Used as a key intermediate in the synthesis of fluorescent dyes and pigments due to its aromatic structure and functional groups that support conjugation. Its derivatives are found in optical brighteners for textiles and paper, enhancing whiteness by absorbing UV light and emitting blue fluorescence. Also employed in the development of specialty polymers with enhanced thermal and photochemical stability. Additionally, it serves as a building block in coordination chemistry for creating metal-organic frameworks (MOFs) with potential applications in sensing and gas storage.