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2,1,3-Benzothiadiazole-4-carbonyl chloride

2,1,3-苯并噻二唑-4-羰酰氯

Also known as: benzo[1,2,5]thiadiazole-4-carboxylic acid chloride, 2,1,3-Benzothiadiazole-4-carbonyl chloride (9CI), 2,1,3-BENZOTHIADIAZOLE-4-CARBONYL CHLORIDE

2,1,3-Benzothiadiazole-4-carbonyl chloride (CAS 148563-33-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H3ClN2OS and a molecular weight of 198.63000 g/mol. It is also known as benzo[1,2,5]thiadiazole-4-carboxylic acid chloride, 2,1,3-Benzothiadiazole-4-carbonyl chloride (9CI) and 2,1,3-BENZOTHIADIAZOLE-4-CARBONYL CHLORIDE. Key properties include a melting point of 110ºC, a boiling point of 297.6ºC at 760mmHg, a density of 1.577g/cm3 and a flash point of 133.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
148563-33-1
Jingsj CID
J-1011229-6
Molecular Formula
C7H3ClN2OS
Chinese Name
2,1,3-苯并噻二唑-4-羰酰氯
Molecular Weight
198.63000 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point110ºC
Boiling Point297.6ºC at 760mmHg
Density1.577g/cm3
Flash Point133.8ºC

Frequently Asked Questions

What is the CAS number of 2,1,3-Benzothiadiazole-4-carbonyl chloride?

The CAS number of 2,1,3-Benzothiadiazole-4-carbonyl chloride is 148563-33-1.

What are the molecular formula and molecular weight of 2,1,3-Benzothiadiazole-4-carbonyl chloride?

2,1,3-Benzothiadiazole-4-carbonyl chloride has molecular formula C7H3ClN2OS and molecular weight 198.63000 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-4-carbonyl chloride (CAS 148563-33-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1011229-6 (accessed 2026-10-22).

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