Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases p. 2535 - 2546 (1982)
Update date:2022-08-11
Topics:
Cowley, Leslie T.
Waddington, David J.
Woolley, Allan
The principal product of the photo-oxidation of trans-2,2'-azopropane between 333 and 373 K are acetone, isopropyl alcohol, isopropyl hydroperoxide, acetaldehyde, formaldehyde, methyl alcohol and cis-2,2'-azopropane.The reaction mechanism has been simulated in detail, and, in conjunction with results obtained earlier for the overall self-reaction of isopropylperoxy radicals, the following rate data have been obtained for the reactions 2(CH3)2CHO2. --> (CH3)2CHOH + (CH3)2CO + O2 (3a) 2(CH3)2CHO2. --> 2(CH3)2CHO. + O2 (3b) k3b/k3a increases with temperature, from 1.39 +/-0.04 at 302 K and 2.80 +/- 0.08 at 373 K.Values of A3a and A3b of 2.44 +/- 0.31E7 and 1.38 +/-0.26E9 dm3 mol-1 s-1 and E3a and E3b of 12.0 +/- 1.0 and 21.3 +/- 1.5 kJ mol-1 were determined.
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