2,6-Di-tert-butylphenol phenolic compound CAS 128-39-2 applied in polymer stabilization Product Introduction 2,6-Di-tert-butylphenol, CAS registry number 128-39-2, is a hindered phenolic compound. The material appears as pale yellow crystal or flake. It carries resistance against oxidation thanks to its bulky tert-butyl substituents. It exhibits low volatility and good compatibility with hydrocarbon materials. The compound can capture free radicals to suppress chain oxidation