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