1,3-Naphthalenedisulfonic acid, 8-((3,3'-dimethoxy-4'-((4-(((4-methylphenyl)sulfonyl)oxy)phenyl)azo)(1,1'-biphenyl)-4-yl)azo)-7-hydroxy-, disodium salt 1,3-Naphthalenedisulfonic acid, 8-((3,3'-dimethoxy-4'-((4-(((4-methylphenyl)sulfonyl)oxy)phenyl)azo)(1,1'-biphenyl)-4-yl)azo)-7-hydroxy-, disodiumsalt 6548-30-7 Disodium 8-((3,3'-dimethoxy-4'-((4-(((p-tolyl)sulphonyl)oxy)phenyl)azo)(1,1'-biphenyl)-4-yl)azo)-7-hydroxynaphthalene-1,3-disulphonate EINECS 229-469-1