Dicalcium Phosphate (Food Additives) Formula:CaHPO4?2H2O Molecular:172.09 Specificity:White,monoclinic crystaIIine powder; odourIess;tasteless.SoIubIe in dilute HydrochIoric,Nitric and acetic acid sIightIy soIubIe in water,insoIuble in ethanol reIative density 2.32,steady in air,when heated to 75°C,it may Iose crystal water,convert to Anhydrous.