2,2'-Dimethoxybiphenyl is primarily used as an intermediate in the synthesis of more complex organic compounds. It plays a significant role in the production of liquid crystals, which are essential components in display technologies such as LCD screens. The compound's structure allows it to contribute to the stability and performance of these materials. Additionally, it is utilized in the development of pharmaceuticals, where it serves as a building block for creating active pharmaceutical ingredients (APIs). Its methoxy groups make it a valuable precursor in various organic reactions, including cross-coupling reactions, which are fundamental in constructing complex molecular architectures. In research, it is often employed in studies related to organic synthesis and material science, aiding in the development of new materials with specific electronic or optical properties.