... singly oblique crystal, soluble in ammonium citrate, hardly insoluble in cool water. 1,Chemical Name: TRIMAGNESIUM PHOSPHATE 2,Molecular Formula: Mg3(PO4 ... -15,Character: White and singly oblique crystal, soluble in ammonium citrate, but hardly insoluble in cool water. 6,Usage: It can ... ≤%0.0002 (Anhydrous)20-27 (5H2O) 15-23 (4H2O) trimagnesium phosphate