4-Amino-3-[(2,5-dichlorophenyl)azo]-6-[[4'-[(3-methyl-4-hydroxyphenyl)azo]-1,1'-biphenyl-4-yl]azo]-5-hydroxy-2,7-naphthalenedisulfonic acid disodium salt

4-(4-Aminophenyl)benzenamine double nitriding, first in alkaline conditions and 2,5-Dichlorobenzenamine diazo, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acidand coupled the product of three, and then o-Cresol coupling.

blue light green. Soluble in water for SAP green, soluble in ethanol are blue-green. The strong sulfuric acid for purple, for gray after diluted. The dye solution to join strong hydrochloric acid have Gray light purple precipitation; Add thick dark gray precipitation sodium hydroxide solution.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
AATCC	3	3-4	1-2	1-2