Used primarily in organic synthesis, this compound serves as a key intermediate in the production of various pharmaceuticals and agrochemicals. Its aldehyde group allows for versatile chemical reactions, making it valuable in the development of complex molecules. Additionally, it is employed in the synthesis of liquid crystals, which are essential components in display technologies like LCDs. Its chlorinated biphenyl structure also makes it useful in research related to environmental studies, particularly in understanding the behavior and degradation of chlorinated organic compounds.