Potassium Carbonate (K2CO3) is an inorganic compound with an extensive role in pharmaceutical laboratories. It has its other names as, Potash of Carbonic acid, Pearl ash, and Dipotassium Carbonate. It serves as a drying agent. It is the salt of carbonate, considered a good source of potassium. It is freely soluble in water and has hygroscopic properties. At high temperatures, it decomposes and loses carbon dioxide. Its appearance is deliquescent white solid, with cubic crystals. The structure of anhydrous Potassium Carbonate crystals is monoclinic.