NIGHT BLUE

Preparation

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

Definition

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.

Properties and Applications

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