disodium 4-amino-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonate

CAS NO: 5850-41-9
Molecular Formula: C23H16N6Na2O9S2
Molecular Weight: 630.51748

Synonyms

C.I.20500

C.I.Acid Black 28

Naphthalene Black 12BR

disodium 4-amino-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonate

4-Amino-5-hydroxy-3-[(5-nitro-2-methylphenyl)azo]-6-(phenylazo)naphthalene-2,7-disulfonic acid disodium salt