Tetraethylammonium perchlorate is an organic compound containing ammonium ions and perchlorate ions. It is commonly used as an electrolyte in electrochemistry and as a source of perchlorate anions in analytical chemistry. With its high ionic conductivity and stability under extreme conditions, tetraethylammonium perchlorate finds various applications in the production of batteries, fuel cells, and electronic components. Additionally, it serves as a reference standard in analytical methods such as ion chromatography.