6222-63-5

N-(4-aminophenyl)acetamide diazo, and ?7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.

yellow light red. Soluble in water for red, red orange for adequate soluble in alcohol. The strong sulfuric acid for product red, diluted into yellow orange. In water solution to join after strong hydrochloric acid red brown precipitation; Add thick sodium hydroxide solution into a yellow brown.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
		Fading	Stain		Fading	Stain	Fading	Stain
AATCC	5