o-Cresol is widely used as an intermediate in the production of antioxidants, particularly in the synthesis of butylated hydroxytoluene (BHT), which is added to food, plastics, and fuels to prevent oxidative degradation. It serves as a key raw material in manufacturing agrochemicals, including certain herbicides and pesticides, due to its ability to modify biological activity in targeted compounds. In the pharmaceutical industry, o-cresol is employed in the synthesis of analgesics and antiseptics. It also finds use as a disinfectant and preservative in industrial settings, especially in low-concentration formulations for controlling microbial growth. Additionally, it is utilized in the preparation of dyes, fragrances, and specialty resins where specific aromatic substitution patterns are required. Its reactivity and solubility properties make it suitable as a solvent and stabilizer in some chemical processes.