3-[(4-aminophenyl)diazenyl]benzenesulfonic acid

4-氨基苯基偶氮苯-3'-磺酸

Also known as: m-[(p-Aminophenyl)azo]benzenesulphonic acid, 3-[(4-aminophenyl)azo]benzenesulfonic acid, 4-aminoazobenzene-3'-sulfonic acid, 3-(4-aminophenyl)diazenylbenzenesulfonic acid, 4'-aminoazobenzene-3-sulfonic acid, 3-(4-amino-phenylazo)-benzenesulfonic acid, 3-(4-amino-phenylazo)-benzolsulfonsaeure, 4-amino-azobenzol-3'-sulfonsaeure, 4'-Amino-azobenzol-sulfonsaeure-(3), m-[(p-aminophenyl)azo]benzenesulfonic acid, EINECS 203-015-2, Benzenesulfonic acid, 3-[2-(4-aminophenyl)diazenyl]-

3-[(4-aminophenyl)diazenyl]benzenesulfonic acid (CAS 102-23-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H11N3O3S and a molecular weight of 277.29900 g/mol. It is also known as m-[(p-Aminophenyl)azo]benzenesulphonic acid, 3-[(4-aminophenyl)azo]benzenesulfonic acid and 4-aminoazobenzene-3'-sulfonic acid. Key property: a density of 1.43. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

102-23-8

Jingsj CID

J-16820-7

Molecular Formula

C₁₂H₁₁N₃O₃S

Chinese Name

4-氨基苯基偶氮苯-3'-磺酸

Molecular Weight

277.29900 g/mol

Category

Organic Acids

Last updated

8/21/2026