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Sulfur hexafluoride is a nontoxic gas, but by displacing oxygen in the lungs, it also carries the risk of asphyxia if too much is inhaled. [53] Since it is more dense than air, a substantial quantity of gas, when released, will settle in low-lying areas and present a significant risk of asphyxiation if the area is entered.
A dielectric gas, or insulating gas, is a dielectric material in gaseous state. Its main purpose is to prevent or rapidly quench electric discharges . Dielectric gases are used as electrical insulators in high voltage applications, e.g. transformers , circuit breakers (namely sulfur hexafluoride circuit breakers ), switchgear (namely high ...
Sulphur hexafluoride (SF 6) is used primarily as an arc suppression and insulation gas. It can be found in high-voltage switchgear and is used in the production of magnesium. Nitrogen trifluoride (NF 3) is used primarily as an etchant for microelectronics fabrication.
Hexafluoride-forming elements Octahedral structure of SF 6. Seventeen elements are known to form binary hexafluorides. [2] Nine of these elements are transition metals, three are actinides, four are chalcogens, and one is a noble gas. Most hexafluorides are molecular compounds with low melting and boiling points.
Sulfur hexafluoride circuit breakers protect electrical power stations and distribution systems by interrupting electric currents, when tripped by a protective relay. Instead of oil, air, or a vacuum, a sulfur hexafluoride circuit breaker uses sulfur hexafluoride (SF 6 ) gas to cool and quench the arc on opening a circuit.
Sulfuryl fluoride (also spelled sulphuryl fluoride) is an inorganic compound with the formula SO 2 F 2.It is an easily condensed gas and has properties more similar to sulfur hexafluoride than sulfuryl chloride, being resistant to hydrolysis even up to 150 °C. [3]
The other known sulfur fluorides are sulfur difluoride, sulfur tetrafluoride, sulfur hexafluoride, disulfur decafluoride, disulfur difluoride and thiothionyl fluoride, difluorotrisulfane, and difluorotetrasulfane. [10] The F top atom can be substituted with Cl to yield ClSSF 3 (2-chloro-1,1,1-trifluorodisulfane). [5]
Sulfur dioxide: 6.803 0.05636 Sulfur hexafluoride [2] 7.857 0.0879 Tetrachloromethane [2] 20.01 0.1281 Tetrachlorosilane [2] 20.96 0.1470 Tetrafluoroethylene [2]