Used primarily as a crown ether derivative, this compound functions as a selective ionophore in analytical chemistry, particularly for complexing potassium and other alkali metal ions. Its macrocyclic structure enables high binding affinity and selectivity, making it valuable in ion-selective electrodes (ISEs) and sensors. It is also employed in phase-transfer catalysis to facilitate reactions involving ionic reagents in nonpolar solvents. In research settings, it aids in the study of ion transport across membranes and is used in the design of molecular recognition systems. Additionally, it finds use in separation techniques for metal ion extraction and purification processes.