Denatured alcohol or methylated spirits is ethanol that has additives to make it poisonous, extremely bad tasting, foul smelling or nauseating, to discourage recreational consumption. In some cases it is also dyed.
Chemical Names: Ethanol; Ethyl alcohol; Alcohol; Methylcarbinol; Grain alcohol; Ethyl hydroxide. Molecular Formula: CH3CH2OH or C2H6O. Molecular Weight: 46.069 g/mol.