
%0 Journal Article
%A Daly, NJ 
%A Ziolkowski, F 
%T Thermal decomposition of citraconic anhydride
%J Australian Journal of Chemistry
%D 1971/04/01
%V 24
%N 4
%P 771-775
%K 
%R https://doi.org/10.1071/CH9710771
%U https://www.publish.csiro.au/paper/CH9710771 
%X Citraconic anhydride decomposes in the gas phase over the range 440- 490° to give carbon dioxide, carbon monoxide, and propyne which undergoes some polymerization to trimethylbenzenes. The decomposition obeys first-order kinetics, and the Arrhenius equation                       k1 = 1015.64 exp(-64233±500/RT) (s-1)   describes the variation of rate constant with temperature. The rate constant is unaffected by the addition of isobutene or by increase in the surface/volume ratio of the reaction vessel. The reaction appears to be unimolecular and if a diradical intermediate is involved it may not be fully formed in the transition state. 
