Trimethylamine

CAS NO.：75-50-3
Empirical Formula: C3H9N
Molecular Weight: 59.11
SAFETY DATA SHEET (SDS)
Update Date: 2026-03-30 16:09:22

What is Trimethylamine?

Definition

ChEBI: 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 tertiary amine and a member of methylamines. It is a conjugate base of a trimethylammonium.

Properties of Trimethylamine

Melting point:	-117.1 °C
Boiling point:	2.8 °C
Density	0.627 g/cm3(Temp: 25 °C)
pka	9.75±0.28(Predicted)

Safety information for Trimethylamine

Signal word	Danger
Pictogram(s)	Flame Flammables GHS02 Gas Cylinder Compressed Gases GHS04 Corrosion Corrosives GHS05 Exclamation Mark Irritant GHS07
GHS Hazard Statements	H220:Flammable gases H280:Gases under pressure H315:Skin corrosion/irritation H318:Serious eye damage/eye irritation H332:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P410+P403:Protect from sunlight. Store in a well-ventilated place.

Computed Descriptors for Trimethylamine

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