Chromate(4-), (mu-(3-(2-(2-(amino-kappaN)-5-(hydroxy-kappaO)-6-(2-(2-(hydroxy-kappaO)-5-nitro-3-sulfophenyl)diazenyl-kappaN1)-7-sulfo-1-naphthalenyl)diazenyl-kappaN1)-2-hydroxy-5-sulfobenzoato(8-)))di-, sodium (1:4)

Name	Chromate(4-), (mu-(3-(2-(2-(amino-kappaN)-5-(hydroxy-kappaO)-6-(2-(2-(hydroxy-kappaO)-5-nitro-3-sulfophenyl)diazenyl-kappaN1)-7-sulfo-1-naphthalenyl)diazenyl-kappaN1)-2-hydroxy-5-sulfobenzoato(8-)))di-, sodium (1:4)

Molecular Formula	C23H8Cr2N6Na4O16S3
Molecular Weight	916.5

[Cr+2].[Cr+2].[NH-]c1ccc2c([O-])c(N=Nc3cc([N+](=O)[O-])cc(S(=O)(=O)[O-])c3[O-])c(S(=O)(=O)[O-])cc2c1N=Nc1cc(S(=O)(=O)[O-])cc(C(=O)[O-])c1[O-].[Na+].[Na+].[Na+].[Na+]