Lithium Chloride is extremely soluble in polar solvents such as water due to the small size of Li+ ion. LiCl form crystalline hydrates, unlike other alkali metal c hlorides. The anhydrous salt can be regenerated by heating the hydrates. LiCl also absorbs up to four equivalents of ammonia/mol.
There are many ways of manufacturing Lithium Chloride:
Method 1: Lithium chloride may be prepared by reaction of lithium carbonate or lithium hydroxide with hydrochloric acid followed by crystallization:
Li2CO3+ 2HCl → 2LiCl + CO2+ H2O LiOH + HCl → LiCl + H2O
Crystallization above 95°C yields anhydrous salt. Hot solution upon cooling forms crystals of monohydrate, LiCl.H2O.
Method 2: Reaction of lithium ores with chlorides or natural brines.