Chemical Name: Potassium Sulphate
Other Chemcial Name: Dipotassiumsulfate; Glazier's Salt; Kaliumsulphuricum; Potassium Sulfate, Alpha; Potassiumsulfate(2:1)
Molecular Formula : K2SO4
Molecular weight: 174.27
CAS No: 7778-80-5
EINECS No.: 231-915-5
Colorless or white powder, stable in air.
Density is 2.66 g/cm3.
Melting point is 1069 ℃.
Flashing point is 1689 °C.
Solubility in 100ml water at 20 ℃ is 11g, insoluble in alcohol, carbon disulfide and acetone.
Potassium chloride, ammonium sulfate can increase its solubility in water, practically insoluble in a saturated solution of ammonium sulfate.