SMILES: C1=CC=C(C=C1)N=NC2=CC=C(C=C2)N=NC3=C(C=CC4=CC(=CC(=C43)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[Na+].[Na+]
Description: The molecule is an organic sodium salt that is the disodium salt of 7-hydroxy-8-{[4-(phenyldiazenyl)phenyl]diazenyl}naphthalene-1,3-disulfonic acid. Occasionally used for the demonstration of muscle fibres in conjunction with, or as a replacement for, acid fuchsin. It has a role as a histological dye. It contains a 7-hydroxy-8-{[4-(phenyldiazenyl)phenyl]diazenyl}naphthalene-1,3-disulfonate.