Used as a key intermediate in the synthesis of fluorescent dyes and optical brighteners due to its conjugated aromatic structure and reactive imine groups. Its electron-withdrawing nitro group enhances photostability, making it suitable for applications in sensors and luminescent materials. Also employed in the development of covalent organic frameworks (COFs) for catalysis and gas adsorption, where its rigid triazine core contributes to structural stability. Additionally, it serves as a building block in pharmaceuticals and agrochemicals, particularly in compounds requiring nitrogen-rich heterocyclic systems.