Abstract
Thermal decomposition of formaldehyde diperoxide (1,2,4,5-tetraoxane) in aqueous solution with an initial concentration of 6.22 × 10−3 M was studied in the temperatures range from 403 to 439 K. The reaction was found to follow first-order kinetic law, and formaldehyde was the major decomposition product. The activation parameters of the initial step of the reaction (ΔH ≠ = 15.25 ± 0.5 kcal mol−1, ΔS ≠ = −47.78 ± 0.4 cal mol−1K−1, E a = 16.09 ± 0.5 kcal mol−1) support a mechanism involving homolytic rupture of one peroxide bond in the 1,2,4,5-tetraoxane molecule with participation of the solvent and formation of a diradical intermediate.
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Published in Russian in Zhurnal Obshchei Khimii, 2009, Vol. 79, No. 10, pp. 1692–1696.
The text was submitted by the authors in English.
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Cazut, S.A.I., Ramírez Maisuls, E.H., Delfino, M.R. et al. Thermal decomposition of formaldehyde diperoxide in aqueous solution. Russ J Gen Chem 79, 2187–2190 (2009). https://doi.org/10.1134/S107036320910017X
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DOI: https://doi.org/10.1134/S107036320910017X