1. Zosavuta kudya. Zomverera ndi kuwala. Imasungunuka kwambiri m'madzi, imasungunuka mu ethanol, imasungunuka pang'ono mu methanol, komanso pafupifupi osasungunuka mu acetone. Kuchulukana kwachibale ndi 4.5. Malo osungunuka ndi 621 ° C. Kutentha kotentha ndi pafupifupi 1280 ° C. Refractive index ndi 1.7876. Zimakwiyitsa. Poizoni, LD50 (khoswe, intraperitoneal) 1400mg/kg, (khoswe, pakamwa) 2386mg/kg.
2. Cesium iodide ili ndi mawonekedwe a kristalo a cesium chloride.
3. Cesium iodide imakhala ndi kukhazikika kwa kutentha kwamphamvu, koma imatulutsidwa mosavuta ndi okosijeni mumlengalenga wonyowa.
4. Cesium iodide imathanso kukhala oxidized ndi okosijeni wamphamvu monga sodium hypochlorite, sodium bismuthate, nitric acid, permanganic acid, ndi chlorine.
5. Kuwonjezeka kwa kusungunuka kwa ayodini mu njira yamadzi ya cesium iodide kumachitika chifukwa cha: CsI+I2→CsI3.
6. Cesium iodide imatha kuchitapo kanthu ndi silver nitrate: CsI+AgNO3==CsNO3+AgI↓, pomwe AgI (silver iodide) ndi cholimba chachikasu chomwe sichisungunuka m'madzi.
