxide Ytterbium(III) oxide Ytterbium oxide is the chemical compound with the formula Yb2O3. It is one of the more commonly encountered compounds of ytterbium. It has the "rare-earth C-type sesquioxide" structure which is related to the fluorite structure with one quarter of the anions removed, leading to ytterbium atoms in...	1314-37-0
Yb₂S₃	ytterbium(III) sulfide	12039-20-2
Yb₂Se₃	ytterbium(III) selenide	12166-52-8

Z

Chemical formula	Synonyms	CAS number
Zn(AsO₂)₂	zinc arsenite	10326-24-6
Zn(AsO₃)₂	zinc arsenide Zinc arsenide Zinc arsenide is a binary compound of zinc with arsenic which forms gray tetragonal crystals....	12006-40-5
ZnBr₂	zinc bromide Zinc bromide Zinc bromide is a inorganic compound with the chemical formula ZnBr2. It is a colourless salt that shares many properties with zinc chloride , namely a high solubility in water forming acidic solutions, and solubility in organic solvents...	7699-45-8
Zn(CN)₂	zinc cyanide Zinc cyanide Zinc cyanide is the inorganic compound with the formula Zn2. It is a white solid that is used mainly for electroplating zinc but also has more specialized applications for the synthesis of organic compounds.-Structure, properties, synthesis:...	557-21-1
ZnCO₃	zinc carbonate	3486-35-9
Zn(C₂H₃O₂)₂	zinc acetate Zinc acetate Zinc acetate is the chemical compound with the formula Zn2, which commonly occurs as a dihydrate Zn22. Both the hydrate and the anhydrous forms are colorless solids that are commonly used in chemical synthesis and as dietary supplements. Zinc acetates are prepared by the action of acetic acid on...	557-34-6
ZnC₂O₄	zinc oxalate	547-68-2
ZnC₃H₇O₆P	zinc glyercophosphate	1300-26-1
ZnC₄H₂O₄	zinc fumarate	52723-61-2
ZnC₄H₄O₄	zinc succinate	6228-53-1
ZnC₆H₁₀O₄	zinc propionate	557-28-8
ZnC₆H₁₀O₆	zinc lactate	16039-53-5
ZnC₆H₁₂N₂S₄	zinc dimethyldithiocarbonate	137-30-4
Zn(C₈H₁₅O₂)₂	zinc caprylate	557-09-5
ZnC₁₀H₂₀N₂S₄	zinc dimethyldithiocarbamate	14324-55-1
Zn(C₁₈H₃₅O₂)₂	zinc stearate Zinc stearate Zinc stearate is a zinc soap that repels water. It is insoluble in polar solvents such as alcohol and ether but soluble in aromatic hydrocarbons when heated. It is the most powerful mold release agent among all metal soaps. It contains no electrolyte and has a hydrophobic effect...	557-05-1
Zn(ClO₃)₂	zinc chlorate Zinc chlorate Zinc chlorate is an inorganic chemical compound used as a oxidizing agent in explosives....	10361-95-2
Zn(ClO₄)₂	zinc perchlorate	10025-64-6
ZnCl₂	zinc chloride Zinc chloride Zinc chloride is the name of chemical compound with the formula ZnCl2 and its hydrates. Zinc chlorides, of which nine crystalline forms are known, are colorless or white, and are highly soluble in water. ZnCl2 itself is hygroscopic and even deliquescent. Samples should therefore be protected from...	7646-85-7
ZnCrO₄	zinc chromate Zinc chromate Zinc chromate, ZnCrO4, is a chemical compound containing the chromate anion, appearing as odorless yellow solid powder. It is used industrially in chromate conversion coatings, having been developed by Ford Motor Company in 1920s...	13530-65-9
ZnCr₂O₄	zinc chromite	12018-19-8
ZnCr₂O₇	zinc dichromate	14018-95-2
ZnF₂	zinc fluoride Zinc fluoride Zinc fluoride is an inorganic chemical compound. It is encountered as the anydrous form and also as the tetrahydrate, ZnF2.4H2O . It has a high melting point and has the rutile structure containing 6 coordinate zinc, which suggests appreciable ionic character in its chemical bonding...	7783-49-5
ZnH₂	zinc hydride Zinc hydride Zinc hydride is a chemical compound of zinc and hydrogen, ZnH2, which is used as a reducing agent in organic synthesis. First reported in 1947, it is a white crystalline powder when freshly made which turns grey if left at room temperature for a few days, presumably due to the decompostion to...	14018-82-7
Zn(IO₃)₂	zinc iodate	7790-37-6
