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phosphine

CAS 7803-51-2 · H3P
Hazard class
Danger — Flammable, Gas under pressure, Toxic, Corrosive, Environmental hazard
Pictograms
FlammableGas under pressureToxicCorrosiveEnvironmental hazard
H-statements
  • H220 Extremely flammable gas
  • H330 Fatal if inhaled
  • H314 Causes severe skin burns and eye damage
  • H400 Very toxic to aquatic life
Common uses (US EPA CDR)
Semiconductor and photovoltaic agentIntermediate
Workplace exposure limits
NIOSH REL TWA 0.3 ppm (0.4 mg/m3) ST 1 ppm (1 mg/m3)
OSHA PEL TWA 0.3 ppm (0.4 mg/m3)
IDLH 50 ppm
Occupational exposure limits — NIOSH Pocket Guide.
Synonyms
PHOSPHINE · phosphane · Hydrogen phosphide · Phosphorus trihydride · Phosphorus hydride · Phosphorwasserstoff · Fosforowodor · Gas-Ex-B
Molecular weight
33.998 g/mol
Data source
Harmonised classification ECHA — EU CLP Annex VI
Legally binding EU classification adopted by ECHA under CLP Annex VI — the highest-confidence GHS source.
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