2-Naphthalenecarboxylic acid, 4-((3-chloro-2-methyl-5-sulfophenyl)azo)-3-hydroxy-, barium salt (1:1) 4-((3-Chloro-2-methyl-5-sulfophenyl)azo)-3-hydroxy-2-naphthalenecarboxylic acid, barium salt (1:1) 67892-41-5 68189-26-4 Barium 4-((3-chloro-2-methyl-5-sulphonatophenyl)azo)-3-hydroxy-2-naphthoate EINECS 267-573-9