3-amino-7-(dimethylamino)-5-phenylphenazinium chloride

(a) N1,N1-dimethylbenzene-1,4-diamine and a mixture of aniline oxidation, then converted to the chloride; (b) N,N-dimethyl-4-nitrosobenzenamine?and N1-phenylbenzene-1,3-diamine?heating.

red light purple. Soluble in cold, hot water for product red, easily soluble in ethanol for purple, easily soluble in soluble fiber element. The strong sulfuric acid for green, blue for diluted, to purple. The dye solution to join sodium hydroxide have light brown red precipitate.

Standard( Cotton )	Light Fastness	Persperation Fastness		Ironing Fastness		Soaping
		Fading	Stain	Fading	Stain	Fading	Stain
A	2	2-3		3		2