Potassium Sulphate, also called sulphate of potash or potash of sulfur, is non-flammable white crystalline salt which is soluble in water. The chemical is commonly used in fertilizers, providing both potassium and sulfur.The crude salt is also used occasionally in the manufacture of glass. Potassium sulfate is also used as a flash reducer in artillery propellant charges. It reduces muzzle flash, flare back and blast over pressure.Water Insoluble matters 0.05%Formula: K2SO4 Molar mass: 174.259 g/molMelting point: 1,069 °C boiling point: 1,689 °CDensity: 2.66 g/cm³ Soluble in: WaterStorage & Handling Condition-keep Tightly Closed.-Reacts Violently With Water.
Ammonium sulphate is an inorganic salt with a number of commercial uses.The most common use as a soil fertilizer .It contain 21% nitrogen and 24% sulfur .It is made by treating ammonia with sulfuric acid.