83006-39-7 Benzoic acid, 2-((1-hydroxy-6-((((2-methoxy-5-methyl-4-((8-((phenylsulfonyl)oxy)-3,6-disulfo-1-naphthalenyl)azo)phenyl)amino)carbonyl)amino)-3-sulfo-2-naphthalenyl)azo)-, sodium salt EINECS 280-089-2 o-((1-Hydroxy-6-((((2-methoxy-5-methyl-4-((8-((phenylsulphonyl)oxy)-3,6-disulpho-1-naphthyl)azo)phenyl)amino)carbonyl)amino)-3-sulpho-2-naphthyl)azo)benzoic acid, sodium salt