3-Aminobenzenesulfonic acid diazo, and Naphthalen-1-amine coupling, product diazo again, and p-Cresol coupling, and then will hydroxyl into b oxygen radicals.
Properties and Applications
dark red light orange. Dark red light orange powder, soluble in water. The strong sulfuric acid dyes for bright green, diluted into purple, again diluted into red. Levelness medium, dyeing copper ions in turn dark colored light obvious in iron ion colored light light yellow. This product used for wool, polyamide fiber and wool blended fabric dyeing, general is not used for printing.
