Potassium Iodide Formula

The chemical formula for potassium iodide is KI. It consists of one potassium cation (K+) and one iodide anion (I-). The compound is a white crystalline solid with a melting point of 681°C and a boiling point of 1,330°C. It is highly soluble in water and has a slightly salty taste. Potassium iodide is commonly used in photography, medical applications, and as a nutritional supplement to prevent iodine deficiency.