8004-53-3

2-Methyl-4-cyclohexylaniline diazo, and?4-Hydroxy-5-(phenylsulfonamido)naphthalene-2,7-disulfonic acid?coupling.

colourful red blue light. Soluble in water and ethanol for quality in red. The strong sulfuric acid for purple, diluted for pink. In water solution to join strong hydrochloric acid for product red; Add thick sodium hydroxide solution for red wine.

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