5-Bromothiophene-2-sulfonyl chloride

5-溴噻吩-2-磺酰氯

Also known as: 5-Bromo-2-thiophenesulfonyl chloride, 5-Bromothiophenesulfonyl chloride, 5-Bromothiophene-2-sulphonyl chloride, 2-Thiophenesulfonyl chloride, 5-bromo-, 5-Bromo-2-thiophenensulfonyl chloride, 5-Bromothiophene-2-sulfonyl

5-Bromothiophene-2-sulfonyl chloride (CAS 55854-46-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H2BrClO2S2 and a molecular weight of 261.544 g/mol. It is also known as 5-Bromo-2-thiophenesulfonyl chloride, 5-Bromothiophenesulfonyl chloride and 5-Bromothiophene-2-sulphonyl chloride. Key properties include a melting point of 40-44 °C(lit.), a boiling point of 318.2±27.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 146.2±23.7 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
55854-46-1
Jingsj CID
J-1410037-6
Molecular Formula
C4H2BrClO2S2
Chinese Name
5-溴噻吩-2-磺酰氯
Molecular Weight
261.544 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point40-44 °C(lit.)
Boiling Point318.2±27.0 °C at 760 mmHg
Density2.0±0.1 g/cm3
Flash Point146.2±23.7 °C

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 5-Bromothiophene-2-sulfonyl chloride?

The CAS number of 5-Bromothiophene-2-sulfonyl chloride is 55854-46-1.

What are the molecular formula and molecular weight of 5-Bromothiophene-2-sulfonyl chloride?

5-Bromothiophene-2-sulfonyl chloride has molecular formula C4H2BrClO2S2 and molecular weight 261.544 g/mol.

Is 5-Bromothiophene-2-sulfonyl chloride hazardous?

5-Bromothiophene-2-sulfonyl chloride has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "5-Bromothiophene-2-sulfonyl chloride (CAS 55854-46-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1410037-6 (accessed 2026-10-26).

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