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In our previous studies 2,6 -Dichloro quinone -4- Chloroimide(Gibbs reagent) used as a mild oxidizing agent with various substrates. In our present study we are presenting the reaction rates of permethrin by Gibbs reagent. Generally Permethrin used in medications and insecticide .Permethrin generally used in agricultural field and veterinary medicine . It is a pale brown water insoluble substance. Its molecular formula is 391.29.Permethrin is a blend of stereo isomers .The reactions are consecutive : the first stage of oxidation of permethrin is by [OH-] and the second stage of oxidation is by 2,6-Dichloroquinone. The reactions are found to be first order in oxidant and first order in substrate. The reactions were independent of [OH-].The rate of reaction is increased with increasing the temperature .Majority of the reactions studied at room temperature. The mechanism is likely to involve atwo stepoxidation reaction to generate a p-quinoid species. A blue colour Gibbs -permethrincomplex is formed after completion of the reaction. A suitable mechanism is postulated to explain the result .