[2-[[4-[(2-cyano-4-nitrophenyl)azo]phenyl]ethylamino]ethyl]trimethylammonium methyl sulphate

Preparation

2-Cyano-4-nitroaniline diazo, and ?(N-ethylanilinoethyl)trimethylammonium methyl sulfate?coupling

Properties and Applications

dark blue light red. Soluble in water for blu-ray red. The strong sulfuric acid dyes in scarlet, diluted into a peach. Acrylic fiber as a dark blue dye red, tungsten filament in a yellow light. In 120 ℃ high temperature dyeing, colored light unchanged. Mainly used in acrylic and two vinegar fiber dyeing and printing directly, spell color good sex.