Zinc iodide is widely used in organic synthesis as a catalyst or reagent, particularly in reactions involving carbon-carbon bond formation. It serves as a mild Lewis acid in various coupling reactions and cyclizations, offering good selectivity and yield under controlled conditions. In the pharmaceutical industry, it aids in the preparation of intermediate compounds for drug development. It is also employed in radiography due to its ability to form clear contrast images, especially in non-destructive testing of industrial components. Zinc iodide solutions are used in some medical applications as topical antiseptics or disinfectants, leveraging its antimicrobial properties. In materials science, it plays a role in the fabrication of semiconductors and optoelectronic devices. It is utilized in the production of transparent conductive films and as a component in certain types of batteries. Additionally, zinc iodide is used in educational and research laboratories for demonstrations and experiments involving iodine-based redox reactions and precipitation studies.