ZnI₂	zinc iodide Zinc iodide Zinc iodide is a chemical compound of zinc and iodine, ZnI2. The anhydrous form is white and readily absorbs water from the atmosphere. It can be prepared by the direct reaction of zinc and iodine in refluxing ether...	10139-47-6
Zn(MnO₄)₂	zinc permanganate	23414-72-4
ZnMoO₄	zinc molybdate Zinc molybdate Zinc molybdate is an inorganic chemical compound. It is a white pigment, which can be used as corrosion inhibitor. While highly soluble molybdates like e.g. sodium molybdate are toxic in higher doses, zinc molybdate is essentially non-toxic because of its insolubility in water...	13767-32-3
Zn(NO₂)₂	zinc nitrite	10102-02-0
Zn(NO₃)₂	zinc nitrate Zinc nitrate Zinc nitrate is a highly deliquescent substance which is usually prepared by dissolving zinc in nitric acid. It can be used as a mordant in dyeing...	7779-88-6
ZnO	zinc oxide Zinc oxide Zinc oxide is an inorganic compound with the formula ZnO. It is a white powder that is insoluble in water. The powder is widely used as an additive into numerous materials and products including plastics, ceramics, glass, cement, rubber , lubricants, paints, ointments, adhesives, sealants,...	1314-13-2
Zn(OH)₂	zinc hydroxide Zinc hydroxide Zinc hydroxide Zn2 is an inorganic chemical compound. It also occurs naturally as 3 rare minerals: wülfingite , ashoverite and sweetite ....	20427-58-1
ZnO₂	zinc peroxide Zinc peroxide Zinc peroxide is a chemical compound used as a bleaching and curing agent. It appears as white to yellow powder. Perhaps its most important use is to promote cross-linking in carboxylated nitrile rubber and other elastomers. Another application of ZnO2 is additive to antiseptic ointments...	1314-22-3
ZnS	zinc sulfide Zinc sulfide Zinc sulfide is a inorganic compound with the formula ZnS. ZnS is the main form of zinc in nature, where it mainly occurs as the mineral sphalerite...	1314-98-3
Zn(SCN)₂	zinc thiocyanate	557-42-6
ZnSO₄	zinc sulfate Zinc sulfate Zinc sulfate is the inorganic compound with the formula ZnSO4 as well as any of three hydrates. It was historically known as "white vitriol". It is a colorless solid that is a common source of soluble zinc ions.-Production and reactivity:...	7733-02-0
ZnSb	zinc antimonide Zinc antimonide Zinc antimonide is an inorganic chemical compound. Like indium antimonide, aluminium antimonide, and gallium antimonide, it is a semiconducting intermetallic compound. It is used in transistors, infrared detectors and thermal imagers, as well as magnetoresistive devices....	12039-35-9
ZnSe	zinc selenide Zinc selenide Zinc selenide , is a light yellow binary solid compound. It is an intrinsic semiconductor with a band gap of about 2.70 eV at 25 °C. ZnSe rarely occurs in nature...	1315-09-9
ZnSnO₃	zinc stannate	8011-65-2
ZnTe	zinc telluride Zinc telluride Zinc telluride is a binary chemical compound with the formula ZnTe. This solid is a semiconductor material with band gap of 2.23–2.25 eV. It is usually a P-type semiconductor. Its crystal structure is cubic, like that for sphalerite and diamond....	1315-11-3
ZnTiO₃	zinc titanate Zinc titanate Zinc titanate, also known as zinc titanium oxide, is an inorganic compound which has the chemical formula of ZnTiO3. It is a white powder that is insoluble in water.-Toxicity:...	12036-43-0
ZnWO₄	zinc tungstate	13597-56-3
Zn₂Fe(CN)₆	zinc ferrocyanide	14883-46-6
Zn₂P₂O₇	zinc pyrophosphate Zinc pyrophosphate Zinc pyrophospate is an inorganic chemical compound. It is useful in gravimetric analysis of zinc. Zinc pyrophosphate is obtained by precipitating zinc as a phosphate, then heating over 1123 K....	7446-26-6
Zn₂SiO₄	zinc orthosilicate	13597-65-4
Zn₃(AsO₄)₂	zinc arsenate	13464-44-3
Zn₃(BO₃)₂	zinc borate Zinc borate Zinc borate is an inorganic compound, a borate of zinc. It is a white crystalline or amorphous powder insoluble in water. Its toxicity is low. Its melting point is 980 °C....	12880-01-2
