Potassium Sulphate

Potassium Sulphate is an inorganic compound in the form of a white water-soluble solid. Potassium Sulphate is typically produced by the reaction of potassium chloride with sulfuric acid. The mineral form of Potassium Sulphate, arcanite, is relatively rare.

Synonyms
Sulphate of Potash, SOP, E515i
Chemical Formula
K2SO4
CAS Number
7778-80-5

Characteristics

Molar Weight
174.26 g/mol
Melting Point
1,069°C
Boiling Point
1689°C
Flash Point
non flammable
Density
2.66 g/cm³
Forms
Crystals (large), Powder (dry), Pellets

Uses and Applications

Key applications

  • Medicines
  • Fertiliser
  • Acidifying agent
  • Rubber
  • Feedstock