naphthalene black 12B


acid black 1; 4-amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-phenylazo-2,7-naphthalenedisulfonic acid disodium salt; 4-amino-5-hydroxy-3-(4-nitrophenylazo)-6-phenylazo-2,7-naphthalenesulfonic acid disodium salt; C.I. 20470; D&C black 1; disodium 4-amino-5-hydroxy-3-(4-nitrophenylazo)-6-phenylazo-2,7-naphthalenedisulfonate; disodium 4-amino-5-hydroxy-3-[(E)-2-(4-nitrophenyl)diazen-1-yl]-6-[(E)-2-phenyldiazen-1-yl]naphthalene-2,7-disulfonate; naphthalene black 12B; naphthol blue black
CAS RN:[1064-48-8]
Formula:C22H14N6Na2O9S2; 616.50 g/mol
InChiKey:HKBVRFLHNUEVRO-DWTBGCDMSA-L
SMILES:[Na+].[Na+].Nc1c(N=Nc2ccc(cc2)[N+]([O-])=O)c(cc3C=C(C(=N/Nc4ccccc4)C(=O)c13)[S]([O-])(=O)=O)[S]([O-])(=O)=O
Molecular structure of naphthalene black 12B
Use:acid dye
Colour: