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This is Copper Phthalocyanine Blue Crude with chemical group Copper -Phthalocyanine Blue. A process for the production of a copper phthalocyanine by a urea method, which enables the production of a highly pure copper phthalocyanine andor its derivative by a uniform reaction, i.e., is free from problems of an more...
Take above heated crude material into dumping vessel with spent sulphuric acid (mother liquor from Alpha Blue) and add water.Then start heating up to 95 deg C and maintain for 3 hrs.. Then filter in filter press, wash it , Neutralize it , dry & pulverize it and packed the final product as a CPC blue.After fil more...