Used as a key intermediate in organic synthesis, particularly in the preparation of conjugated materials for optoelectronic devices. It serves as a building block in the fabrication of organic semiconductors, light-emitting diodes (OLEDs), and molecular wires due to its rigid, linear structure and electron-donating methoxy groups. Its acetylene linkage enables effective π-conjugation, enhancing charge transport properties. Also employed in cross-coupling reactions to construct complex aromatic systems for pharmaceuticals and agrochemicals.