2-chloro-4-methylbenzenesulfonyl chloride

2-氯-4-甲基苯磺酰氯

Also known as: 2-chloro-4-methylbenzene-1-sulfonyl chloride, benzenesulfonyl chloride, 2-chloro-4-methyl-, 2-chloro-4-toluenesulfonyl chloride, 2-chloro-p-toluenesulfonyl chloride, 3-chloro-toluene-4-sulfonyl chloride, 3-Chlor-toluol-4-sulfonylchlorid

2-chloro-4-methylbenzenesulfonyl chloride (CAS 55311-94-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H6Cl2O2S and a molecular weight of 225.09200 g/mol. It is also known as 2-chloro-4-methylbenzene-1-sulfonyl chloride, benzenesulfonyl chloride, 2-chloro-4-methyl- and 2-chloro-4-toluenesulfonyl chloride. Key properties include a boiling point of 305.3ºC at 760 mmHg, a density of 1.458g/cm3 and a flash point of 138.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
55311-94-9
Jingsj CID
J-869684-1
Molecular Formula
C7H6Cl2O2S
Chinese Name
2-氯-4-甲基苯磺酰氯
Molecular Weight
225.09200 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point305.3ºC at 760 mmHg
Density1.458g/cm3
Flash Point138.4ºC

Frequently Asked Questions

What is the CAS number of 2-chloro-4-methylbenzenesulfonyl chloride?

The CAS number of 2-chloro-4-methylbenzenesulfonyl chloride is 55311-94-9.

What are the molecular formula and molecular weight of 2-chloro-4-methylbenzenesulfonyl chloride?

2-chloro-4-methylbenzenesulfonyl chloride has molecular formula C7H6Cl2O2S and molecular weight 225.09200 g/mol.

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

Last updated:

How to cite: Jingsj. "2-chloro-4-methylbenzenesulfonyl chloride (CAS 55311-94-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-869684-1 (accessed 2026-10-24).

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