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. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage and H317 — May cause an allergic skin reaction. 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