12-Phenyldodecanoic acid is primarily used in the synthesis of specialty chemicals and advanced materials. It serves as a key intermediate in the production of lubricants, where its unique structure enhances thermal stability and reduces friction. Additionally, it is employed in the development of surfactants and emulsifiers, particularly in formulations requiring hydrophobic and hydrophilic balance for industrial and cosmetic applications. The compound is also utilized in research for creating polymers with specific properties, such as improved durability and flexibility. Its phenyl group contributes to the development of organic compounds with enhanced optical and electronic characteristics, making it valuable in materials science and nanotechnology.