2-Naphthalenesulfonic acid, 4-hydroxy-7-((((5-hydroxy-7-sulfo-2-naphthalenyl)amino)carbonyl)amino)-3-((2-methyl-4-sulfophenyl)azo)-, compd. with 2,2'-iminobis(ethanol) (1:3) 4-Hydroxy-7-((((5-hydroxy-7-sulfo-2-naphthalenyl)amino)carbonyl)amino)-3-((2-methyl-4-sulfophenyl)azo)-2-naphthalenesulfonic acid, diethanolamine salt (1:3) 4-Hydroxy-7-((((5-hydroxy-7-sulpho-2-naphthyl)amino)carbonyl)amino)-3-((2-methyl-4-sulphophenyl)azo)naphthalene-2-sulphonic acid, compound with 2,2'-iminobis(ethanol) (1:3) 73003-85-7 EINECS 277-210-6