Jonnalagadda, S. B. published the artcileKinetics and mechanism of the oxidation of methylene violet by bromate at acidic pH and the dual role of bromide ion, Application of 3-Amino-7-(diethylamino)-5-phenylphenazin-5-ium chloride, the publication is Journal of Physical Chemistry A (2009), 113(19), 5540-5549, database is CAplus and MEDLINE.
A phenazinium-type dye during oxidation by bromate ion under acidic conditions exhibited a complex nonlinear behavior. The intricate kinetics of reaction of 3-amino-7-(dimethylamino)-5-phenylphenazium chloride (MV+) with acidic bromate was investigated using the stopped flow technique. Under excess acid and bromate concentration conditions, MV+ exhibited a very slow reaction initially but a very rapid reaction after an induction time. The reaction had first-order dependence on both H+ and BrO3– ions. The overall stoichiometric reaction is 2MV+ + 2BrO3– + H2O → 2MP + 2HONEt2 + N2O + 2H+ + 2Br–, where MP is dioxophenylphenazine. The active roles of various bromo and oxybromo species in the mechanism are discussed. The rapid kinetics of the direct reaction of bromine with MV+ is also reported. A 19-step mechanism, consistent with the exptl. data and validated by simulations using Simkine-2, is proposed.
Journal of Physical Chemistry A published new progress about 4569-86-2. 4569-86-2 belongs to chlorides-buliding-blocks, auxiliary class Other Aromatic Heterocyclic,Salt,Amine,Benzene, name is 3-Amino-7-(diethylamino)-5-phenylphenazin-5-ium chloride, and the molecular formula is C22H23ClN4, Application of 3-Amino-7-(diethylamino)-5-phenylphenazin-5-ium chloride.
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