Antimony pentoxide

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Antimony pentoxide, also known as antimony pentaoxide and antimony(V) oxide, is a chemical compound. Its chemical formula is Sb2O5. It has antimony and oxide ions in it. The antimony is in its +5 oxidation state.

Properties[change | change source]

It is a yellow solid. It is a strong oxidizing agent. It reacts with hydrochloric acid and hydrofluoric acid to make antimony pentachloride and antimony pentafluoride. It breaks down to antimony tetroxide when heated to a high temperature.

Preparation[change | change source]

It is made by reacting antimony trioxide with nitric acid. It can also be made by reacting antimony pentafluoride or antimony pentachloride with water.

Uses[change | change source]

Antimony pentoxide is used in fire retardants and the making of titanium dioxide. It is also used as a catalyst.

Related pages[change | change source]