2,2'-Dichloro-4-((3-carboxy-4-hydroxyphenyl)azo)-4'-((2-amino-8-hydroxy-6-sulfonaphthyl-1)azo)-1,1'-biphenyl, disodium salt 71215-83-3 Benzoic acid, 5-((4'-((2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo)-2,2'-dichloro(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, disodium salt Disodium 5-((4'-((2-amino-8-hydroxy-6-sulphonato-2-naphthyl)azo)-2,2'-dichloro(1,1'-biphenyl)-4-yl)azo)salicylate EINECS 275-271-3