Trimethylsilyl trifluoromethanesulfonate
三氟甲磺酸三甲基硅酯
Also known as: TMS triflate, TMS-OTf, Trimethylsilyl triflate, Trimethylsilyl trifluoromethylsulfonate, Trifluoromethanesulfonic acid trimethylsilyl ester, Trifluoromethanesulphonic acid trimethylsilyl ester, Trimethylsllytrifluoromethanesulphonate, Silane TMS-triflate, [(Trifluoromethane-sulfonyl)oxy]trimethylsilane
- CAS No.
- 27607-77-8
- Jingsj CID
- J-27319-2
- Molecular Formula
- C4H9F3O3SSi
- Chinese Name
- 三氟甲磺酸三甲基硅酯
- Molecular Weight
- 222.258 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Boiling Point | 140.0±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 38.5±25.9 °C |
GHS Safety & Compliance
Flammable / CorrosionSignal word: Danger
Frequently Asked Questions
What is the CAS number of Trimethylsilyl trifluoromethanesulfonate?
27607-77-8
What are the molecular formula and molecular weight of Trimethylsilyl trifluoromethanesulfonate?
C4H9F3O3SSi, molecular weight 222.258 g/mol
Is Trimethylsilyl trifluoromethanesulfonate hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026