5-[[4-[[4-[[4-[[8-Acetylamino-1-hydroxy-3,6-bis(sodiosulfo)-2-naphthalenyl]azo]-3-ethoxy-7-sodiosulfo-1-naphthalenyl]azo]phenyl]aminocarbonyl]phenyl]azo]-2-hydroxybenzoic acid sodium salt

4-Amino-N-(4-aminophenyl)benzamide double nitride, first coupled with 2-Hydroxybenzoic acid, and then with 5-Amino-7-ehtoxy-2-naphthalenesulfonic acid coupling, product and diazotization, and 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid coupling .

green. Soluble in water for the green, soluble in ethanol for shallow blue light green. The strong sulfuric acid for yellow olive, diluted is green. The dye solution to join strong hydrochloric acid have green precipitation; Add thick dark blue light green sodium hydroxide solution precipitation.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	3	3	4	2-3		3