Tetrapropylammonium iodide (CAS 631-40-3)

Tetrapropylammonium iodide (TPAI) is an inorganic compound characterized by four propyl groups attached to a central iodide ion. It presents as a white solid with solubility in both water and organic solvents. Tetrapropylammonium iodide finds extensive utilization in various scientific research applications, encompassing organic synthesis, catalysis, and electrochemistry. Furthermore, it serves as a valuable reagent in biochemical assays and an electrolyte in electrochemical experiments. It acts as a reagent in biochemical assays and facilitates electrolyte-based investigations. Tetrapropylammonium iodide has contributed significantly to the synthesis of organic compounds such as amides, esters, and heterocycles. Moreover, it serves as a catalyst in diverse reactions, including the Heck reaction, the Suzuki reaction, and the Sonogashira coupling. Additionally, Tetrapropylammonium iodide is employed in electrochemical experiments for tasks like determining redox potentials. Being an ionic compound with a positive charge, Tetrapropylammonium iodide exhibits strong Lewis acid properties. This enables it to react with electron-rich molecules like amines and alcohols, leading to the formation of adducts. Additionally, Tetrapropylammonium iodide can function as a proton donor, facilitating reactions with electron-deficient molecules such as aldehydes and ketones, resulting in adduct formation.