Dicalcium phosphate

chemical compound CaHPO₄

Dicalcium phosphate is a chemical compound. Its chemical formula is CaHPO4. It contains calcium, hydrogen, and phosphate ions.


Dicalcium phosphate is a white solid. It does not dissolve in water. It can be thought of as phosphoric acid where two of the hydrogen ions are replaced with calcium ions.


It can be made by reacting phosphoric acid with calcium hydroxide. It can also be made by reacting sulfuric acid with a certain amount of tricalcium phosphate.


It is used in fertilizers. It is also used in vitamin tablets. It is used to make sure chickens get calcium.

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