6655-95-4 Acetic acid, 2,2'-((4,4'-bis((1-hydroxy-6-((4-methoxyphenyl)amino)-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-3,3'-diyl)bis(oxy))bis-, tetrasodium salt Acetic acid, 2,2'-((4,4'-bis((1-hydroxy-6-((4-methoxyphenyl)amino)-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-3,3'-diyl)bis(oxy))bis-, tetrasodiumsalt EINECS 229-683-5 Tetrasodium 2,2'-((4,4'-bis((1-hydroxy-6-((4-methoxyphenyl)amino)-3-sulphonato-2-naphthyl)azo)(1,1'-biphenyl)-3,3'-diyl)bis(oxy))diacetate