Calcium phosphate is an inorganic compound with the chemical formula Ca3 (PO4) 2. It is a white crystalline or amorphous powder that is slightly soluble in water, easily soluble in dilute hydrochloric acid and nitric acid, and insoluble in ethanol, acetone, and ether. It is commonly used as an anti caking agent, acidity regulator, nutritional supplement (fortified calcium), fragrance enhancer, stabilizer, and water retention agent. It is also used as an acid making agent in medicine.

Physical and chemical properties

Density: 3.14g/cm3

Melting point: 1670 ℃

Appearance: White crystalline or amorphous powder

Solubility: Slightly soluble in water, easily soluble in dilute hydrochloric acid and nitric acid, insoluble in ethanol, acetone, and ether.