Synonyms: Benzenesulfonicacid,2,5-dichloro-4-[4-[[5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-2-sulfophenyl]azo]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]-,disodium salt (9CI); Sulfanilic acid, 2-[[1-(2,5-dichloro-4-sulfophenyl)-3-methyl-5-oxo-2-pyrazolin-4-yl]azo]-N-(4,6-dichloro-s-triazin-2-yl)-,disodium salt (7CI); C.I. Reactive Yellow 1; Helaktyn Yellow F 5G; MikacionBrilliant Yellow 6GS; Ostazin Brilliant Yellow S 6G; Procion Brilliant Yellow6GS; Procion Brilliant Yellow M 6G; Procion Brilliant Yellow MX 6G; ProcionYellow MX 6G; Reactive Light Yellow X 6G; Reactive Yellow 1; Reactive Yellow X6G