4,4'-diaminobiphenyl-2,2'-dicarboxylic acid

4,4'-二氨基联苯-2,2'-二羧酸

Also known as: 4,4'-Diamino-[1,1'-biphenyl]-2,2'-dicarboxylic acid, 4,4'-Diamino-2,2'-biphenyldicarboxylic acid, 2,2'-Dicarboxybenzidine, 2,2'-Dicarboxylic acid-4,4'-Diaminobiphenyl, 4,4'-Diamino-2,2'-diphenic acid, 4,4'-diamino-diphenic acid, 4,4'-Diamino-diphensaeure, Benzidin-dicarbonsaeure-(2.2'), DK1348, 5-amino-2-(4-amino-2-carboxyphenyl)benzoic acid

4,4'-diaminobiphenyl-2,2'-dicarboxylic acid (CAS 17557-76-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H12N2O4 and a molecular weight of 272.256 g/mol. It is also known as 4,4'-Diamino-[1,1'-biphenyl]-2,2'-dicarboxylic acid, 4,4'-Diamino-2,2'-biphenyldicarboxylic acid and 2,2'-Dicarboxybenzidine. Key properties include a boiling point of 515.1±50.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 265.3±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

17557-76-5

Jingsj CID

J-1516515-4

Molecular Formula

C₁₄H₁₂N₂O₄

Chinese Name

4,4'-二氨基联苯-2,2'-二羧酸

Molecular Weight

272.256 g/mol

Category

Organic Acids

Last updated

8/21/2026