Trifluoromethanesulfonic anhydride
Also known as: Triflic anhydride, Trifluoromethanesulphonic anhydride, Trifluoromethylsulfonic anhydride, Trifluoromethanesulfonic anhydride, Methanesulfonic acid, trifluoro-, anhydride
Trifluoromethanesulfonic anhydride (CAS 358-23-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2F6O5S2 and a molecular weight of 282.139 g/mol. Key properties include a melting point of -80°C, a boiling point of 82.6±0.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of -0.6±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 358-23-6
- Jingsj CID
- J-36252-7
- Molecular Formula
- C2F6O5S2
- Molecular Weight
- 282.139 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -80°C |
|---|---|
| Boiling Point | 82.6±0.0 °C at 760 mmHg |
| Density | 2.0±0.1 g/cm3 |
| Flash Point | -0.6±25.9 °C |
| Exact Mass | 281.909119 |
| PSA | 94.27000 |
| LogP | 2.12 |
| Additional Property | 5.2 (vs air) |
| Vapor Pressure | 86.8±0.1 mmHg at 25°C |
| Refractive Index | 1.359 |
| Additional Property | reacts violently with water |
Customs & Trade Information
| HS Code | 2904909090 |
|---|---|
| Summary | HS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Trifluoromethanesulfonic anhydride?
The CAS number of Trifluoromethanesulfonic anhydride is 358-23-6.
What are the molecular formula and molecular weight of Trifluoromethanesulfonic anhydride?
Trifluoromethanesulfonic anhydride has molecular formula C2F6O5S2 and molecular weight 282.139 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trifluoromethanesulfonic anhydride (CAS 358-23-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36252-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.