Copper Phosphate English Name: Cupric Phosphate Anhydrous CAS:10103-48-7 Chemical Formula: Cu3(PO4)2 Molecular Formula: Cu3(PO4)2.3H2O Molecular Weight: 380.59 Properties: Blue orthorhombic crystal. Thermal decomposition. Insoluble in water, liquid ammonia, slightly soluble in hot water, soluble in acid and ammonia. It is derived from the action of copper sulfate solution and diammonium hydrogen phosphate. Used as organic reaction catalysts, bactericides, emulsifiers, fertilizers, and metal surface antioxidants.