Direct Black 19

• Synonyms:

  Disodium;4-amino-3,6-bis[[4-[ (2,4-diaminophenyl) diazenyl]phenyl]diazenyl]-5-hydroxynaphthalene-2,7-disulfonate

• Purity:

  BS

• Smiles:

  C1=CC(=CC=C1N=NC2=C(C=C(C=C2)N)N)N=NC3=C(C4=C(C(=C(C=C4C=C3S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC5=CC=C(C=C5)N=NC6=C(C=C(C=C6)N)N)N)O.[Na+].[Na+]

• CAS Number:

  6428-31-5