2-Chloro-4-nitrobenzenesulfonyl chloride

2-氯-4-硝基苯磺酰氯

Also known as: 2-chloro-4-nitrobenzene-1-sulfonyl chloride, 2-chloro-4-nitrophenylsulfonyl chloride, 2-chloro-4-nitrophenylsulphonyl chloride, Benzenesulfonyl chloride, 2-chloro-4-nitro-, 2-Chlor-4-nitro-benzolsulfochlorid, 2-Chlor-4-nitro-benzolsulfonsaeurechlorid, 2-Chlor-4-nitrobenzolsulfonylchlorid, 2-Chloro-4-nitro-benzenesulfonyl chloride, 2-Chlorsulfonyl-5-nitro-chlorbenzol, WSGR BG DNW

2-Chloro-4-nitrobenzenesulfonyl chloride (CAS 20201-03-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H3Cl2NO4S and a molecular weight of 256.063 g/mol. It is also known as 2-chloro-4-nitrobenzene-1-sulfonyl chloride, 2-chloro-4-nitrophenylsulfonyl chloride and 2-chloro-4-nitrophenylsulphonyl chloride. Key properties include a boiling point of 370.3±32.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 177.7±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

20201-03-0

Jingsj CID

J-1112111-8

Molecular Formula

C₆H₃Cl₂NO₄S

Chinese Name

2-氯-4-硝基苯磺酰氯

Molecular Weight

256.063 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026