This chemical is primarily used as a selective complexing agent for metal ions, particularly potassium and cesium, due to its crown ether structure. It is widely applied in chemical research for ion transport studies, aiding in the separation and purification of specific metal ions from mixtures. Additionally, it is utilized in the development of ion-selective electrodes and sensors, which are critical in analytical chemistry for detecting and measuring ion concentrations. Its ability to form stable complexes with cations also makes it valuable in organic synthesis, where it can act as a phase-transfer catalyst, enhancing reaction efficiency. Furthermore, it finds applications in supramolecular chemistry for designing molecular machines and host-guest systems.