Used as an intermediate in organic synthesis, particularly in the preparation of macrocyclic compounds and Schiff base ligands. Its dual aldehyde groups allow for condensation reactions with diamines to form bis-Schiff bases, which are valuable in coordination chemistry for designing metal-organic frameworks and catalysts. Also employed in the development of fluorescent probes due to its ability to undergo intramolecular charge transfer upon structural modification. Its ether linkages and aromatic rings provide stability and rigidity, making it suitable for constructing molecular sensors and functional materials.