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3-Chloro-4-fluorobenzenesulfonyl chloride

3-氯-4-氟苯磺酰氯

Also known as: 3-Chloro-4-fluorobenzenesulphonyl chloride, 3-Chloro-4-fluorobenzene-1-sulfonyl chloride, Benzenesulfonyl chloride, 3-chloro-4-fluoro-

3-Chloro-4-fluorobenzenesulfonyl chloride (CAS 91170-93-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H3Cl2FO2S and a molecular weight of 229.056 g/mol. It is also known as 3-Chloro-4-fluorobenzenesulphonyl chloride, 3-Chloro-4-fluorobenzene-1-sulfonyl chloride and Benzenesulfonyl chloride, 3-chloro-4-fluoro-. Key properties include a boiling point of 308.1±27.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 140.2±23.7 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
91170-93-3
Jingsj CID
J-7200-9
Molecular Formula
C6H3Cl2FO2S
Chinese Name
3-氯-4-氟苯磺酰氯
Molecular Weight
229.056 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point308.1±27.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point140.2±23.7 °C

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 3-Chloro-4-fluorobenzenesulfonyl chloride?

The CAS number of 3-Chloro-4-fluorobenzenesulfonyl chloride is 91170-93-3.

What are the molecular formula and molecular weight of 3-Chloro-4-fluorobenzenesulfonyl chloride?

3-Chloro-4-fluorobenzenesulfonyl chloride has molecular formula C6H3Cl2FO2S and molecular weight 229.056 g/mol.

Is 3-Chloro-4-fluorobenzenesulfonyl chloride hazardous?

3-Chloro-4-fluorobenzenesulfonyl chloride has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "3-Chloro-4-fluorobenzenesulfonyl chloride (CAS 91170-93-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7200-9 (accessed 2026-10-23).

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