5-[[aminohydroxy[[4-[(4-nitro-2-sulphophenyl)amino]phenyl]azo]phenyl]azo]-4-hydroxy-3-[[4-[(4-nitro-2-sulphophenyl)amino]phenyl]azo]naphthalene-2,7-disulphonic acid, sodium salt

Product Code: 1177685
Molecular Formula: C40H25N11Na4O18S4
Molecular Weight: 1167.91
93839-64-6