Benzeneundecanoic acid finds its application primarily in the field of organic synthesis, where it serves as a building block for more complex chemical compounds. Its structure, featuring both a benzene ring and a long aliphatic chain, makes it useful in the production of specialty polymers and resins. These materials are often employed in coatings, adhesives, and other industrial products that require specific thermal and chemical resistance properties. Additionally, it can be utilized in the synthesis of surfactants and lubricants, where its unique structure helps in achieving desired viscosity and stability. In research, it is sometimes used as an intermediate in the development of pharmaceuticals and agrochemicals, contributing to the creation of compounds with targeted biological activities.