caesium iodide

例句：

1. 1.This compound is used as a catalyst in the synthesis of organic compounds.
   这种化合物用作有机化合物合成的催化剂。
2. 2.The radioactive material was found to be composed mainly of caesium iodide.
   放射性物质主要由铯碘化物组成。
3. 3.Caesium iodide is a rare and valuable mineral that can be used in various applications.
   铯碘化物是一种稀有且有价值的矿物，可以用于各种应用。