Ultrafine Products
Product description 
Superfine malachite;
Superfine copper carbonate;
Ultrafine cupric carbonate basic; 
Superfine basic copper carbonate.
CAS 12069-69-1
Product Specification 5000meshes
Molecular  Formula CuCO3.Cu(OH)2
Molecular weight 221.12
Physic-chemical Properties 
Light blue fine powder, with density of 3.85. Insoluble in unboiled water or alcohol, and dissolved in acid to form the corresponding copper salts, soluble in cyanide, sodium hydroxide, aqueous solution of alkali carbonate to form a case of copper complex. Brown copper oxide will be produced when it boiled in alkali metal carbonate solution. Unstable in the hydrogen sulfide. Become more than a dozen chemical compound when in different ratio according to CuO: CO2: H2O and the molecular  formula is CuCO3.Cu(OH)2.XH2O in industry manufacturing. The solubility in water is 0.0008%.
Product Use 
As continuously added copper source of PCB plating; new pollution-free fungicides and also for analysis reagents. To produce varied copper compound in inorganic salt industry, as organic synthesis catalyst in organic industry, as copper additive in electroplated Cu-Sn alloy coating industry and desulfurizer in crude oil storage,also widely used in wood preservation within these years. 
Packing, storage and shipping 
Aluminum foil and carton packing,each bag of 2kg,10kg, or 20kg. Seal packaging. 
Store in a cool&dry place. Keep dry in transit.