2-chloro-5-(chlorosulfonyl)benzoic acid

2-氯-5-(氯磺酰基)苯甲酸

Also known as: 2-chloro-5-chlorosulfonylbenzoic acid, 2-chloro-5-(chlorosulphonyl)benzoic acid, 3-Carboxy-4-chlorobenzenesulfonyl chloride, 5-(Chlorosulfonyl)-2-chlorobenzoic acid, Benzoic acid, 2-chloro-5-(chlorosulfonyl)-, NSC 137839, 2-Chlor-5-chlorsulfonyl-benzoesaeure

2-chloro-5-(chlorosulfonyl)benzoic acid (CAS 137-64-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H4Cl2O4S and a molecular weight of 255.07500 g/mol. It is also known as 2-chloro-5-chlorosulfonylbenzoic acid, 2-chloro-5-(chlorosulphonyl)benzoic acid and 3-Carboxy-4-chlorobenzenesulfonyl chloride. Key properties include a melting point of 61-62 ºC, a boiling point of 402ºC at 760mmHg, a density of 1.694g/cm3 and a flash point of 196.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

137-64-4

Jingsj CID

J-28482-4

Molecular Formula

C₇H₄Cl₂O₄S

Chinese Name

2-氯-5-(氯磺酰基)苯甲酸

Molecular Weight

255.07500 g/mol

Category

Organic Acids

Last updated

8/21/2026