(NH₄)₂HPO₄ + CaCl₂ → CaHPO₄ + 2 NH₄Cl

Reactants:

• (NH₄)₂HPO₄ – Diammonium hydrogen phosphate
  • Other names: Diammonium phosphate , Ammonium monohydrogen phosphate , Ammonium phosphate dibasic ... show moreDibasic ammonium phosphate , Diammonium monohydrogen phosphate , Diammonium orthophosphate , Diammonium hydrogen orthophosphate , Ammonium orthophosphate dibasic , Diammonium acid phosphate , Ammonium monohydrogen orthophosphate , Hydrogen diammonium phosphate , Phosphoric acid, diammonium salt , Ammonium phosphate, dibasic , Secondary ammonium phosphate , Ammonium phosphate , Ammonium phosphate secondary show less
  • Appearance: White powder ; Odourless white crystals or powder
• CaCl₂ – Calcium chloride
  • Other names: Calcium(II) chloride , Calcium dichloride , E509 ... show moreCalcium chloride (anhydrous) , Calcium chloride anhydrous , CaCl2 , Calcium chloride, anhydrous , Calcium Chloride , Calcium(2+) chloride show less
  • Appearance: White powder, hygroscopic ; Odourless hygroscopic colourless or white crystals

Products:

• CaHPO₄ – Calcium hydrogen phosphate
  • Other names: Dicalcium phosphate , Phosphoric acid calcium salt (1:1) , Calcium monohydrogen phosphate ... show moreCalcium hydrogen phosphate dihydrate , Dibasic calcium phosphate , E341ii show less
  • Appearance: White powder
• NH₄Cl – Ammonium chloride
  • Other names: Sal ammoniac , Salmiac , Nushadir salt ... show moreSal armagnac , Salt armoniack , Salmiak , Ammonium chloride fume , Amchlor , Ammoneric , Ammonium muriate , Darammon , Sal ammonia , Salammonite , [NH4]Cl , NH4Cl , Ammoniumchlorid , Azanium chloride , Ammonium muriate fume , Sal ammoniac fume show less
  • Appearance: White solid, hygroscopic ; Odourless colourless-to-white hygroscopic solid in various forms ; Finely divided, odorless, white particulate dispersed in air.