tetrasodium 2-[[2-amino-6-[[4-[[4-[(3-carboxylato-4-hydroxyphenyl)azo]-7-sulphonato-1-naphthyl]azo]-2,5-dimethoxyphenyl]azo]-5-hydroxy-7-sulphonato-1-naphthyl]azo]-5-nitrobenzoate

5-Amino-2-hydroxybenzoic acid diazotization, and 8-Aminonaphthalene-2-sulfonic acid coupling, product and diazotization, and 2,5-Dimethoxyaniline coupling, and then re-bis-azo compound nitriding, and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, and in acidic conditions with diazotized 2-Amino-5-nitrobenzoic acid coupling.

blue ash.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	3	3-4	6	5		5
AATCC			7	4-5