5-Nitrotoluene-2-sulphonyl chloride

5-硝基甲苯-2-磺酰氯

Also known as: 2-methyl-4-nitrobenzenesulfonyl chloride, 2-methyl-4-nitrobenzene-1-sulfonyl chloride, 4-nitro-2-methylbenzenesulfonyl chloride, 5-nitrotoluene-2-sulfonyl chloride, 5-nitrotoluene-2-sulphonyl chloride, 5-nitro-2-toluenesulfonyl chloride, 5-nitro-o-toluenesulfonyl chloride, 5-nitro-toluene-2-sulfonyl chloride, 5-Nitro-toluol-2-sulfonylchlorid, 2-Methyl-4-nitrophenylsulfonyl chloride, EINECS 244-332-6

5-Nitrotoluene-2-sulphonyl chloride (CAS 21320-90-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C7H6ClNO4S and a molecular weight of 235.64500 g/mol. It is also known as 2-methyl-4-nitrobenzenesulfonyl chloride, 2-methyl-4-nitrobenzene-1-sulfonyl chloride and 4-nitro-2-methylbenzenesulfonyl chloride. Key properties include a boiling point of 370.3ºC at 760 mmHg, a density of 1.528g/cm3 and a flash point of 177.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21320-90-1
Jingsj CID
J-1511283-1
Molecular Formula
C7H6ClNO4S
Chinese Name
5-硝基甲苯-2-磺酰氯
Molecular Weight
235.64500 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point370.3ºC at 760 mmHg
Density1.528g/cm3
Flash Point177.8ºC

Frequently Asked Questions

What is the CAS number of 5-Nitrotoluene-2-sulphonyl chloride?

The CAS number of 5-Nitrotoluene-2-sulphonyl chloride is 21320-90-1.

What are the molecular formula and molecular weight of 5-Nitrotoluene-2-sulphonyl chloride?

5-Nitrotoluene-2-sulphonyl chloride has molecular formula C7H6ClNO4S and molecular weight 235.64500 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Nitrotoluene-2-sulphonyl chloride (CAS 21320-90-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1511283-1 (accessed 2026-10-24).

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