Lithium hydroxide is an inorganic compound with the formula LiOH. ... It is soluble in water and slightly soluble in ethanol, and is available commercially in anhydrous form and as the monohydrate (LiOHH2O), both of which are strong bases. It is the weakest base among the alkali metal hydroxides.

Properties: White small monoclinic crystal, spicy, strong alkaline, easy to absorb carbon dioxide and water in the air, soluble in water, slightly soluble in alcohol, specific gravity 2.41, melting point 471 °C.