4,4'-Disulfanediylbis(2-methylphenol) is a specialty chemical primarily used as an antioxidant and stabilizer in the rubber and plastics industries. It is particularly employed in the production of synthetic rubber and as an aid in plastic processing, where it prevents oxidation and degradation, thereby extending the service life of rubber and plastic products. Additionally, it serves as an intermediate in the chemical industry for the synthesis of more complex compounds.