Used as an intermediate in organic synthesis, particularly in the preparation of conjugated organic materials for optoelectronic devices. It serves as a building block in the fabrication of organic semiconductors, including those used in organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs). The aldehyde group allows for further functionalization via condensation reactions, enabling the extension of π-conjugated systems. Its triphenylamine-like structure contributes to good hole-transport properties, making it valuable in designing efficient charge-transport materials. Also employed in the synthesis of dyes and fluorescent probes due to its strong electron-donating characteristics and light-emitting behavior when incorporated into larger aromatic systems.