The product as an important green orgnic pigment, is obtained when PCB-free copper phthalocyanine is chlorinated at high temperature by passing chlorine gas through mixture with a low melting point and then undergoes further treatment.
The product has an appearance of dark green-colored unitorm powder. It is insoluble in water and organic solvents, but soluble in strong sulfuric acid and chlorosulfonic acid. It remains stable to relative high temperature up to 150 degree C in the air and 250 drgree C in resin, without sublimation. The product is rated 8 in light fastness, and also has good fastness to hear, acids and alkalis. However, it can be decolored more or less in contact with strong oxidizing agent in water.