2-Propylhexanoic acid is primarily used as an intermediate in the synthesis of various chemical compounds. It plays a significant role in the production of plasticizers, which are added to polymers to increase their flexibility, durability, and workability. These plasticizers are commonly used in the manufacturing of PVC products, such as cables, flooring, and synthetic leather. Additionally, 2-propylhexanoic acid is utilized in the formulation of lubricants and coatings, where it enhances performance and stability. Its applications also extend to the pharmaceutical industry, where it serves as a building block for the synthesis of active pharmaceutical ingredients (APIs). In the agrochemical sector, it is employed in the development of pesticides and herbicides, contributing to their effectiveness and stability.