1,7-Naphthalenedisulfonic acid, 4-(benzoylamino)-5-hydroxy-6-((3-methylphenyl)azo)-, barium sodium salt (1:1:2) 68929-13-5 Barium disodium 4-benzamidato-5-oxido-6-((m-tolyl)azo)naphthalene-1,7-disulphonate EINECS 273-042-2