Voltammetric Behavior of Azoxybenzene, Azobenzene, and Hydrazobenzene at the Graphite Electrode.

An overview of the electrochemical reduction of oxygen at carbon-based modified electrodes

“…On the second scan only a single reduction wave of azobenzene reduction is seen, with continual scanning resulting in a decrease of the voltammetric response, consistent with literature reports that hydroazobenzene is reduced irreversibly to aniline [21,107,108] at high reduction potentials. If a polished edge plane electrode was left in an acetonitrile solution of azobenzene for 12 hours, a small reduction wave, ca.…”

Adsorptive Stripping Voltammetric Determination of Irbesartan in Bulk and Pharmaceutical Products

“…is far from the true potential of irbesartan (at -1.27 V). Accordingly, and based on similar behavior proposed by other authors (Chuang, et al, 1965, Holleck, et al, 1970, Thomas and Boto, 1975, the mechanism of the electrode reaction can be assigned to the reduction of the azo group N=N by consuming 2 electrons and 2 protons to form the hydrazo group as shown below:…”

Solvent influence on the electrochemical reduction of photochemically generated cis-azobenzene

“…The electrochemistry of trans-azobenzene and cis-azobenzene was studied in aqueous, methanolic or ethanolic solutions [5,6], where they undergo a reversible two electron reduction to hydrazobenzene. The reduction potential of both isomers is pH dependent while the potential of the cis-form is about 10-20 mV more positive than that of the trans-isomer.…”