2,6-Dibromo-4-nitroaniline diazo, and N,N-diethyl-3-methylbenzenamine?coupling , then cyanide.
Properties and Applications
red light blue. Blue uniform powder. Suitable for high temperature and high pressure polyester dyeing, to micro colourful green light blue, in artificial light slants dark red, also suitable for polyester printing, dyeing bath pH value for five.
