5-Chloro-4-ethyl-2-((2-hydroxy-1-naphthalenyl)azo)benzenesulfonic acid, barium salt (2:1) 5-Chloro-4-ethyl-2-((2-hydroxy-1-naphthyl)azo)-1-benzenesulfonic acid, barium salt 5-Chloro-4-ethyl-2-(2-hydroxy-1-naphthalenyl)benzenesulfonic acid, barium salt 67801-01-8 Barium bis(5-chloro-4-ethyl-2-((2-hydroxy-1-naphthyl)azo)benzenesulphonate) Benzenesulfonic acid, 5-chloro-4-ethyl-2-((2-hydroxy-1-naphthalenyl)azo)-, barium salt (2:1) EINECS 267-122-6