Benzoic acid,5-[[4-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-2-hydroxy-, sodium salt

5-[[4-[(7-氨基-1-羟基-3-磺基-2-萘基)偶氮]-1-萘基]偶氮]-2-羟基苯甲酸钠盐

Also known as: 5-[[4-[(7-amino-1-hydroxy-3-sulpho-2-naphthyl)azo]-1-naphthyl]azo]salicylic acid, sodium salt, Benzoic acid,5-[2-[4-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-1-naphthalenyl]diazenyl]-2-hydroxy-,sodium salt (1:?), disodium,(3Z)-3-[[4-[(2Z)-2-(7-amino-1-oxo-3-sulfonatonaphthalen-2-ylidene)hydrazinyl]naphthalen-1-yl]hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylate, EINECS 280-231-3

Benzoic acid,5-[[4-[(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]-1-naphthalenyl]azo]-2-hydroxy-, sodium salt (CAS 83221-53-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C27H17N5Na2O7S and a molecular weight of 601.49800 g/mol. It is also known as 5-[[4-[(7-amino-1-hydroxy-3-sulpho-2-naphthyl)azo]-1-naphthyl]azo]salicylic acid, sodium salt, Benzoic acid,5-[2-[4-[2-(7-amino-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl]-1-naphthalenyl]diazenyl]-2-hydroxy-,sodium salt (1:?) and disodium,(3Z)-3-[[4-[(2Z)-2-(7-amino-1-oxo-3-sulfonatonaphthalen-2-ylidene)hydrazinyl]naphthalen-1-yl]hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylate. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

83221-53-8

Jingsj CID

J-1948780-7

Molecular Formula

C₂₇H₁₇N₅Na₂O₇S

Chinese Name

5-[[4-[(7-氨基-1-羟基-3-磺基-2-萘基)偶氮]-1-萘基]偶氮]-2-羟基苯甲酸钠盐

Molecular Weight

601.49800 g/mol

Category

Organic Acids

Last updated

8/21/2026