Lithium oxide

Lithium oxide is a chemical compound. Its chemical formula is Li₂O. It contains lithium and oxide ions.

Properties

Lithium oxide is a white solid. It is a strong base. It is corrosive when dissolved in water. Lithium oxide dissolves in water to make lithium hydroxide. It reacts with acids to make lithium salts. It reacts with carbon dioxide to form lithium carbonate. Lithium carbonate is much less corrosive. It makes a red color in a flame.

Preparation

When lithium is burned to air, it forms lithium oxide. This reaction also makes lithium nitride. It can also be made by heating lithium peroxide.

Uses

It is used as a flux in glazing ceramics. It can be used in scientific research. It could also be used in lithium ion batteries.

Safety

Lithium oxide is very corrosive. It reacts with water to make lithium hydroxide. It is toxic because of its strong alkalinity (being a base).

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