Used primarily in research related to environmental pollutants and persistent organic pollutants (POPs), this compound serves as a model substance for studying the behavior, toxicity, and degradation of polychlorinated biphenyls (PCBs) in ecosystems. It helps scientists assess bioaccumulation potential, metabolic pathways, and long-term ecological impacts due to its structural stability and resistance to breakdown. Often employed in analytical standards, it supports detection and quantification of PCB contamination in soil, water, and biological samples. Its presence is monitored in regulatory studies due to concerns over toxicity, environmental persistence, and potential health risks in wildlife and humans.