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6669864 
Journal Article 
Sulfur hexafluoride, its properties and use 
Vondrak, J; Sedlarikova, M; Liedermann, K; , 
2001 
1 
ChemickeĢ Listy
ISSN: 0009-2770
EISSN: 1213-7103 
CHEMICKE LISTY 
PRAGUE 6 
791-795 
WOS:000173354400003 
Sulfur hexafluoride is a virtually nonreactive gas under normal conditions, slightly soluble in nonpolar solvents. It is produced in amounts up to 10 000 t/year by the reaction of sulfur with gaseous fluorine. Its main use is as a protecting atmosphere in magnesium metallurgy. Due to its high dielectric strength and its ability to quench electric discharges, it is used. as a filling for high-voltage devices. In electric discharges, it partly decomposes to other sulfur fluorides, fluorine and, in the presence of impurities, to sulfur fluoride-oxides, hydrogen fluoride and other corrosive substances. Exhalations of SF6 in atmosphere do not represent any extraordinary danger for the time being, either for the ozone layer or due to the greenhouse effect. In stratosphere, however, its occurrence was observed and hence the long-term monitoring and checking of its emissions is necessary.