Trimethylamine
[CAS# 75-50-3]

Identification

• Classification: Organic raw materials >> Amino compound >> Acyclic monoamines, polyamines and their derivatives and salts
• Name: Trimethylamine
• Synonyms: N,N-Dimethylmethanamine; N-Trimethylamine
• Molecular Formula: C₃H₉N
• Molecular Weight: 59.11
• CAS Registry Number: 75-50-3
• EC Number: 200-875-0

Properties

• Solubility: Freely soluble (262 g/L) (25 ºC), Calc.^*
• Density: 0.9 g/cm^3**
• Melting point: 800-1000 ºC (decomp)^***
• Boiling point: 138-140 ºC (0.1 Torr)^****
• Refractive index: 1.3631 (589.3 nm 0 ºC)^*****
• Flash point: -61.7±4.7 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** "International Chemical Safety Cards" data were obtained from the National Institute for Occupational Safety and Health (US)

^*** Voerkelius, G. A.; Chemiker-Zeitung 1910, V23, P1078,1090.

^**** Copp, Frederick C.; US 2918401 1959.

^***** "Hazardous Substances Data Bank" data were obtained from the National Library of Medicine (US)

Safety Data

• Hazard Symbols: GHS02;GHS05;GHS07 Danger
• Hazard Statements: H224-H332-H302-H314
• Safety Description: S16;S26;S39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H332
Flammable liquids	Flam. Liq.	1	H224
Skin corrosion	Skin Corr.	1B	H314
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - single exposure	STOT SE	3	H335
Serious eye damage	Eye Dam.	1	H318
Flammable gases	Flam. Gas	1	H220
Skin irritation	Skin Irrit.	2	H315
Gases under pressure (liquid)	Press. Gas (Liq.)		H280
Gases under pressure (compressed)	Press. Gas (Comp.)		H280
Eye irritation	Eye Irrit.	2	H319
Flammable liquids	Flam. Liq.	2	H225
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Specific target organ toxicity - single exposure	STOT SE	2	H371

• Transport Information: UN 1083 2.1