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Triethyl phosphite

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Triethyl phosphite molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 4 grades and pack sizes of Triethyl phosphite (CAS 122-52-1). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS122-52-1
Molecular formulaC6H15O3P
Molecular weight166.16 g/mol
IUPAC nametriethyl phosphite
SynonymsTriethoxyphosphine · Phosphorous acid, triethyl ester · Ethyl phosphite, (EtO)3P · Fosforyn trojetylowy · TRIS(ETHOXY)PHOSPHINE · RefChem:191514
Safety & Hazards (GHS) Warning
Flammable Flammable Irritant Irritant
  • H226 Flammable liquid and vapor
  • H302 Harmful if swallowed
  • H317 May cause an allergic skin reaction
  • H412 Harmful to aquatic life with long lasting effects

⚠️ 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 TRIETHYL PHOSPHITE, 98% T61204-100ML
T61204-1L
T61204-500ML
T61204-5ML		 Request Quote

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