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.
