6405-94-3 Benzenesulfonic acid, 3,3'-((3,3'-dimethyl(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(2,4-diamino-5-methyl-, disodium salt Disodium 3,3'-((3,3'-dimethyl(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(2,4-diamino-5-methylbenzenesulphonate) EINECS 229-024-1