Functional Roles
Industries Served
Physical Properties
melting_point
-135 u00b0F (NTP, 1992)
boiling_point
45.3 u00b0F at 760 mmHg (NTP, 1992)
density
0.671 at 44.4 u00b0F (USCG, 1999) - Less dense than water; will float
solubility
24 % at 140 u00b0F (NIOSH, 2024)
vapor_pressure
1388.03 mmHg at 70 u00b0F (USCG, 1999)
flash_point
20 u00b0F (USCG, 1999)
ph
Aqueous solutions of dimethylamine are highly alkaline, like ammonia
GHS / SDS Safety
Danger
Environmental Hazard
Flammable
Irritant
Health Hazard
Compressed Gas
Corrosive
- H314 (47.1%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
- H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
- H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]
- H302: Harmful if swallowed [Warning Acute toxicity, oral]
- H315 (66.1%): Causes skin irritation [Warning Skin corrosion/irritation]
- H280: Contains gas under pressure; may explode if heated [Warning Gases under pressure]
- H332 (99.4%): Harmful if inhaled [Warning Acute toxicity, inhalation]
- H220 (65.5%): Extremely flammable gas [Danger Flammable gases]
- H315: Causes skin irritation [Warning Skin corrosion/irritation]
- H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H224 (47.3%): Extremely flammable liquid and vapor [Danger Flammable liquids]
- H401: Toxic to aquatic life [Hazardous to the aquatic environment, acute hazard]
- H317: May cause an allergic skin reaction [Warning Sensitization, Skin]
- H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
- H224: Extremely flammable liquid and vapor [Danger Flammable liquids]
- H220: Extremely flammable gas [Danger Flammable gases]
- H335 (92.5%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H336: May cause drowsiness or dizziness [Warning Specific target organ toxicity, single exposure; Narcotic effects]
- H412 (33.3%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
- H302 (47.1%): Harmful if swallowed [Warning Acute toxicity, oral]
- H411 (12.8%): Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
- H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
- H280 (30.1%): Contains gas under pressure; may explode if heated [Warning Gases under pressure]
- H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
- H332: Harmful if inhaled [Warning Acute toxicity, inhalation]
- H412: Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
- H318 (88.7%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
Chemical Identity
| CAS Number | 124-40-3 |
| IUPAC Name | N-methylmethanamine |
| InChI Key | ROSDSFDQCJNGOL-UHFFFAOYSA-N |
| PubChem CID | 674 |
Synonyms & Trade Names
Full Description
Dimethylamine (DMA) is a secondary aliphatic amine with the molecular formula C2H7N that serves as a pH adjustment agent in industrial manufacturing processes. This highly flammable compound has a low boiling point of 45.3°F and exhibits partial water solubility, making it effective for controlling alkalinity in various chemical systems. Dimethylamine is primarily utilized in industrial manufacturing applications where precise pH control is critical for process optimization and product quality.