C9H21O6P3
318.18 g/mol
Research ReagentDanger
Propylphosphonic anhydride
CAS68957-94-8EC422-210-5
Category
Research Reagent
Compound Class
Heterocycle
Primary Use
Research Compound
Propylphosphonic anhydride is the trimeric anhydride of n-propylphosphonic acid. It is widely used as a reagent in peptide synthesis to activate carboxylic acids for reaction with amines.
peptide coupling reagentcarboxylic acid activation in peptide synthesis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Reading
Safety Reference
Danger
H314Causes severe skin burns and eye damage
H290May be corrosive to metals
H317May cause an allergic skin reaction
H318Causes serious eye damage
Customs Tariff Classification
The international HS code for Propylphosphonic anhydride (CAS 68957-94-8) is 2931.46.
HS code (international, 6-digit)
2931.46
EU CN code (8-digit)
2931 46 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2,4,6-tripropyl-1,3,5,2lambda5,4lambda5,6lambda5-trioxatriphosphinane 2,4,6-trioxide
InChIKey
PAQZWJGSJMLPMG-UHFFFAOYSA-N
SMILES
CCCP1(=O)OP(=O)(OP(=O)(O1)CCC)CCC
Synonyms (30)
- propylphosphonic anhydride
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