1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and 2,4,6-Trimethylbenzenamine condensation, again with 2-Phenylethanol?in potassium hydroxide in heating, with hair smoke sulphonated sulfuric acid.
Properties and Applications
bright purple. Apply to wool, polyamide fiber dyeing and printing, have high dye migration sex and good permeability, suitable for piece dyed and hat industry, decoration and carpet.