sodium 3-[[5-(acetylethylamino)-o-tolyl]azo]-4-hydroxy-6-[(4-methoxyphenyl)amino]naphthalene-2-sulphonate

N-(3-amino-4-methylphenyl)-N-ethylacetamide?diazo, in alkaline conditions and 4-Hydroxy-6-(4-methoxyphenylamino)naphthalene-2-sulfonic acid?coupling.

ark brown. Soluble in water for brown, and adequate soluble in alcohol for brown. The strong sulfuric acid for cherry red, for brown after diluted. In water solution to join strong hydrochloric acid with olives brown precipitation; Add thick sodium hydroxide solution for red orange brown.

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