| Formula / Notation | C3H9N |
|---|---|
| CAS Number | 75-50-3 |
| Molecular Weight | 59.11 |
| Melting Point | -178.8 °F (USCG, 1999) |
| Boiling Point | 37.2 °F at 760 mmHg (USCG, 1999) |
| Density | 0.633 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Solubility | 48 % at 86 °F (NIOSH, 2024) |
| Appearance | Trimethylamine, anhydrous appears as a colorless gas with a fishlike odor at low concentrations changing to ammonia-like odor at higher concentrations. Shipped as a liquid under its own vapor press... |
| Also Known As | N,N-dimethylmethanamine; 75-50-3; Methanamine, N,N-dimethyl-; N-Trimethylamine; Dimethylmethaneamine; (CH3)3N; FEMA No. 3241; DTXSID2026238; LHH7G8O305; Trimethylamine, anhydrous |
| Category | Bases & Alkalis |
What is Trimethylamine?
Trimethylamine is a tertiary amine that is ammonia in which each hydrogen atom is substituted by an methyl group. It has a role as a human xenobiotic metabolite and an Escherichia coli metabolite. It is a member of methylamines and a tertiary amine. It is a conjugate base of a trimethylammonium.
Formula & Notation
IUPAC Name: N,N-dimethylmethanamine
Other Names / Synonyms: N,N-dimethylmethanamine; 75-50-3; Methanamine, N,N-dimethyl-; N-Trimethylamine; Dimethylmethaneamine; (CH3)3N; FEMA No. 3241; DTXSID2026238; LHH7G8O305; Trimethylamine, anhydrous
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | -178.8 °F (USCG, 1999) |
| Boiling Point | 37.2 °F at 760 mmHg (USCG, 1999) |
| Density | 0.633 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Molecular Weight | 59.11 |
| Solubility | 48 % at 86 °F (NIOSH, 2024) |
| Appearance | Trimethylamine, anhydrous appears as a colorless gas with a fishlike odor at low concentrations changing to ammonia-like odor at higher concentrations. Shipped as a liquid under its own vapor press... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Trimethylamine is a tertiary amine that is ammonia in which each hydrogen atom is substituted by an methyl group. It has a role as a human xenobiotic metabolite and an Escherichia coli metabolite. It is a member of methylamines and a tertiary amine. It is a conjugate base of a trimethylammonium.
Used in chemical manufacturing, pH adjustment, saponification, water treatment, and as a laboratory reagent.
Corrosive or irritant. Causes burns to skin and eyes. Store away from acids. Wear protective gloves and goggles. Consult SDS before use.
The formula or notation for Trimethylamine is: C3H9N