8 NaOH + Al₂(SO₄)₃ → 2 Na[Al(OH)₄] + 3 Na₂SO₄

This is a complexation reaction: Na[Al(OH)₄] is the formed complex.

Reactants:

• NaOH
  • Names: Sodium hydroxide , Caustic soda , Lye ... show moreSoda lye , Sodium hydrate , NaOH , White caustic , Lye [Sodium hydroxide] show less
  • Appearance: White, waxy, opaque crystals ; White hygroscopic solid in various forms ; Colorless to white, odorless solid (flakes, beads, granular form).
• Al₂(SO₄)₃ – Aluminium sulfate
  • Other names: Aluminum sulfate , Aluminium sulphate , Cake alum ... show moreFilter alum , Papermaker's alum , Alunogenite , Aluminum salt (3:2) , Al2(SO4)3 , Alum , Aluminium sulfate (2:3) , Aluminium(III) sulfate , Aluminum(III) sulfate , Sulfuric acid, aluminium salt (3:2) , Aluminum sulfate (2:3) , Sulfatodialuminium disulfate , Sulfatodialuminum disulfate , Aluminium sulfate (anhydrous) , Dialuminium trisulfate , Aluminium sesquisulfate , Aluminium sulfate anhydrous , Dialuminum trisulfate , Aluminium sulfate (anh.) , Sulfuric acid, aluminum salt (3:2) , Aluminum sulfate anhydrous , Aluminum sulphate anhydrous , Dialuminum sulfate , Aluminium trisulfate show less
  • Appearance: White crystalline solid | hygroscopic ; Odourless white hygroscopic lustrous crystals or powder

Products:

• Na[Al(OH)₄]
• Na₂SO₄
  • Names: Sodium sulfate , Sodium sulphate , Sulfate of sodium ... show moreThenardite (mineral) , Glauber's salt (decahydrate) , Sal mirabilis (decahydrate) , Mirabilite (decahydrate mineral) , Disodium sulfate , Anhydrous sodium sulfate , Sodium sulfate anhydrous , Sodium sulfate, anhydrous , Sodium sulphate anhydrous , Sodium sulphate, anhydrous , Sulfuric acid disodium salt, anhydrous , Disodium sulphate , Salt cake , Na2SO4 , Sulfuric acid disodium salt show less
  • Appearance: White crystalline solid | hygroscopic ; White hygroscopic solid in various forms