Used as a solvent in paint, ink, and adhesive formulations due to its effectiveness in dissolving resins and polymers. Also serves as a key raw material in the production of phthalic anhydride, which is essential for making plasticizers used in flexible plastics like PVC. Employed in the synthesis of dyes, perfumes, and pesticides. In laboratories, it is utilized as a clearing agent in histology for tissue processing. Additionally, o-Xylene is used in the manufacturing of certain types of polyester resins and as a component in some fuel mixtures to improve performance.