Used as a food preservative due to its antimicrobial properties, especially in acidic foods like fruit juices, carbonated drinks, and pickles. Inhibits the growth of mold, yeast, and bacteria, extending shelf life. Also found in pharmaceuticals as a preservative and in topical medications for fungal skin infections like athlete's foot. Serves as a precursor in the synthesis of plasticizers, perfumes, and dyes. Commonly used in personal care products such as lotions and cosmetics to prevent microbial contamination.