2 Hydroxy Tempo is a low-molecular weight organic compound that is also known as a superoxide dismutase mimic. This is a catalyst suited for the oxidation of alcohols. This is required for the preparation of polymer catalyst systems as well as oxidation of several primary alcohols. This is a starting reagent suited for the synthesis of butyl bromide. 2 Hydroxy Tempo is accessible with a molecular weight of â276.356 g/mol and a melting point of 71â73 Â°C. The molecular Formula of this compound is C9H18NO2.