Dimethylamine

Dimethylamine or N-methylmethanamine or DMA is an organic compound Organic compound

An organic compound is any member of a large class of chemical compound [i]s whose molecule [i]s contain ...

and an amine Amine

Amines are organic compound [i]s and a type of functional group [i] that contain nitrogen [i] as the key ...

. It is a colorless, liquefied and flammable gas with an ammonia Ammonia

Ammonia is a compound [i] of nitrogen [i] and hydrogen [i] with the formula [i] ...

and fish- like odor. Dimethylamine is generally used as a solution in water at concentrations up to around 40%.

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Encyclopedia

Dimethylamine

Chemical name IUPAC nomenclature IUPAC nomenclature is a system of naming chemical compound [i]s and of describing the science of chemistry [i] ...	Dimethylamine
Chemical formula Chemical formula A chemical formula is a concise way of expressing information about the atom [i]s that constitute a par ...	C₂H₇N
Molecular mass	45.085 g/mol
Melting point	- 92.2 °C
Boiling point	7 °C
Density	1.5 gas; 0.67 liquid
CAS number	124-40-3
SMILES Simplified molecular input line entry specification The simplified molecular input line entry specification or SMILES is a specification for unambiguo...	CNC
CH₃-NH-CH₃

Dimethylamine or N-methylmethanamine or DMA is an organic compound Organic compound

An organic compound is any member of a large class of chemical compound [i]s whose molecule [i]s contain ...

and an amine Amine

Amines are organic compound [i]s and a type of functional group [i] that contain nitrogen [i] as the key ...

. It is a colorless, liquefied and flammable gas with an ammonia Ammonia

Chemistry

Dimethylamine is a secondary amine Amine

Amines are organic compound [i]s and a type of functional group [i] that contain nitrogen [i] as the key ...

. The molecule Molecule

In chemistry, a molecule is an aggregate of two or more atom [i]s in a definite arrangement held togethe ...

consists of an amine Amine

Amines are organic compound [i]s and a type of functional group [i] that contain nitrogen [i] as the key ...

atom Atom

In chemistry [i] and physics [i], an atom is the smallest possible particle of a chemical element [i] t ...

with two methyl substituents and one proton Proton

In physics [i], the proton is a subatomic particle [i] with an electric charge [i] of one positive fundamental unit [i] ...

. Dimethylamine is a base and the pKa of the ammonium salt Ammonium

The ammonium cation [i] is a positively charged [i] polyatomic ion [i] of the chemical formula [i] ...

CH₃-NH₂⁺-CH₃ is 10.73, a value intermediate between methylamine Methylamine

Methylamine is a simple primary amine [i] with a formula of CH3NH2....

and trimethylamine Trimethylamine

Trimethylamine, also known as NMe3, N(CH3)3, and TMA, is a colorless, hygroscopic [i], ...

.
Dimethylamine reacts with acids to form salts. Dimethylamine hydrochloride is an odorless white solid with a melting point of 171.5 °C. Dimethylamine is produced by catalytic Catalysis

In chemistry [i] and biology [i], catalysis is the acceleration of a chemical reaction [i] by means of ...

reaction of methanol Methanol

Methanol, also known as methyl alcohol or wood alcohol, is a chemical compound [i] with chemical formula [i] ...

and ammonia Ammonia

Ammonia is a compound [i] of nitrogen [i] and hydrogen [i] with the formula [i] ...

at elevated temperatures and high pressure.

Biochemistry

The German cockroach German cockroach

The German cockroach or Croton bug is a small species [i] of cockroach [i], measuring about 1/2" t ...

utilizes dimethylamine as a pheromone Pheromone

A pheromone is any chemical or set of chemicals produced by a living organism that transmits a message t...

for communication.

DMA undergoes nitrosation under weak acid conditions to give dimethlynitrosamine. This animal carcinogen has been detected and quantified in human urine samples and it may also arise from nitrosation of DMA by nitrogen oxides present in acid rain in highly industrilized countries .

Uses

Dimethylamine is used as dehairing agent in tanning Tanning

Tanning is the process of conversion of putrescible [i] skin into non putrescible leather.This is common ...

, in dye Dye

A dye can generally be described as a color [i]ed substance that has an affinity [i] t ...

s, in rubber Rubber

Rubber is an elastic hydrocarbon [i] polymer [i] which occurs as a milky emulsion [i] in the sap of se ...

accelerators, in soaps and cleaning compounds and as an agricultural fungicide. In industry dimethylamine is converted to dimethylformamide Dimethylformamide

Dimethylformamide is a clear liquid, miscible with water [i] and majority of organic solvents. ...

and the surfactant lauryl dimethylamine oxide. It is raw material in the production of many pharmaceutical Medication

A medication is a licenced drug [i] taken to cure or reduce symptoms of an illness [i] or medical condit ...

s such as diphenhydramine Diphenhydramine

Diphenhydramine hydrochloride is an over-the-counter [i] antihistamine [i] an ...

and also that of the chemical weapon Chemical warfare

The Battle of Barnet, which took place on April 14 [i], 1471 [i], was a decisive battle of the Wars of the Roses [i] ...

tabun.

External links

MSDS Material safety data sheet

A material safety data sheet is a form containing data regarding the properties of a particular substanc...

http://www.airliquide.com
MSDS Material safety data sheet

A material safety data sheet is a form containing data regarding the properties of a particular substanc...

http://physchem.ox.ac.uk
production at http://www.methylamines.com

References

Zhang AQ, Mithchell SC, Smith RL Dimethylamine formation in the rat from various related amine precursors. Food Chem Toxicol 36:923-7