Widely used as a hypervalent iodine reagent in organic synthesis, it serves as a versatile oxidizing agent. It enables a variety of transformations such as the oxidation of alcohols to carbonyl compounds, and the functionalization of C–H bonds. It is particularly effective in oxidative dearomatization of phenols and in the preparation of radicals under mild conditions. Commonly employed in electrophilic reactions, it facilitates the introduction of acetoxy groups and supports halogenation, azidation, and cyanation when combined with appropriate reagents. Its low toxicity and ease of handling make it a preferred choice over heavy metal oxidants in pharmaceutical and fine chemical manufacturing.