Chromocitronine 4,4'-Bis[[3-(sodiooxycarbonyl)-4-hydroxyphenyl]azo]-1,1'-biphenyl-2,2'-disulfonic acid disodium salt 4,4'-Bis[[4-hydroxy-3-(sodiooxycarbonyl)phenyl]azo]biphenyl-2,2'-disulfonic acid disodium salt C.I.22880 C.I.Mordant Yellow 26 Benzoic acid, 3,3'-((2,2'-disulfo(1,1'-biphenyl)-4,4'-diyl)bis(2,1-diazenediyl))bis(6-hydroxy-, sodium salt (1:4) Einecs 228-336-5 tetrasodium 5,5'-[(2,2'-disulphonato[1,1'-biphenyl]-4,4'-diyl)bis(azo)]disalicylate