Potassium iodide is used to make organic compounds, chemical reagents, etc. The so-called iodized salt we often eat is to add potassium iodide or potassium iodate (at a ratio of 1: 20000) to ordinary salt (pure sodium chloride).
has antifungal activity and is used clinically to treat spore mycosis, dysentery, persistent erythema nodules, and vasculitis.
Potassium iodide is the raw material for preparing iodide and dyes. Potassium chloride is used as a co-solvent for photosensitive emulsifiers, food additives, iodine and some insoluble metal iodine.