Dicalcium phosphate is the calcium phosphate with the formula CaHPO₄ and its dihydrate. The “di” prefix in the common name arises because the formation of the HPO₄2– anion involves the removal of two protons from phosphoric acid, H₃PO₄. It is also known as dibasic calcium phosphate or calcium monohydrogen phosphate.
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Dicalcium phosphate in Pakistan
Formula: CaHPO4
Molar mass: 136.06 g/mol
Solubility in water: 0.02 g/100 mL (anhydrous); 0.02 g/100 mL (dihydrate)
Density: 2.93 g/cm³
Melting point: decomposes
Appearance: white powder
Crystal structure: triclinic
Available: Unlimit
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