5-[(4-Aminophenyl)azo]salicylic acid

Also known as: 5-[(4-Aminophenyl)azo]-2-hydroxybenzoic acid, 4'-Amino-4-hydroxyazobenzene-3-carboxylic acid, 4'-Amino-4-hydroxy-3-carboxyazobenzene, 5-(4-Aminophenylazo)-2-hydroxybenzoic acid, Benzoic acid, 5-[(4-aminophenyl)azo]-2-hydroxy-, NSC 13967, Salicylic acid, 5-[(p-aminophenyl)azo]-, 5-[(1E)-2-(4-aminophenyl)diazen-1-yl]-2-hydroxybenzoic acid, (3E)-3-[(4-aminophenyl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylic acid

5-[(4-Aminophenyl)azo]salicylic acid (CAS 101-51-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H11N3O3 and a molecular weight of 257.24500 g/mol. Key properties include a boiling point of 484.9ºC at 760mmHg, a density of 1.4g/cm3 and a flash point of 247ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

101-51-9

Jingsj CID

J-44467-7

Molecular Formula

C₁₃H₁₁N₃O₃

Molecular Weight

257.24500 g/mol

Category

Organic Acids

Last updated

8/21/2026