Caesium nitrate is an inorganic compound belonging to nitrate. Its chemical formula is CsNO3, which is composed of nitrogen, cesium and oxygen. Among them, nitrogen and oxygen form nitrate ions by covalent bond, and nitrate ions and cesium ions are bonded by ionic bond, which is a kind of salt. Cesium nitrate is a white crystal that is soluble in water. It is used as an ingredient in pyrotechnics, as a colorant and oxidizer, for example in decoy bombs and flares.