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Pyrophosphoric acid
 
 
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Pyrophosphoric acid, also known under the name diphosphoric acid, is a syrupy liquid or a viscous off-white solid. Pyrophosphoric acid is colorless, odorless, hygroscopic and is soluble in water
Water (molecule)

File:Blue-water-pool.jpgWater is the most abundant molecule on Earth's surface, constituting about 70% of the Earth's surface in liquid, solid, and gaseous states....
, diethyl ether
Diethyl ether

Diethyl ether, also known as ether and ethoxyethane, is a clear, colorless, and highly flammable liquid with a low boiling point and a characteristic odor....
, and ethyl alcohol. It is produced from phosphoric acid by dehydration
Dehydration reaction

In chemistry, a dehydration reaction is usually defined as a chemical reaction that involves the loss of water from the reacting molecule. Dehydration reactions are a subset of elimination reactions....
. Pyrophosphoric acid slowly hydrolyzes
Hydrolysis

Hydrolysis is a chemical reaction during which one or more water are split into hydrogen and hydroxide ions which may go on to participate in further reactions....
 in the presence of water into phosphoric acid.
2H3PO4 ? H4P2O7 + H2O
Pyrophosphoric acid is a medium strong inorganic
Inorganic chemistry

Inorganic chemistry is the branch of chemistry concerned with the properties and behavior of inorganic compounds. This field covers all chemical compounds except the myriad organic compounds , which are the subjects of organic chemistry....
 acid
Acid

An acid is traditionally considered any chemical compound that, when dissolved in water, gives a solution with a hydrogen ion Activity greater than in pure water, i.e....
.






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Pyrophosphoric acid, also known under the name diphosphoric acid, is a syrupy liquid or a viscous off-white solid. Pyrophosphoric acid is colorless, odorless, hygroscopic and is soluble in water
Water (molecule)

File:Blue-water-pool.jpgWater is the most abundant molecule on Earth's surface, constituting about 70% of the Earth's surface in liquid, solid, and gaseous states....
, diethyl ether
Diethyl ether

Diethyl ether, also known as ether and ethoxyethane, is a clear, colorless, and highly flammable liquid with a low boiling point and a characteristic odor....
, and ethyl alcohol. It is produced from phosphoric acid by dehydration
Dehydration reaction

In chemistry, a dehydration reaction is usually defined as a chemical reaction that involves the loss of water from the reacting molecule. Dehydration reactions are a subset of elimination reactions....
. Pyrophosphoric acid slowly hydrolyzes
Hydrolysis

Hydrolysis is a chemical reaction during which one or more water are split into hydrogen and hydroxide ions which may go on to participate in further reactions....
 in the presence of water into phosphoric acid.
2H3PO4 ? H4P2O7 + H2O
Pyrophosphoric acid is a medium strong inorganic
Inorganic chemistry

Inorganic chemistry is the branch of chemistry concerned with the properties and behavior of inorganic compounds. This field covers all chemical compounds except the myriad organic compounds , which are the subjects of organic chemistry....
 acid
Acid

An acid is traditionally considered any chemical compound that, when dissolved in water, gives a solution with a hydrogen ion Activity greater than in pure water, i.e....
. The anion, the salt
Salt

A salt, in chemistry, is defined as the product formed from the neutralisation reaction of acids and base . Salts are ionic compounds composed of cations and anions so that the product is electrically electric charge ....
s, and the ester
Ester

An ester is an often Aroma compound organic chemistry or partially organic compound formed by the reaction between an acid and an alcohol or aromatic alcohol with the elimination of water....
s of pyrophosphoric acid are called pyrophosphate
Pyrophosphate

In chemistry, the anion, the salts, and the esters of pyrophosphoric acid are called pyrophosphates. Pyrophosphates were originally prepared by heating phosphates: the prefix pyro- derived from Greek, means "fire" in this context....
s.

See also


  • Sodium pyrophosphate
    Sodium pyrophosphate

    Tetrasodium pyrophosphate, also called sodium pyrophosphate or tetrasodium phosphate, is a slightly toxic and mildly irritant colorless Transparency crystalline chemical compound with the chemical formula 427....
  • Calcium pyrophosphate dihydrate deposition disease
  • Dimethylallyl pyrophosphate
    Dimethylallyl pyrophosphate

    Dimethylallyl pyrophosphate is an intermediate product of both mevalonic acid pathway and DOXP/methylerythritol phosphate pathway. It is an isomer of isopentenyl pyrophosphate and exists in virtually all life forms....
  • ADP
    Adenosine diphosphate

    Adenosine diphosphate, abbreviated ADP, is a nucleotide. It is an ester of pyrophosphoric acid with the nucleoside adenosine. ADP consists of the pyrophosphate Functional group, the pentose sugar ribose, and the nucleobase adenine....
  • ATP
    Adenosine triphosphate

    This article is about the chemical used by cells as an energy carrier. For other uses, see ATP .Adenosine-5'-triphosphate is a multifunctional nucleotide, and plays an important role in cell biology as a coenzyme that is the "molecule unit of currency" of intracellular energy transfer....
  • Ortho acid
    Ortho acid

    Ortho acids are the most hydroxylated acid in a set of oxoacids, such as orthophosphoric acid. In general, when an element can form several oxoacids, these are called ortho-, meta- or pyroacids, with the ortho acid being the most hydrated of the three....
    s


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