2-tert-Butyl-4-methylphenol, commonly known as BHT (butylated hydroxytoluene), is an aromatic organic compound characterized by a tert-butyl group and a methyl group attached to a benzene ring. This compound is widely recognized for its antioxidant properties, which make it useful in various applications. Due to its ability to inhibit the oxidation process, BHT is primarily employed as a preservative in food products, cosmetics, and pharmaceuticals.