Pyridine
CAS 110-86-1 · C5H5N
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
Common uses (US EPA CDR)IntermediateSolventDye
Workplace exposure limitsNIOSH REL TWA 5 ppm (15 mg/m3)
OSHA PEL TWA 5 ppm (15 mg/m3)
IDLH 1000 ppmOccupational exposure limits — NIOSH Pocket Guide.
SynonymsPYRIDINE · 110-86-1 · Azabenzene · Azine · Pyridin · Piridina · Pirydyna · RCRA waste number U196
Molecular weight79.1 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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