Basic Copper Carbonate is a green to blue powder or rhombic double cone crystal. Deliquescent in humid air, weathered in dry air. It loses moisture at 70 to 200°C. It is easily soluble in water, ethanol and methanol, slightly soluble in acetone and ethyl acetate, and slightly soluble in ether. Its aqueous solution is acidic to litmus. The pH of the 0.2 mol/L aqueous solution is 3.6. The relative density is 2.54. The crystal water is lost at 100℃. poisonous. Irritating. Used in pigments, wood preservation and other industries, and as a disinfectant, mordant, and catalyst. Basic copper chloride is toxic, the solution is green (sometimes called blue-green), the basic copper chloride dilute solution is blue, the ions are green, the solid is green, and the anhydrous Basic Copper Chloride is brown-yellow. CuCl2)n exists.