Irradiation of the equilibrated gas mixture CF(3)O(2)NO(2)<==>CF(3)O(2) + NO(2) at room temperature using the output from UV fluorescent "blacklamps" provides a rapid and simple method for the production of pure samples of CF(3)ONO(2) in high yield (ca. 80%). This synthetic procedure is superior to that described in the literature in two aspects: (i) the yield of CF(3)ONO(2) is approximately a factor of 5 greater, and (ii) the present method avoids the need for a high pressure (70 bar) reactor.
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