Copper, diazotized 2-methoxy-4-nitrobenzenamine-4-[(8-hydroxy-6-sulfo-2-naphthalenyl)amino]benzoic acid coupling products complexes

2-Methoxy-4-nitrobenzenamine diazo, and 4-(8-Hydroxy-6-sulfonaphthalen-2-ylamino)benzoic acid coupling, then use glucose and sodium hydroxide reduction, reoccupy ammonia containing copper sulfate solution of processing.

blue ash. Soluble in water for dark to gray, not soluble in alcohol. In the dark for the strong sulfuric acid, diluted Gray light purple for a precipitation. Dye with strong hydrochloric acid solution for violet black, precipitation; Add thick sodium hydroxide solution as dark blue, precipitation.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	3	5	6	2-3		2-3
AATCC	3	4	6	2-3		4