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Phosphine

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Phosphine molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 5 grades and pack sizes of Phosphine (CAS 7803-51-2). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS7803-51-2
Molecular formulaH3P
Molecular weight34 g/mol
IUPAC namephosphane
Synonymsphosphane · Hydrogen phosphide · Phosphorus trihydride · Phosphorus hydride · Phosphorwasserstoff · Fosforowodor
Safety & Hazards (GHS) Danger
Flammable Flammable Gas under pressure Gas under pressure Corrosive Corrosive Acute toxic Acute toxic Environmental hazard Environmental hazard
  • H220 Extremely flammable gas
  • H314 Causes severe skin burns and eye damage
  • H330 Fatal if inhaled
  • H400 Very toxic to aquatic life
  • H280 Contains gas under pressure; may explode if heated

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma BLACK PHOSPHORUS, CRYSTAL, 99.995% 808970-1EA Request Quote
Sigma PHOSPHORUS RED 04004-1KG
04004-250G
04004-500G		 Request Quote
Sigma PHOSPHORUS, RED, =99.99% TRACE METALS B 343242-5G Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.