mono-methylamine [1] di-methylamine [2] tri-methylamine [3]
CAS 74-89-5 · CH5N
Hazard classDanger — Flammable, Irritant / harmful, Corrosive
PictogramsFlammableIrritant / harmfulCorrosive
H-statements- H224 Extremely flammable liquid and vapour
- H332 Harmful if inhaled
- H302 Harmful if swallowed
- H314 Causes severe skin burns and eye damage
Common uses (US EPA CDR)pH regulating agentSoil amendments (fertilizers)Semiconductor and photovoltaic agentProcessing aids not otherwise specifiedFixing agent (mordant)Intermediate
Workplace exposure limitsNIOSH REL TWA 10 ppm (12 mg/m3)
OSHA PEL TWA 10 ppm (12 mg/m3)
IDLH 100 ppmOccupational exposure limits — NIOSH Pocket Guide.
SynonymsMETHYLAMINE · Methanamine · Aminomethane · Monomethylamine · Carbinamine · Mercurialin · N-Methylamine · Methylaminen
Molecular weight31.057 g/mol
Data sourceHarmonised classification ECHA — EU CLP Annex VILegally binding EU classification adopted by ECHA under CLP Annex VI — the highest-confidence GHS source.
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