Diethyl(isopropyl)silyl trifluoromethanesulfonate
三氟甲磺酸二乙基异丙基硅基酯
Also known as: Diethylisopropylsilyl trifluoromethanesulfonate, Diethylisopropylsilyl triflate, Isopropyldiethylsilyl triflate, Trifluoromethanesulfonic acid diethylisopropylsilyl ester, Methanesulfonic acid, 1,1,1-trifluoro-, diethyl(1-methylethyl)silyl ester, [diethyl(propan-2-yl)silyl] trifluoromethanesulfonate, Et2iPrSiOTf
Diethyl(isopropyl)silyl trifluoromethanesulfonate (CAS 126889-55-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H17F3O3SSi and a molecular weight of 278.365 g/mol. It is also known as Diethylisopropylsilyl trifluoromethanesulfonate, Diethylisopropylsilyl triflate and Isopropyldiethylsilyl triflate. Key properties include a boiling point of 223.0±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 88.6±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 126889-55-2
- Jingsj CID
- J-39140-7
- Molecular Formula
- C8H17F3O3SSi
- Chinese Name
- 三氟甲磺酸二乙基异丙基硅基酯
- Molecular Weight
- 278.365 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 223.0±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 88.6±25.9 °C |
Frequently Asked Questions
What is the CAS number of Diethyl(isopropyl)silyl trifluoromethanesulfonate?
The CAS number of Diethyl(isopropyl)silyl trifluoromethanesulfonate is 126889-55-2.
What are the molecular formula and molecular weight of Diethyl(isopropyl)silyl trifluoromethanesulfonate?
Diethyl(isopropyl)silyl trifluoromethanesulfonate has molecular formula C8H17F3O3SSi and molecular weight 278.365 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diethyl(isopropyl)silyl trifluoromethanesulfonate (CAS 126889-55-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39140-7 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.