Acetonitrile
CAS 75-05-8 · C2H3N
Hazard classDanger — Flammable, Irritant / harmful
PictogramsFlammableIrritant / harmful
H-statements- H225 Highly flammable liquid and vapour
- H332 Harmful if inhaled
- H312 Harmful in contact with skin
- H302 Harmful if swallowed
- H319 Causes serious eye irritation
Common uses (US EPA CDR)SolventLaboratory chemicalsCleaning agentIntermediateDyeFuel
Workplace exposure limitsNIOSH REL TWA 20 ppm (34 mg/m3)
OSHA PEL TWA 40 ppm (70 mg/m3)
IDLH 500 ppmOccupational exposure limits — NIOSH Pocket Guide.
SynonymsACETONITRILE · 75-05-8 · Methyl cyanide · Cyanomethane · Ethanenitrile · Ethyl nitrile · Methane, cyano- · Methanecarbonitrile
Molecular weight41.05 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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