Lithium hydroxide LiOH
Lithium hydroxide is an inorganic compound with the formula LiOH. It is a white hygroscopic crystalline material. It is soluble in water and slightly soluble in ethanol, and is available commercially in anhydrous form and as the monohydrate (LiOH.H2O), both of which are strong bases. It is the weakest base among the alkali metal hydroxides.
|Solubility in water at 20°C:||128 g/L (anhydrous LiOH)|
|Density:||1.46 g/cm3 (anhydrous)|
|1.51 g/cm3 (monohydrate)|
Lithium hydroxide is produced in a metathesis reaction between lithium carbonate and calcium hydroxide:
Li2CO3 + Ca(OH)2 → 2 LiOH + CaCO3
The initially produced hydrate is dehydrated by heating under vacuum up to 180 °C.