Used as an intermediate in the synthesis of pharmaceuticals and agrochemicals, 3-Butylbenzoic acid serves as a building block for more complex organic molecules. Its structure allows for functionalization in drug development, particularly in compounds targeting inflammatory and central nervous system disorders. It is also employed in the production of specialty polymers and plasticizers, where its alkyl chain contributes to improved solubility and flexibility of the final products. Additionally, it finds use in fragrance formulations due to its aromatic characteristics and stability.