4-Chloro-2-(trifluoromethyl)benzenesulfonyl chloride

4-氯-2-(三氟甲基)苯磺酰氯

Also known as: 2-trifluoromethyl-4-chlorobenzenesulfonylchloride, 4-chloro-2-(trifluoromethyl)phenylsulfonyl chloride, 5-Chloro-2-(chlorosulphonyl)benzotrifluoride, Benzenesulfonyl chloride, 4-chloro-2-(trifluoromethyl)-

4-Chloro-2-(trifluoromethyl)benzenesulfonyl chloride (CAS 54090-42-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H3Cl2F3O2S and a molecular weight of 279.06400 g/mol. It is also known as 2-trifluoromethyl-4-chlorobenzenesulfonylchloride, 4-chloro-2-(trifluoromethyl)phenylsulfonyl chloride and 5-Chloro-2-(chlorosulphonyl)benzotrifluoride. Key properties include a boiling point of 273.9ºC at 760 mmHg, a density of 1.626g/cm3 and a flash point of 119.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
54090-42-5
Jingsj CID
J-867078-6
Molecular Formula
C7H3Cl2F3O2S
Chinese Name
4-氯-2-(三氟甲基)苯磺酰氯
Molecular Weight
279.06400 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point273.9ºC at 760 mmHg
Density1.626g/cm3
Flash Point119.5ºC

Frequently Asked Questions

What is the CAS number of 4-Chloro-2-(trifluoromethyl)benzenesulfonyl chloride?

The CAS number of 4-Chloro-2-(trifluoromethyl)benzenesulfonyl chloride is 54090-42-5.

What are the molecular formula and molecular weight of 4-Chloro-2-(trifluoromethyl)benzenesulfonyl chloride?

4-Chloro-2-(trifluoromethyl)benzenesulfonyl chloride has molecular formula C7H3Cl2F3O2S and molecular weight 279.06400 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Chloro-2-(trifluoromethyl)benzenesulfonyl chloride (CAS 54090-42-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-867078-6 (accessed 2026-10-25).

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