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3,4-Difluorobenzenesulfonyl chloride

3,4-二氟苯磺酰氯

Also known as: 3,4-Difluorobenzene-1-sulfonyl chloride, 3,4-Difluorobenzenesulphonyl chloride, Benzenesulfonyl chloride, 3,4-difluoro-

3,4-Difluorobenzenesulfonyl chloride (CAS 145758-05-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H3ClF2O2S and a molecular weight of 212.602 g/mol. It is also known as 3,4-Difluorobenzene-1-sulfonyl chloride, 3,4-Difluorobenzenesulphonyl chloride and Benzenesulfonyl chloride, 3,4-difluoro-. Key properties include a boiling point of 258.1±20.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 109.9±21.8 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
145758-05-0
Jingsj CID
J-40694-3
Molecular Formula
C6H3ClF2O2S
Chinese Name
3,4-二氟苯磺酰氯
Molecular Weight
212.602 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point258.1±20.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point109.9±21.8 °C

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 3,4-Difluorobenzenesulfonyl chloride?

The CAS number of 3,4-Difluorobenzenesulfonyl chloride is 145758-05-0.

What are the molecular formula and molecular weight of 3,4-Difluorobenzenesulfonyl chloride?

3,4-Difluorobenzenesulfonyl chloride has molecular formula C6H3ClF2O2S and molecular weight 212.602 g/mol.

Is 3,4-Difluorobenzenesulfonyl chloride hazardous?

3,4-Difluorobenzenesulfonyl 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. "3,4-Difluorobenzenesulfonyl chloride (CAS 145758-05-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40694-3 (accessed 2026-10-22).

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