2-Butylhexanoic acid is primarily used as an intermediate in the production of plasticizers, which are additives that increase the flexibility and durability of plastics. It is also employed in the synthesis of lubricants and coatings, where it enhances performance and stability. In the chemical industry, it serves as a building block for various esters and other derivatives, which find applications in adhesives, sealants, and inks. Additionally, it is utilized in the formulation of metalworking fluids, where it improves lubrication and corrosion resistance. Its versatility makes it a valuable component in industrial and manufacturing processes.