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  • 1 Mendeleev Institute of Chemical Technology Moscow USSR
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The use of halogenated organic compounds under the effect of ionizing radiation requires a comprehensive knowledge of their radiation stability. There is little experimental evidence on the radiolysis of fluorine-containing organic compounds in the literature, while a theoretical generalization enabling one to predict the main radiolysis pathways is completely lacking. This paper is concerned with the identification of stable radiolysis products of trichloromethyl-1,1,2-trifluoro-2,2-dichloroethyl ether (C3F3Cl5 O), γ-irradiated separately and the extraction system based on tributyl phosphate. Practically all the C3F3Cl5O radiolysis products were identified with the aid of gas-liquid chromatography, GC-MS, IR, UV and NMR spectroscopy and elemental analysis. Upon C3F3Cl5O radiolysis, the formation of CCl4, Cl2, COCl2, C2 Cl6, freons of various composition and long-chained ethers like CFCl2−CF2−O−CCl2−CCl3 takes place. The identification of radiolysis products allows to draw well-founded conclusions on the mechanism of C3F3Cl5O radiolysis, representing a wide class of chlorine- and fluorine-containing organic compounds.