Chlorantine Fast Red 5B

2610-11-9

Disodium;7-benzamido-4-hydroxy-3-[[4-[ (4-sulfonatophenyl) diazenyl]phenyl]diazenyl]naphthalene-2-sulfonate

99%

C1=CC=C(C=C1)C(=O)NC2=CC3=CC(=C(C(=C3C=C2)O)N=NC4=CC=C(C=C4)N=NC5=CC=C(C=C5)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]