thiophene-2,5-dicarbonyl dichloride

2,5-噻吩二甲酰氯

Also known as: 2,5-Thiophenedicarbonyl dichloride, thiophene-2,5-dicarbonyl chloride, 2,5-Bis(chlorocarbonyl)thiophene, thiophene-2,5-bis(carbonyl chloride), thiophene-2,5-dicarboxylic acid dichloride

thiophene-2,5-dicarbonyl dichloride (CAS 3857-36-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H2Cl2O2S and a molecular weight of 209.05000 g/mol. It is also known as 2,5-Thiophenedicarbonyl dichloride, thiophene-2,5-dicarbonyl chloride and 2,5-Bis(chlorocarbonyl)thiophene. Key properties include a melting point of 43-47ºC, a boiling point of 150-152ºC/11 mmHg, a density of 1.586g/cm3 and a flash point of 135.1ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

3857-36-1

Jingsj CID

J-1502371-9

Molecular Formula

C₆H₂Cl₂O₂S

Chinese Name

2,5-噻吩二甲酰氯

Molecular Weight

209.05000 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026