1. Dị mfe deliquescent. Na-enwe mmetụta maka ọkụ. Ọ na-agbaze nke ukwuu na mmiri, soluble na ethanol, soluble na methanol, ọ fọrọ nke nta ka ọ ghara ịsacha ya na acetone. Njupụta ndị ikwu bụ 4.5. Ebe mgbaze bụ 621°C. Ebe a na-esi nri bụ ihe dịka 1280 ° C. Ndekọ refractive bụ 1.7876. Ọ na-akpasu iwe. Nsi, LD50 (oke, intraperitoneal) 1400mg/kg, (oke, ọnụ) 2386mg/kg.
2. Cesium iodide nwere ụdị kristal nke cesium chloride.
3. Cesium iodide nwere nkwụsi ike nke okpomọkụ, ma ọ na-adị mfe oxidized site oxygen na iru mmiri ikuku.
4. Cesium iodide nwekwara ike ime ka oxidants siri ike dị ka sodium hypochlorite, sodium bismuthate, nitric acid, permanganic acid, na chlorine.
5. Mmụba nke solubility nke ayodiin na ngwọta mmiri nke cesium iodide bụ n'ihi: CsI + I2 → CsI3.
6. Cesium iodide nwere ike imeghachi omume na nitrate ọlaọcha: CsI+AgNO3==CsNO3+AgI↓, ebe AgI (ọlaọcha iodide) bụ ihe siri ike na-acha odo odo nke na-adịghị edozi na mmiri.