4-(Bromomethyl)benzenesulfonyl chloride

4-溴甲基苯磺酰氯

Also known as: alpha-Bromo-p-toluenesulfonyl chloride, 4-(Bromomethyl)benzenesulphonyl chloride, 4-(Bromomethylene)benzenesulfonyl chloride, 4-(Chlorosulfonyl)benzyl bromide, 4-(bromomethyl)benzene-1-sulfonyl chloride, α-Bromo-p-toluenesulfonyl chloride

4-(Bromomethyl)benzenesulfonyl chloride (CAS 66176-39-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H6BrClO2S and a molecular weight of 269.543 g/mol. It is also known as alpha-Bromo-p-toluenesulfonyl chloride, 4-(Bromomethyl)benzenesulphonyl chloride and 4-(Bromomethylene)benzenesulfonyl chloride. Key properties include a melting point of 71-75 °C(lit.), a boiling point of 329.7±25.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 153.2±23.2 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
66176-39-4
Jingsj CID
J-23487-4
Molecular Formula
C7H6BrClO2S
Chinese Name
4-溴甲基苯磺酰氯
Molecular Weight
269.543 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point71-75 °C(lit.)
Boiling Point329.7±25.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point153.2±23.2 °C

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 4-(Bromomethyl)benzenesulfonyl chloride?

The CAS number of 4-(Bromomethyl)benzenesulfonyl chloride is 66176-39-4.

What are the molecular formula and molecular weight of 4-(Bromomethyl)benzenesulfonyl chloride?

4-(Bromomethyl)benzenesulfonyl chloride has molecular formula C7H6BrClO2S and molecular weight 269.543 g/mol.

Is 4-(Bromomethyl)benzenesulfonyl chloride hazardous?

4-(Bromomethyl)benzenesulfonyl 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. "4-(Bromomethyl)benzenesulfonyl chloride (CAS 66176-39-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23487-4 (accessed 2026-10-22).

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