Functional Roles
Industries Served
Physical Properties
melting_point
-178.8 u00b0F (USCG, 1999)
boiling_point
37.2 u00b0F at 760 mmHg (USCG, 1999)
density
0.633 at 68 u00b0F (USCG, 1999) - Less dense than water; will float
solubility
48 % at 86 u00b0F (NIOSH, 2024)
vapor_pressure
1487.83 mmHg at 70 u00b0F (USCG, 1999)
flash_point
Not Applicable. Gas. (USCG, 1999)
ph
Strong base
GHS / SDS Safety
Danger
Flammable
Irritant
Health Hazard
Compressed Gas
Corrosive
- H335 (36.5%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H332 (> 99.9%): Harmful if inhaled [Warning Acute toxicity, inhalation]
- H220 (21.8%): Extremely flammable gas [Danger Flammable gases]
- H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]
- H302: Harmful if swallowed [Warning Acute toxicity, oral]
- H320: Causes eye irritation [Warning Serious eye damage/eye irritation]
- H280: Contains gas under pressure; may explode if heated [Warning Gases under pressure]
- H315: Causes skin irritation [Warning Skin corrosion/irritation]
- H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H315 (23%): Causes skin irritation [Warning Skin corrosion/irritation]
- H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
- H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H224 (78.1%): Extremely flammable liquid and vapor [Danger Flammable liquids]
- H314 (77%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
- H224: Extremely flammable liquid and vapor [Danger Flammable liquids]
- H220: Extremely flammable gas [Danger Flammable gases]
- H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
- H371: May cause damage to organs [Warning Specific target organ toxicity, single exposure]
- H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
- H332: Harmful if inhaled [Warning Acute toxicity, inhalation]
- H280 (20.5%): Contains gas under pressure; may explode if heated [Warning Gases under pressure]
- H318 (35.5%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H302 (77%): Harmful if swallowed [Warning Acute toxicity, oral]
Chemical Identity
| CAS Number | 75-50-3 |
| IUPAC Name | N,N-dimethylmethanamine |
| InChI Key | GETQZCLCWQTVFV-UHFFFAOYSA-N |
| PubChem CID | 1146 |
Synonyms & Trade Names
Full Description
Trimethylamine (TMA) is a tertiary amine compound with molecular formula C3H9N that exists as a compressed gas at standard conditions. This amine derivative functions primarily as a solvent and pH adjustment agent in industrial manufacturing applications. The compound’s high water solubility (48% at 86°F) and basic properties make it suitable for various chemical processes requiring solvency or alkaline pH modification.