6548-31-8

Direct Blue 159 C.I.Direct Blue 159:C.I.35775 tetrasodium 5,5'-[iminobis[(1-hydroxy-3-sulphonato-6,2-naphthylene)azo(2,5-dimethoxy-4,1-phenylene)azo]]bis(salicylate) 3,3'-[Iminobis[1-hydroxy-3-(sodiosulfo)-6,2-naphthalenediylazo(2,5-dimethoxy-4,1-phenylene)azo]]bis(6-hydroxybenzoic acid sodium) salt tetrasodium,(3Z)-3-[[4-[(2E)-2-[6-[[(6Z)-6-[[4-[(2E)-2-(3-carboxylato-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2,5-dimethoxyphenyl]hydrazinylidene]-5-oxo-7-sulfonatonaphthalen-2-yl]amino]-1-oxo-3-sulfonatonaphthalen-2-ylidene]hydrazinyl]-2,5-dimethox