Triethylsilyl trifluoromethanesulfonate

三乙基硅基三氟甲磺酸酯

Also known as: TES triflate, TES-OTf, Triethylsilyl triflate, Trifluoromethanesulfonic acid triethylsilyl ester, 1,1,1-Triethylsilyl trifluoromethanesulfonate, Methanesulfonic acid, 1,1,1-trifluoro-, triethylsilyl ester, Triethyl(trifluoromethylsulfonyloxy)silane

Triethylsilyl trifluoromethanesulfonate (CAS 79271-56-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H15F3O3SSi and a molecular weight of 264.338 g/mol. It is also known as TES triflate, TES-OTf and Triethylsilyl triflate. Key properties include a boiling point of 207.3±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 79.2±25.9 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

79271-56-0

Jingsj CID

J-7218-8

Molecular Formula

C₇H₁₅F₃O₃SSi

Chinese Name

三乙基硅基三氟甲磺酸酯

Molecular Weight

264.338 g/mol

Category

Organic Acids

Last updated

8/21/2026