Ponceau BS

• Synonyms:

  Disodium;2-[ (2-hydroxynaphthalen-1-yl) diazenyl]-5-[ (4-sulfonatophenyl) diazenyl]benzenesulfonate

• Purity:

  BS

• Smiles:

  C1=CC=C2C(=C1)C=CC(=C2N=NC3=C(C=C(C=C3)N=NC4=CC=C(C=C4)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+]

• CAS Number:

  4196-99-0