5-Chlorothiophene-2-sulfonamide

5-氯噻吩-2-磺酰胺

Also known as: 5-Chloro-2-thiophenesulfonamide, 2-Chloro-5-sulfamoylthiophene, 2-chlorothiophene-5-sulfonamide, 5-chloro-2-thiophenesulfonamide, 5-chlorothiophene-2-sulfonamide

5-Chlorothiophene-2-sulfonamide (CAS 53595-66-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4ClNO2S2 and a molecular weight of 197.663 g/mol. It is also known as 5-Chloro-2-thiophenesulfonamide, 2-Chloro-5-sulfamoylthiophene and 2-chlorothiophene-5-sulfonamide. Key properties include a melting point of 113-117 °C(lit.), a boiling point of 366.3±52.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 175.3±30.7 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
53595-66-7
Jingsj CID
J-26055-8
Molecular Formula
C4H4ClNO2S2
Chinese Name
5-氯噻吩-2-磺酰胺
Molecular Weight
197.663 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point113-117 °C(lit.)
Boiling Point366.3±52.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point175.3±30.7 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 5-Chlorothiophene-2-sulfonamide?

The CAS number of 5-Chlorothiophene-2-sulfonamide is 53595-66-7.

What are the molecular formula and molecular weight of 5-Chlorothiophene-2-sulfonamide?

5-Chlorothiophene-2-sulfonamide has molecular formula C4H4ClNO2S2 and molecular weight 197.663 g/mol.

Is 5-Chlorothiophene-2-sulfonamide hazardous?

5-Chlorothiophene-2-sulfonamide has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "5-Chlorothiophene-2-sulfonamide (CAS 53595-66-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26055-8 (accessed 2026-10-22).

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