1,5-Naphthalenedisulfonic acid, 2,2'-((2,2'-disulfo(1,1'-biphenyl)-4,4'-diyl)bis(imino(6-chloro-1,3,5-triazine-4,2-diyl)imino(1-hydroxy-3-sulfo-6,2-naphthalenediyl)azo))bis-, octasodium salt 68110-30-5 EINECS 268-519-7 Octasodium 2,2'-((2,2'-disulphonato(1,1'-biphenyl)-4,4'-diyl)bis(imino(6-chloro-1,3,5-triazine-4,2-diyl)imino(1-hydroxy-3-sulphonatonaphthalene-6,2-diyl)azo))bisnaphthalene-1,5-disulphonate