N,N'-Bis(4-chlorophenyl)thiourea is primarily utilized in the field of chemical synthesis and material science. It serves as a key intermediate in the production of various organic compounds, particularly those used in the development of pharmaceuticals and agrochemicals. Its role in synthesizing herbicides and fungicides is notable, as it contributes to the creation of effective crop protection agents. Additionally, it is employed in the study of coordination chemistry, where it acts as a ligand to form complexes with metals, aiding in the exploration of new catalytic processes and materials. Its application in research also extends to the investigation of corrosion inhibitors, where it helps in developing compounds that protect metals from degradation in harsh environments.