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Triisopropyl phosphite

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Triisopropyl phosphite molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 3 grades and pack sizes of Triisopropyl phosphite (CAS 116-17-6). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS116-17-6
Molecular formulaC9H21O3P
Molecular weight208.24 g/mol
IUPAC nametripropan-2-yl phosphite
Synonymstripropan-2-yl phosphite · Phosphorous acid, tris(1-methylethyl) ester · Tri-2-propyl phosphite · Triisopropoxyphosphine · Isopropyl phosphite, tri- · Phosphorous acid, triisopropyl ester
Safety & Hazards (GHS) Danger
Acute toxic Acute toxic
  • H301 Toxic if swallowed
  • H315 Causes skin irritation

⚠️ 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 MEDRONIC ACID IMPURITY A Y0001107 Request Quote
Sigma TRIISOPROPYL PHOSPHITE, 95% T67806-100ML
T67806-500ML		 Request Quote

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