Potassium hydroxide is easy to absorb the moisture in the air, then deliquesce, absorb carbon dioxide and becomes potassium carbonate. It will generate a lot of heat when dissolved in water, alcohol or treatment with acid while. The PH value of 0.1mol / L solution is 13.5. Potassium hydroxide can be dissolved in alcohol, slightly soluble in ether. It has a strong alkaline and corrosivity, with the similar character of caustic soda.
Used in desiccant, absorbent, making oxalic acid and other sylvite. It can also be used in electronic plating, carving, lithography, chemical raw materials, medicine, daily-use chemical industry etc.