Zn₃N₂	zinc nitride Zinc nitride Zinc nitride is an inorganic compound of zinc and nitrogen. In pure form, it is cubic in structure.-Chemical properties:Zinc nitride can be obtained by thermally decomposing zincamide...	1313-49-1
Zn₃P₂	zinc phosphide Zinc phosphide Zinc phosphide is an inorganic chemical compound.- Reactions :Zinc phosphide can be prepared by the reaction of zinc with phosphorus:Zinc phosphide will react with water to produce phosphine and zinc hydroxide :-Rodenticide:...	1314-84-7
Zn₃(PO₄)₂	zinc phosphate Zinc phosphate Zinc phosphate is an inorganic chemical compound used as a corrosion resistant coating on metal surfaces either as part of an electroplating process or applied as a primer pigment . Zinc phosphate coats better on a crystalline structure than bare metal, so a seeding agent is often used as a...	7779-90-0
ZrBr₃	zirconium(III) bromide	24621-18-9
ZrBr₄	zirconium(IV) bromide Zirconium(IV) bromide Zirconium bromide is the chemical compound with the formula ZrBr4. This colorless solid is the principal precursor to other Zr–Br compounds. It is prepared by the action of bromine on zirconium powder and purified by sublimation....	13777-25-8
ZrC	zirconium(IV) carbide	12070-14-3
ZrCl₂	zirconium(II) chloride	13762-26-0
ZrCl₄	zirconium(IV) chloride Zirconium(IV) chloride Zirconium chloride, also known as zirconium tetrachloride, is an inorganic compound frequently used as a precursor to other compounds of zirconium. This white high-melting solid hydrolyzes rapidly in humid air.-Structure:...	10026-11-6
ZrF₄	zirconium(IV) fluoride Zirconium(IV) fluoride Zirconium fluoride is an inorganic chemical compound. It is a component of ZBLAN fluoride glass. It is insoluble in water. It is the main component of fluorozirconate glasses....	7783-64-4
ZrH₂	zirconium(II) hydride Zirconium(II) hydride Zirconium hydride is a chemical compound, a hydride of zirconium. The commercial form is usually a flammable, gray-black powder.It is used in powder metallurgy, as a hydrogenation catalyst, and as a reducing agent, vacuum tube getter, and a foaming agent in production of metal foams...	7704-99-6
ZrI₂	zirconium(II) iodide	15513-85-6
ZrI₃	zirconium(III) iodide	13779-87-8
ZrI₄	zirconium(IV) iodide Zirconium(IV) iodide Zirconium iodide is the chemical compound with the formula ZrI4. It is the most stable and most readily available iodide of zirconium.This orange-coloured species is volatile, subliming as intact tetrahedral ZrI4 molecules. It is prepared by the direct reaction of powdered zirconium metal and iodine....	13986-26-0
ZrN	zirconium(III) nitride	25658-42-8
Zr(OH)₄	zirconium(IV) hydroxide Zirconium(IV) hydroxide Zirconium hydroxide is often called hydrous zirconia. It has an indeterminate chemical formula often described as ZrO2.nH2O. The formula ZrO2.2H2O being written as Zr4 gives rise to its description as a hydroxide...	14475-63-9
ZrO	zirconium(II) oxide	12036-01-0
ZrO₂	zirconium(IV) oxide	1314-23-4
ZrP₂	zirconium(IV) phosphide	12037-80-8
Zr(SO₄)₂	zirconium(IV) sulfate Zirconium(IV) sulfate Zirconium sulfate, is a chemical compound that contains the elements zirconium, sulfur and oxygen.-Uses:Zirconium sulfate is used in tanning white leather, as a catalyst support, to precipitate proteins and amino acids, and as a pigment stabilizer....	14644-61-2
ZrS₂	zirconium(IV) sulfide Zirconium(IV) sulfide Zirconium sulfide is a chemical compound....	12039-15-5
ZrSe₂	zirconium(IV) selenide	12166-47-1
ZrSi₂	zirconium(IV) silicide Zirconium(IV) silicide Zirconium silicide is an inorganic chemical compound with the chemical formula ZrSi2, consisting of zirconium and silicon atoms....	12039-90-6
ZrSiO₄	zirconium(IV) silicate Zirconium(IV) silicate Zirconium silicate, also zirconium orthosilicate, is a chemical compound, a silicate of zirconium. It occurs in nature as the zircon, a silicate mineral....	10101-52-7
ZrTe₂	zirconium(IV) telluride	32321-65-6
Zr(WO₄)₂	zirconium(IV) tungstate	16853-74-0

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