Abstract

Abstract The oxidation of p-toluic acid catalyzed with cobaltic acetate was studied kinetically in acetic acid. The maximum absorption rate of oxygen was obtained in the initial stage of reaction, being represented by the same equation as in the case of toluene, ethylbenzene and cumene. That is, the kinetic equation is of first order with respect to the initial concentration of p-toluic acid, of second order with respect to the initial concentration of Co(III), and of inverse first order with respect to the initial concentration of Co(II). The relative reactivity of p-toluic acid per active hydrogen was lower than that of toluene, but higher than that of ethylbenzene and cumene. The apparent chain-length in the oxidation of p-toluic acid was much shorter than that of p-xylene oxidation.

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