2-(4-Aminoanilino)-5-nitrobenzenesulphonic acid

4'-氨基-4-硝基二苯胺-2-磺酸

Also known as: 4-Amino-4'-nitrodiphenylamine-2'-sulfonic acid, 4-Nitro-4'-aminodiphenylamine-2-sulfonic acid, 2-(p-Aminoanilino)-5-nitrobenzenesulfonic acid, 2-[(4-Aminophenyl)amino]-5-nitrobenzenesulfonic acid, 4'-Amino-4-nitrodiphenylamine-2-sulfonic acid, 4-Nitro-4-aminodiphenylamine-2-sulfonate, Aminoaniline nitrobenzenesulphonic acid, MFCD00035932, EINECS 202-057-9

2-(4-Aminoanilino)-5-nitrobenzenesulphonic acid (CAS 91-29-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H11N3O5S and a molecular weight of 309.29800 g/mol. It is also known as 4-Amino-4'-nitrodiphenylamine-2'-sulfonic acid, 4-Nitro-4'-aminodiphenylamine-2-sulfonic acid and 2-(p-Aminoanilino)-5-nitrobenzenesulfonic acid. Key properties include a melting point of 140-142 and a density of 1.607g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

91-29-2

Jingsj CID

J-14508-8

Molecular Formula

C₁₂H₁₁N₃O₅S

Chinese Name

4'-氨基-4-硝基二苯胺-2-磺酸

Molecular Weight

309.29800 g/mol

Category

Organic Acids

Last updated

8/21/2026