Used as a key intermediate in the synthesis of fluorescent dyes and organic semiconductors due to its electron-deficient aromatic structure. Its aldehyde group allows for easy functionalization, making it valuable in constructing conjugated systems for optoelectronic devices such as organic light-emitting diodes (OLEDs) and solar cells. Also employed in the development of fluorescent probes for bioimaging and sensors, where its strong emission and sensitivity to environmental changes enhance detection capabilities. Additionally, it serves as a building block in agrochemicals and pharmaceuticals for designing compounds with enhanced photostability and electronic properties.