Dicalcium Phosphate Anhydrous: White and odorless powder; it is soluble in diluted Hydrochloric Acid, Nitric Acid and Acetic Acid; slightly soluble in water but insoluble in Ethanol; stable in air; its relative density is: 2.32. Dicalcium Phosphate Dihydrate: White monoclinic crystal powder; odorless and colorless; it is soluble in diluted Hydrochloric Acid, Nitric Acid and Acetic Acid; slightly soluble in water but insoluble in Ethanol; its relative density is 2.32; stable in air; it will lose crystal water when heated to 75â?? and then convert to Dicalcium Phosphate Anhydrous. In the food industry, it is used as a leavening agent, dough modifier, buffer, nutritional supplement, emulsifier, and stabilizer e.g. it is applied as a leavening agent for flour, cake, pastry, bakery, as a quality modifier for bread, and fried food. Also be applied in biscuits, milk powder, drinks, and ice cream as a nutrient supplement or quality improver. In the pharmaceutical industry, it is often used as an additive in the production of Calcium tablets or other tablets. In the daily chemical industry, it is used as a friction agent.