D 2056 (OTTO) 2,5 Dimethylphenol, 98% Cas 95-87-4 - used to make phenolic resins and (in isomeric mixtures) as an antioxidant for lubricating oils, gasoline, and elastomers. D 2056 (OTTO) 2,5 Dimethylphenol, 98% Cas 95-87-4 - used as perfuming agents.