1325-95-7

4-(Dichloro(4-(dimethylamino)phenyl)methyl)-N,N-dimethylbenzenamine and N-methyl-N-phenylnaphthalen-2-amine?condensation, then use a hydrate or hair smoke sulphonated sulfuric acid.

colourful blue purple. Soluble in water and ethanol is purple. The strong sulfuric acid for yellow brown, diluted for the green, then into blue. In water solution to join sodium hydroxide to blue.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
		Fading	Stain		Fading	Stain	Fading	Stain
ISO	1	2	3	3	1		3-4