Chemical formula Li2CO3, colorless monoclinic crystal, soluble in water, dilute acid, insoluble in ethanol, acetone. Carbonates with lower thermal stability than other elements of the same group in the periodic table, not deliquescent in air, can be obtained by adding sodium carbonate to lithium sulfate or lithium oxide solution.

Can be used for ceramics, medicine, catalyst, etc. Common lithium ion battery raw material.