Trifluoromethanesulfonyl chloride

三氟甲烷磺酰氯

Also known as: Trifluoromethanesulphonyl chloride, Triflic chloride, Triflyl chloride, Trifluoromethylsulfonyl chloride, 1,1,1-Trifluoromethanesulfonyl chloride

CAS No.
421-83-0
Jingsj CID
J-1113892-5
Molecular Formula
CClF3O2S
Chinese Name
三氟甲烷磺酰氯
Molecular Weight
168.523 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point30.5±0.0 °C at 760 mmHg
Density1.8±0.1 g/cm3
Flash Point-32.0±25.9 °C

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of Trifluoromethanesulfonyl chloride?

421-83-0

What are the molecular formula and molecular weight of Trifluoromethanesulfonyl chloride?

CClF3O2S, molecular weight 168.523 g/mol

Is Trifluoromethanesulfonyl chloride hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026