Reactive Blue 231

Preparation

Copper phthalocyanine use chlorosulfonic and chlorinated and sulfones chlorosulfonated, with four ammonia, with N-Acetylethylenediamine?first condensation, hydrolysis,?2-(4-Aminophenylsulfonyl)ethyl hydrogen sulfate and 2,4,6-Trichloro-1,3,5-triazine second condensation, and hydrolysis product third condensation, and then salting-out.

Properties and Applications

colourful green light blue.

Standard	Light Fastness	Oxygen bleaching		Persperation Fastness		Soaping
		Fading	Stain	Fading	Stain	Fading	Stain
ISO	6	4-5		4-5	3	4-5	4