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2,1,3-Benzothiadiazole-5-sulfonyl chloride

2,1,3-苯并噻二唑-5-磺酰氯

Also known as: benzo[c][1,2,5]thiadiazole-5-sulfonyl chloride, 5-(Chlorosulfonyl)-2,1,3-benzothiadiazole, 2,1,3-Benzothiadiazole-5-sulphonyl chloride

2,1,3-Benzothiadiazole-5-sulfonyl chloride (CAS 337508-60-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H3ClN2O2S2 and a molecular weight of 234.68300 g/mol. It is also known as benzo[c][1,2,5]thiadiazole-5-sulfonyl chloride, 5-(Chlorosulfonyl)-2,1,3-benzothiadiazole and 2,1,3-Benzothiadiazole-5-sulphonyl chloride. Key properties include a melting point of 69ºC, a boiling point of 359.4ºC at 760 mmHg, a density of 1.723g/cm3 and a flash point of 171.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
337508-60-8
Jingsj CID
J-1320730-6
Molecular Formula
C6H3ClN2O2S2
Chinese Name
2,1,3-苯并噻二唑-5-磺酰氯
Molecular Weight
234.68300 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point69ºC
Boiling Point359.4ºC at 760 mmHg
Density1.723g/cm3
Flash Point171.2ºC

Frequently Asked Questions

What is the CAS number of 2,1,3-Benzothiadiazole-5-sulfonyl chloride?

The CAS number of 2,1,3-Benzothiadiazole-5-sulfonyl chloride is 337508-60-8.

What are the molecular formula and molecular weight of 2,1,3-Benzothiadiazole-5-sulfonyl chloride?

2,1,3-Benzothiadiazole-5-sulfonyl chloride has molecular formula C6H3ClN2O2S2 and molecular weight 234.68300 g/mol.

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

Last updated:

How to cite: Jingsj. "2,1,3-Benzothiadiazole-5-sulfonyl chloride (CAS 337508-60-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1320730-6 (accessed 2026-10-25).

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