6420-04-8 Benzoic acid, 5-((4'-((4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl)azo)-3,3'-dimethyl(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-3-methyl-, disodium salt Disodium 5-((4'-((4,5-dihydro-3-methyl-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl)azo)-3,3'-dimethyl(1,1'-biphenyl)-4-yl)azo)-3-methylsalicylate EINECS 229-150-7