KaC0₃ molecular 138.21
traits white crystalline powder. 2.428g/cm³ density. 89l ° C melting point. The boiling point when decomposition. Water soluble, alkaline aqueous solution was not soluble in ethanol, acetone and ether. Hygroscopicity strong, and exposed to the air can absorb the carbon dioxide is water, change of potassium bicarbonate. Hydrate with a water-, dihydrate, Sanshui objects