2,5-Dichlorobenzenamine diazo, cyanogen ethyl amide and Ethyl 3-oxobutanoate condensation closed loop, with potassium hydroxide and ethanol salting-out, using hydrochloric acid acidification, product and heavy nitrides coupling.
Properties and Applications
brilliant yellow. Dark yellow powder. Mainly used for polyester and its blending mitigate things dyeing.
