Potassium sulfate is an inorganic salt with the chemical formula K2SO4, which is white crystalline powder.
Agricultural potassium sulfate is mostly pale yellow in appearance, with low hygroscopicity, difficult caking, good physical properties and convenient application. It is a good water-soluble potassium fertilizer and the main raw material for making chlorine-free nitrogen, phosphorus and potassium ternary compound fertilizer.