12222-00-3 74411-35-1 74411-36-2 C.I. DIRECT BLUE 80 Cuprate(4-), (mu-((4,4'-((3,3'-di(hydroxy-kappaO)(1,1'-biphenyl)-4,4'-diyl)bis(azo-kappaN1))bis(3-(hydroxy-kappaO)-2,7-naphthalenedisulfonato))(8-)))di-, tetrasodium Cuprate(4-), (mu-((4,4'-((3,3'-dihydroxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(3-hydroxy-2,7-naphthalenedisulfonato))(8-)))di-, tetrasodium EINECS 235-414-2 Tetrasodium (mu-((4,4'-((3,3'-dihydroxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(3-hydroxynaphthalene-2,7-disulphonato))(8-)))dicuprate(4-)