Al₂O₃ + P₂O₅ → 2 AlPO₄

This is an acid-base reaction (neutralization): Al₂O₃ is a base, P₂O₅ is an acid.

Reactants:

• Al₂O₃
  • Names: Aluminium oxide (Aluminum oxide) , Aluminum oxide , Aluminium oxide ... show moreAlpha-Alumina , Alumina , Aluminum trioxide , Alpha-Aluminum oxide , Abramant , Abramax , Abrarex , Abrasit , Alcoa F 1 , Almite , Alon C , Aloxite , Cab-O-grip , Catapal S , Compalox , Conopal , Diadur , Dialuminum trioxide , Dispal alumina , Dispal M , Dural , Dotment 324 , Dotment 358 , Exolon XW 60 , Faserton , Fasertonerde , Hypalox II , Jubenon R , Ketjen B , Lucalox , Martoxin , Poraminar , Aluminum oxide [a-Alumina] , Aluminum trioxide [a-Alumina] , [Note: α-Alumina is the main component of technical grade alumina. Corundum is natural Al2O3. Emery is an impure crystalline variety of Al2O3.] show less
  • Appearance: White solid ; White powder ; White, odorless, crystalline powder.
• P₂O₅
  • Names: Phosphorus pentoxide , Diphosphorus pentoxide , Phosphorus(V) oxide ... show morePhosphoric anhydride , Tetraphosphorus decaoxide , Tetraphosphorus decoxide , Phosphorus pentaoxide show less
  • Appearance: White powder | very deliquescent | odorless ; Hygroscopic white crystals or powder

Products:

• AlPO₄
  • Names: Aluminium phosphate , Aluminum phosphate , Aluminium monophosphate ... show morePhosphoric acid , Aluminium salt (1:1) , Aluminium phosphate tribasic , Aluminum monophosphate , Aluminophosphoric acid , Aluminium orthophosphate show less
  • Appearance: White, crystalline powder ; White crystalline powder