Description CuCO3 is green powder and used for intermediate, solid phosphor activator, insecticide, seed treatment fungicide, paint pigment.CAS No. / 1184-61-4MW: 123.56 Specifications Typical Property Unit Standard Assay(Cu) % 55~58 min Zinc(Zn) % 30 ppm max Lead(Pb) % 5 min Iron(Fe) % 30 min Nickel(Ni) % 10 min Chloride(Cl) % 15 min Dissolving speed Sec 30 max Insoluble in Acid % 0.003 max Application Intermediate, solid phosphor activator, insecticide, seed treatment fungicide, paint pigment. Packaging and storage 25Kg Paper bag. Keep in dry and let the package sealed. Shelf life: more 36 months