2-Amino-5-nitrophenol?diazo, and 3-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonamide coupling, and then in water solution and chromium acid were hot, make the generation of the 1:2 chromium complex.
Properties and Applications
blue-ray red. Purplish red color to purple powder. Used for wool, silk and polyamide fiber fabric dyeing, also can be used for polyamide, silk, viscose and wool fabric printing, also can be used for leather dyeing.
