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Propylphosphonic anhydride

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Propylphosphonic anhydride molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 6 grades and pack sizes of Propylphosphonic anhydride (CAS 68957-94-8). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS68957-94-8
Molecular formulaC9H21O6P3
Molecular weight318.18 g/mol
IUPAC name2,4,6-tripropyl-1,3,5,2λ5,4λ5,6λ5-trioxatriphosphinane 2,4,6-trioxide
SynonymsI6EGD8839N · Propanephosphonic acid cyclic anhydride · PROPYLPHOSPHONIC ANHYDRIDE [MI] · PROPANEPHOSPHONIC ACID CYCLIC TRIMER · RefChem:869867 · 1-propanephosphonic acid cyclic anhydride
Safety & Hazards (GHS) Danger
Corrosive Corrosive
  • H314 Causes severe skin burns and eye damage
  • H290 May be corrosive to metals

⚠️ 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 PROPYLPHOSPHONIC ANHYDRIDE SOLUTION 81801-100ML
81801-25ML		 Request Quote
Sigma PROPYLPHOSPHONIC ANHYDRIDE SOLUTION, >= 431303-100ML
431303-10ML
431303-500ML
431303-50ML		 Request Quote

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