N-Methylethanolamine

N-Methylethanolamine[1]
Skeletal formula of N-methylethanolamine
Ball-and-stick model of the N-methylethanolamine molecule
Names
IUPAC name
2-Methylaminoethanol
Other names
Methyl β-hydroxyethylamine
Identifiers
109-83-1 YesY
3D model (Jmol) Interactive image
1071196
ChEBI CHEBI:21763 YesY
ChEMBL ChEMBL104083 YesY
ChemSpider 13836021 YesY
ECHA InfoCard 100.003.374
EC Number 203-710-0
MeSH N-methylaminoethanol
PubChem 8016
RTECS number KL6650000
UN number 2735
Properties
C3H9NO
Molar mass 75.11 g·mol−1
Appearance Colourless liquid
Odor Ammoniacal
Density 0.935 g mL−1
Melting point −4.50 °C; 23.90 °F; 268.65 K
Boiling point 158.1 °C; 316.5 °F; 431.2 K
Miscible
log P 1.062
Vapor pressure 70 Pa (at 20 °C)
1.439
Hazards
GHS pictograms
GHS signal word DANGER
H302, H312, H314
P280, P305+351+338, P310
C
R-phrases R21/22, R34
S-phrases (S1/2), S26, S36/37/39, S45
Flash point 76 °C (169 °F; 349 K)
350 °C (662 °F; 623 K)
Explosive limits 1.6–19.8%
Related compounds
Related alkanols
Related compounds
Diethylhydroxylamine
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

N-Methylethanolamine is an alkanolamine and a toxic, flammable, corrosive, colorless, viscous liquid. It is the biochemical precursor of choline.

With both an amine and an hydroxyl functional groups, it is a useful intermediate in the chemical synthesis of various products including polymers and pharmaceuticals. It is also used as a solvent, for example in the natural gas-processing industry together with its analogs ethanolamine and dimethylethanolamine.

N-Methylethanolamine can be prepared by the reaction of ethylene oxide with methylamine.

See also

References

  1. Merck Index, 12th Edition, 6096.
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