3,3'-((1,1'-Biphenyl)-4,4'-diylbis(azo))bis(6-hydroxybenzoic acid), disodium salt 6472-91-9 Benzoic acid, 3,3'-((1,1'-biphenyl)-4,4'-diylbis(azo))bis(6-hydroxy-, disodium salt C.I. Direct Yellow 1 Chrysamine Chrysamine G