Trimethylamine
Also known as: N,N-Dimethylmethanamine, N,N-Dimethylmethylamine, NMe3, TMA, (CH3)3N
Trimethylamine (CAS 75-50-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C3H9N and a molecular weight of 59.110 g/mol. Key properties include a melting point of 283-284 °C (dec.)(lit.), a boiling point of 2.8±3.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of -61.7±4.7 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 75-50-3
- Jingsj CID
- J-1331165-0
- Molecular Formula
- C3H9N
- Molecular Weight
- 59.110 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 283-284 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 2.8±3.0 °C at 760 mmHg |
| Density | 0.7±0.1 g/cm3 |
| Flash Point | -61.7±4.7 °C |
| Exact Mass | 59.073498 |
| PSA | 3.24000 |
| LogP | 0.06 |
| Additional Property | 2.09 (vs air) |
| Vapor Pressure | 1716.5±0.0 mmHg at 25°C |
| Refractive Index | 1.378 |
| Additional Property | -117.1℃ |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
Frequently Asked Questions
What is the CAS number of Trimethylamine?
The CAS number of Trimethylamine is 75-50-3.
What are the molecular formula and molecular weight of Trimethylamine?
Trimethylamine has molecular formula C3H9N and molecular weight 59.110 g/mol.
Is Trimethylamine hazardous?
Trimethylamine has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of Trimethylamine?
For Trimethylamine, Downstream Products: Dimethylamine, Hydrogen bromide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trimethylamine (CAS 75-50-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1331165-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.