Chromate(4-), [5-chloro-2-hydroxy-3-[[[2-hydroxy-5-[2-(4-sulfophenyl)diazenyl]phenyl]methylene]amino]benzenesulfonato(4-)][3-hydroxy-4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-1-naphthalenesulfonato(3-)]-, sodium (1:4)

Name	Chromate(4-), [5-chloro-2-hydroxy-3-[[[2-hydroxy-5-[2-(4-sulfophenyl)diazenyl]phenyl]methylene]amino]benzenesulfonato(4-)][3-hydroxy-4-[2-(2-hydroxy-1-naphthalenyl)diazenyl]-1-naphthalenesulfonato(3-)]-, sodium (1:4)

Molecular Formula	C39H21ClCrN5Na4O13S3
Molecular Weight	1043.2

O=S(=O)([O-])c1cc([O-])c(N=Nc2c([O-])ccc3ccccc23)c2ccccc12.O=S(=O)([O-])c1ccc(N=Nc2ccc([O-])c(C=Nc3cc(Cl)cc(S(=O)(=O)[O-])c3[O-])c2)cc1.[Cr+3].[Na+].[Na+].[Na+].[Na+]