The chemical 2,6-Di-tert-butyl-4-methylphenol has a designated molecular formula of C15H24O and a molecular weight of 220.356 g/mol. Synonyms may include: Butylated hydroxytoluene, P 21, P21, Advastab 401, Agidol, Agidol 1, AI3-19683, Alkofen BP, Antioxidant 29, Antioxidant 30, Antioxidant 4, Antioxidant 4K, Antioxidant DBPC (ChemID).