Bulletin of the Chemical Society of Japan p. 467 - 470 (1983)
Update date:2022-08-17
Topics:
Abe, Yasuo
Horii, Hideo
Taniguchi, Setsuo
Kamai, Kazuo
Takagi, Masanosuke
The autoxidation of 2,3-dihydroxy-2-propenal (triose reductone) was investigated between pH 2.83 and 13.91 in the presence of disodium dihydrogen ethylenediaminetetraacetate (EDTA 2NA).The reaction obeyed the first-order rate law with respect to the triose reductone and the zeroth-order rate law with respect to oxygen when the oxygen concentration was higher than 0.246 mM (1 mM = 10-3 mol dm-3) at 30 deg C.The pH dependence of the reaction rates showed that the reaction rates are governed by the acid-base equilibrium of triose reductone.The rate constants for neutral and singly- and doubly-charged anions of triose reductone at 30 deg C were (3.6 +/- 0.1) * 10-6, (7 +/- 1) * 10-5, and (1.8 +/- 0.1) * 10-2 s-1 respectively.The hydrogen peroxide produced as a result of the triose reductone oxidation was also found to oxidize triose reductone.
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