10103-46-5 12167-74-7 Calcium hydroxide phosphate (Ca5(OH)(PO4)3) Calcium phosphate, tribasic EINECS 235-330-6 Hydroxyapatite or hydroxylapatite Pentacalcium hydroxide tris(orthophosphate), with a fluorine content of less than 0,005 by weight on the dry anhydrous product