2,2-Difluoroethyl trifluoromethanesulfonate

2,2-二氟乙基三氟甲磺酸酯

Also known as: 2,2-Difluoroethyl triflate, 2,2-Difluoroethyl trifluoromethanesulphonate, Trifluoromethanesulfonic acid 2,2-difluoroethyl ester, 2,2-difluoroethyl trifluoromethane-sulfonate, PC3793

2,2-Difluoroethyl trifluoromethanesulfonate (CAS 74427-22-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H3F5O3S and a molecular weight of 214.111 g/mol. It is also known as 2,2-Difluoroethyl triflate, 2,2-Difluoroethyl trifluoromethanesulphonate and Trifluoromethanesulfonic acid 2,2-difluoroethyl ester. Key properties include a boiling point of 129.5±40.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 32.1±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 74427-22-8
Jingsj CID: J-1438429-1
Molecular Formula: C₃H₃F₅O₃S
Chinese Name: 2,2-二氟乙基三氟甲磺酸酯
Molecular Weight: 214.111 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	129.5±40.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	32.1±27.3 °C

Frequently Asked Questions

What is the CAS number of 2,2-Difluoroethyl trifluoromethanesulfonate?

The CAS number of 2,2-Difluoroethyl trifluoromethanesulfonate is 74427-22-8.

What are the molecular formula and molecular weight of 2,2-Difluoroethyl trifluoromethanesulfonate?

2,2-Difluoroethyl trifluoromethanesulfonate has molecular formula C3H3F5O3S and molecular weight 214.111 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2,2-Difluoroethyl trifluoromethanesulfonate (CAS 74427-22-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1438429-1 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.