2-Naphthalenecarboxylic acid, 4-((5-chloro-4-methyl-2-sulfophenyl)azo)-1-hydroxy-, barium salt (1:1) 4-((5-Chloro-4-methyl-2-sulfophenyl)azo)-1-hydroxy2-naphthalenecarboxylic acid, barium salt (1:1) 80822-79-3 Barium 4-((5-chloro-4-methyl-2-sulphonatophenyl)azo)-1-hydroxy-2-naphthoate EINECS 279-573-6