Abstract
The thermal reactions of propylene oxide (1,2-epoxypropane) were studied behind reflected shocks in a pressurized driver single-pulse shock tube over the temperature range 850-1250 K and overall densities of ∼3×10 -5 mol/cm 3 . Four isomerization products, acetone, propanal, methyl vinyl ether, and allyl alcohol, and a large number of decomposition products were obtained under shock heating. The major decomposition products in decreasing order of abundance were CO, C 2 H 4 , C 2 H 6 , and CH 4 . Studies with free-radical scavengers and with isotopically labeled reactant (C 3 D 6 O) indicated that the isomerization products and ethylene retain the original skeleton of the reactant whereas all the other products involve free-radical reactions
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