N-Methylethanolamine
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| Names | |
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IUPAC name
2-Methylaminoethanol
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| Other names
Methyl β-hydroxyethylamine
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| Identifiers | |
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3D model (Jmol)
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| 1071196 | |
| ChEBI | |
| ChemSpider | |
| ECHA InfoCard | 100.003.374 |
| EC Number | 203-710-0 |
| MeSH | N-methylaminoethanol |
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PubChem CID
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| RTECS number | KL6650000 |
| UN number | 2735 |
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| 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) |
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Refractive index (nD)
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1.439 |
| Hazards | |
| GHS pictograms |
 
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| GHS signal word | DANGER |
| H302, H312, H314 | |
| P280, P305+351+338, P310 | |
| Flash point | 76 °C (169 °F; 349 K) |
| 350 °C (662 °F; 623 K) | |
| Explosive limits | 1.6–19.8% |
| Related compounds | |
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Related alkanols
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Related compounds
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Diethylhydroxylamine |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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 (what is   ?) |
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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.
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