Characteristic
Potassium bisulfate is an inorganic compound with the chemical formula KHSO4 and is the potassium acid salt of sulfuric acid. It is a white, water-soluble solid.
Chemical formula:KHSO4
Molar mass:136.169 g/mol
Appearance:colorless solid
Odor:odorless
Density:2.245 g/cm3
Melting point:197 °C (387 °F; 470 K)
Boiling point:300 °C (572 °F; 573 K) (decomposes)
Solubility in water:36.6 g/100 mL (0 °C);49 g/100 mL (20 °C);121.6 g/100 mL (100 °C)
Solubility:soluble in acetone, ethanol.
Magnetic susceptibility (χ):−49.8·10−6 cm3/mol
Application
Potassium hydrogen sulfate is used in the conversion of tartrates to bitartrates in wine. It serves as a disintegrating agent in analytical chemistry and as an intermediate in the preparation of potassium persulfate by electrolysis. It is also employed in the manufacturing of fertilizers