Trifluoromethanesulfonyl chloride
Also known as: Trifluoromethanesulphonyl chloride, Triflic chloride, Triflyl chloride, Trifluoromethylsulfonyl chloride, 1,1,1-Trifluoromethanesulfonyl chloride
Trifluoromethanesulfonyl chloride (CAS 421-83-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula CClF3O2S and a molecular weight of 168.523 g/mol. Key properties include a boiling point of 30.5±0.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of -32.0±25.9 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 421-83-0
- Jingsj CID
- J-1113892-4
- Molecular Formula
- CClF3O2S
- Molecular Weight
- 168.523 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 30.5±0.0 °C at 760 mmHg |
|---|---|
| Density | 1.8±0.1 g/cm3 |
| Flash Point | -32.0±25.9 °C |
| Exact Mass | 167.925964 |
| PSA | 42.52000 |
| LogP | 1.76 |
| Vapor Pressure | 624.2±0.0 mmHg at 25°C |
| Refractive Index | 1.359 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
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 Trifluoromethanesulfonyl chloride?
The CAS number of Trifluoromethanesulfonyl chloride is 421-83-0.
What are the molecular formula and molecular weight of Trifluoromethanesulfonyl chloride?
Trifluoromethanesulfonyl chloride has molecular formula CClF3O2S and molecular weight 168.523 g/mol.
Is Trifluoromethanesulfonyl chloride hazardous?
Trifluoromethanesulfonyl chloride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Trifluoromethanesulfonyl chloride?
For Trifluoromethanesulfonyl chloride, Upstream Products: Benzyl trifluoromethyl sulfide, Trifluoromethanesulfonic acid, Sodium trifluoromethanesulfinate; Downstream Products: 4-(Trifluoromethyl)anisole, 3-(Trifluoromethyl)anisole, 1-Methoxy-2-(trifluoromethyl)benzene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trifluoromethanesulfonyl chloride (CAS 421-83-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1113892-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.