2-Naphthalenecarboxamide, 3-hydroxy-4-((5-chloro-4-methyl-2-sulfophenyl)azo)-N-(2-methoxyphenyl)-, barium salt (2:1) 50326-33-5 Barium bis(6-chloro-4-((2-hydroxy-3-((2-methoxyphenyl)carbamoyl)-1-naphthyl)azo)toluene-3-sulphonate) Benzenesulfonic acid, 4-chloro-2-((2-hydroxy-3-(((2-methoxyphenyl)amino)carbonyl)-1-naphthalenyl)azo)-5-methyl-, barium salt (2:1) EINECS 256-543-0