4-Amino-3-[[4'-[(2,4-diaminophenyl)azo]-2,2'-disulpho[1,1'-biphenyl]-4-yl]azo]-5-hydroxynaphthalene-2,7-disulphonic acid,sodium salt

• Supplier: Alfa Chemistry
• Product #: ACM83221652
• CAS #: 83221-65-2