Characteristic

Copper(II) phosphate (not to be confused with copper(I) phosphate) is an inorganic compound consisting of copper cations and the phosphate anions; with the chemical formula Cu₃(PO4)₂. It may also be regarded as the cupric salt of phosphoric acid.

Chemical formula:Cu₃(PO4)₂

Molar mass:380.580722 g/mol (anhydrous);434.63 g/mol (trihydrate)

Appearance:light bluish-green powder (anhydrous);blue or olive crystals (trihydrate)

Solubility in water:insoluble

Solubility:anhydrous:soluble in ammonia

           trihydrate:soluble in ammonium hydroxide

           slightly soluble in acetone

           insoluble in ethanol

Crystal structure:orthorhombic (trihydrate)

Application

Copper(II) phosphate is used as organic catalyst, fertilizer, emulsifier, corrosion inhibitor for phosphoric acid, metal protectant, and animal feed additive.