2-Bromo-4-fluorobenzenesulfonyl chloride

2-溴-4-氟苯磺酰氯

Also known as: 2-bromo-4-fluoro-benzenesulfonyl chloride, 2-bromo-4-fluorobenzenesulphonyl chloride, 4-fluoro-2-bromobenzenesulfonyl chloride, Benzenesulfonyl chloride, 2-bromo-4-fluoro-, 2-Bromo-4-fluorobenzenesulfonyl chloride 97%, 2-Bromo-4-fluorobenzenesulfonyl chloride, 97.5%, MFCD03094149

2-Bromo-4-fluorobenzenesulfonyl chloride (CAS 351003-45-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H3BrClFO2S and a molecular weight of 273.507 g/mol. It is also known as 2-bromo-4-fluoro-benzenesulfonyl chloride, 2-bromo-4-fluorobenzenesulphonyl chloride and 4-fluoro-2-bromobenzenesulfonyl chloride. Key properties include a melting point of 37-39°C, a boiling point of 317.9±27.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 146.1±23.7 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
351003-45-7
Jingsj CID
J-44167-2
Molecular Formula
C6H3BrClFO2S
Chinese Name
2-溴-4-氟苯磺酰氯
Molecular Weight
273.507 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point37-39°C
Boiling Point317.9±27.0 °C at 760 mmHg
Density1.9±0.1 g/cm3
Flash Point146.1±23.7 °C

GHS Safety & Compliance

Flammable / CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2-Bromo-4-fluorobenzenesulfonyl chloride?

The CAS number of 2-Bromo-4-fluorobenzenesulfonyl chloride is 351003-45-7.

What are the molecular formula and molecular weight of 2-Bromo-4-fluorobenzenesulfonyl chloride?

2-Bromo-4-fluorobenzenesulfonyl chloride has molecular formula C6H3BrClFO2S and molecular weight 273.507 g/mol.

Is 2-Bromo-4-fluorobenzenesulfonyl chloride hazardous?

2-Bromo-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. "2-Bromo-4-fluorobenzenesulfonyl chloride (CAS 351003-45-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44167-2 (accessed 2026-10-23).

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