4-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1'-hydroxy[1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt

2′-Methoxy-4′-amino-5′-chlorooxanilic acid diazo, and 5-Aminonaphthalene-2-sulfonic acid coupling, product to diazo, and 5-Aminonaphthalene-2-sulfonic acid coupling, product to diazo, and 4-Hydroxynaphthalene-2-sulfonic acid?coupling, and then 2-(4-Aminophenylamino)-2-oxoacetic acid hydrolysis base.

green light blue. Soluble in water for the navy, slightly soluble in alcohol. The strong sulfuric acid in blue light gray to green light for black, diluted for purple. The dye solution to join strong hydrochloric acid have hidden cyan precipitation; Add sodium hydroxide have dark precipitation.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	4	5	5	4		4-5
AATCC	5	5	5	2-3		5