ISSN: 2249–9504
CAS CODEN: IJPCDX

OXIDATION OF 1, 3-DIMETHYL-2-THIOUREA BY 3, 7-BIS(DIMETHYLAMINO) PHENAZOTHIONIUM CHLORIDE IN AQUEOUS HYDROCHLORIC ACID

Abstract

Author(s): AA. Osunlaja, SO. Idris,JF. Iyunand A. Uzairu

The stoichiometry, kinetics and mechanism of oxidation of 1,3-dimethylthiourea by 3,7-bis(dimethylamino)phenazothionium chloride have been studied in aqueous hydrochloric acid in the (8 70) x 10-2mol dm-3 range. The rate shows a first order dependence on the substrates, a linear first order dependence on [H+] and a positive salt effect. One mole of the oxidant is consumed per mol of the reductant to give the corresponding urea derivative and other products. A mechanism consistent with the experimental data has been proposed.

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