4-(Chloromethyl)benzenesulfonyl fluoride

4-氯甲基苯磺酰氟

Also known as: 4-Chloromethylbenzenesulfonyl fluoride, 4-(Chloromethyl)benzenesulphonyl fluoride, 1-(Chloromethyl)-4-(fluorosulphonyl)benzene, 4-(Fluorosulphonyl)benzyl chloride, Benzenesulfonyl fluoride, 4-(chloromethyl)-, PC2813, 4-Chlormethyl-benzolsulfonylfluorid

4-(Chloromethyl)benzenesulfonyl fluoride (CAS 455-21-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H6ClFO2S and a molecular weight of 208.63800 g/mol. It is also known as 4-Chloromethylbenzenesulfonyl fluoride, 4-(Chloromethyl)benzenesulphonyl fluoride and 1-(Chloromethyl)-4-(fluorosulphonyl)benzene. Key properties include a boiling point of 243.2ºC at 760mmHg, a density of 1.403g/cm3 and a flash point of 100.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
455-21-0
Jingsj CID
J-1964885-1
Molecular Formula
C7H6ClFO2S
Chinese Name
4-氯甲基苯磺酰氟
Molecular Weight
208.63800 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point243.2ºC at 760mmHg
Density1.403g/cm3
Flash Point100.9ºC

Frequently Asked Questions

What is the CAS number of 4-(Chloromethyl)benzenesulfonyl fluoride?

The CAS number of 4-(Chloromethyl)benzenesulfonyl fluoride is 455-21-0.

What are the molecular formula and molecular weight of 4-(Chloromethyl)benzenesulfonyl fluoride?

4-(Chloromethyl)benzenesulfonyl fluoride has molecular formula C7H6ClFO2S and molecular weight 208.63800 g/mol.

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

Last updated:

How to cite: Jingsj. "4-(Chloromethyl)benzenesulfonyl fluoride (CAS 455-21-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1964885-1 (accessed 2026-10-25).

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