8004-52-2

N-(4-aminophenyl)acetamide diazo, and 4-Hydroxy-5-(phenylsulfonamido)naphthalene-2,7-disulfonic acid?coupling.

red light purple. Soluble in water and ethanol for product red. The strong sulfuric acid for brick red; For product red after diluted. In water solution to join strong hydrochloric acid for product red, add thick sodium hydroxide solution for product red.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
		Fading	Stain		Fading	Stain	Fading	Stain
ISO	4	3-4	4-5	4	1	3	3-4	3
AATCC	3-4	4-5	4-5	3-4			2	2