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

• Supplier: Alfa Chemistry
• Product #: ACM93839646
• CAS #: 93839-64-6