MF:CaHPO4..Appearance: white powder/granule; 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.. Main Application: Mineral Enrichment, Baking Products, Excipients, Toothpaste Feed Preservatives, Promote Healthy & Growth, Promote Nutrition