NIGHT BLUE

4-(Dichloro(4-(diethylamino)phenyl)methyl)-N,N-diethylbenzenamine and ?N-p-tolylnaphthalen-1-amine?condensation.

ChEBI: An iminium salt composed of 4-{(4-anilinonaphthalen-1-yl)[4-(diethylamino)phenyl]methylidene}-N,N-diethylcyclohexa-2,5-dien-1-iminium and chloride ions in a 1:1 ratio.

blue. Soluble in water for blue purple, easily soluble in ethanol for purple. The strong sulfuric acid for yellow brown, rare to green, then turned blue.?Sodium hydroxide aqueous dye solution with a light red-brown precipitate.

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