... for water treatment 1.MF:KAl(SO4)2.12(H2O) 2.Potash alum Purity:99.2% 3.HS code:2833301000 4.CAS ... potassium sulfate dodecahydrateOther names: Potassium alum, Potash alum, Tawas 2.PropertyAluminium Potassium Sulfate is colorless, transparent, particle or crystalline powder ... expanding agent, as a drug. Alum can also be used to prepare aluminum, paints, tanning, mordant, paper, waterproof agent. food ...