Also Called: C.I. Direct Brown 59, C.I.22345;C.I. Direct brown 59, disodium salt;Disodium 5-[[4'-[[1-hydroxy-7-(phenylamino)-3-sulphonato-2-naphthyl]azo][1,1'-biphenyl]-4-yl]azo]salicylate;C.I. Direct brown 59;disodium salt;DIRECT BROWN 59;BENZOIC ACID, 2-HYDROXY-5-4'-1-HYDROXY-7-(PHENYLAMINO)-3-SULFO-2-NAPHTHALENYL AZO 1,1'-BIPHENYL-4-YL AZO-, DISODIUM SALT