Used primarily in the synthesis of organic compounds, 3-Methylbenzenethiol serves as a key intermediate in the production of pharmaceuticals, agrochemicals, and dyes. Its thiol group makes it valuable in creating sulfur-containing molecules, which are often essential in drug development. Additionally, it is utilized in the preparation of ligands for metal catalysis, enhancing the efficiency of various chemical reactions. In the fragrance industry, it contributes to the formulation of certain aromatic compounds due to its distinct sulfurous odor. Its reactivity also makes it useful in polymer chemistry, where it aids in the modification of polymer structures to achieve desired properties.