9-(2-carboxyphenyl)-3,6-bis(ethylamino)xanthylium chloride

C.I. Basic Violet 10 and weight of aniline hydrochloride, heating, in 185 ~ 190 ℃ keep 1.5 ~ 2 hours.

red to blue light was red. The dye hydrochloride soluble in water and ethanol with red fluorescent red light purple solution. The strong sulfuric acid for light yellow, diluted with red fluorescent solution for. The dye solution to join hydrochloric acid solution for yellow.

Standard( Cotton )	Light Fastness	Persperation Fastness		Ironing Fastness		Soaping
		Fading	Stain	Fading	Stain	Fading	Stain
C	1					2	5