4-amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonic acid

CAS Registry Number:

3121-74-2

Synonyms:

1-Naphthol-3,6-disulfonicacid, 8-amino-7-(p-nitrophenylazo)-2-phenylazo- (6CI);2,7-Naphthalenedisulfonic acid,4-amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-(phenylazo)- (9CI); C.I. Acid Black1, free acid (7CI)

Molecular Formula:

C22H16 N6 O9 S2

Molecular Weight:

572.52724

EINECS:

Melting Point:

Solubility: