| Synonym | disodium 2-[[1-(2,5-dichloro-4-sulphonatophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]naphthalene-1-sulphonate, 1-Naphthalenesulfonic acid, 2-1-(2,5-dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-ylazo-, disodium salt, 2-[[1-(2,5-Dichloro-4-sulfophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-1-naphthalenesulfonic acid, disodium salt, Acid yellow 19 (C.I. 18967), C.I. Acid Yellow 19, Acid Yellow E-GNL, Aminyl Yellow E-GNL, Covalene Yellow RCP, disodium 2-[[1-(2,5-dichloro-4-sulphonatophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]naphthalene-1-sulphonate |
