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.