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Phosphorus trichloride

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Phosphorus trichloride molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 5 grades and pack sizes of Phosphorus trichloride (CAS 7719-12-2). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS7719-12-2
Molecular formulaCl3P
Molecular weight137.32 g/mol
IUPAC nametrichlorophosphane
SynonymsTrichlorophosphine · Phosphorous trichloride · Phosphorous chloride · Phosphine, trichloro- · Fosfortrichloride · Phosphortrichlorid
Safety & Hazards (GHS) Danger
Corrosive Corrosive Acute toxic Acute toxic Health hazard Health hazard
  • H300 Fatal if swallowed
  • H314 Causes severe skin burns and eye damage
  • H330 Fatal if inhaled
  • H373 May causes damage to organs through prolonged or repeated exposure

⚠️ 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 PHOSPHORUS TRICHLORIDE, 99.999% 310115-100G
310115-25G		 Request Quote
Sigma PHOSPHORUS TRICHLORIDE, REAGENTPLUS, 99% 157791-1KG
157791-250G
157791-50G		 Request Quote

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