Sulfur hexafluoride is a gas supplied in medical field as check gas in respiratory system due it is inert in body. The is mostly used as electric insulator. In comparison with its lot of applications, sulfur hexafluoride is a potent greenhouse gas


Formula and also structure: The sulfur hexafluoride chemistry formula is SF6 and also its molar mass is 146.00554 g mol-1. The structure of sulfur hexafluoride is octahedron, through 6 fluorine atom bound to a central sulfur atom. Each S-F bond has a 90º angle. Its chemistry structure can be created as below, in the usual representations provided for organic molecules.

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Occurrence: Sulfur hexafluoride gas and the other SxFy gases, were not freely- produced by nature. However, in this days this are uncovered in the setting as part of greenhouse gases.

Preparation: Sulfur hexafluoride is synthesized through expositing elemental sulfur (crystal heavy S8) and elemental fluorine (gas F2) at 300 ºC. ~ the reaction finishes, the SF6 is purified by heater or alkali washing to remove various other SxFy gases.

1/8S8 + 3F2 → SF6

Physical properties: sulfur hexafluoride is a colorless, tasteless and odorless gas. SF6 is non-flammable and also it is six times heavier 보다 air, its thickness is 6.602 g mL-1. That boiling suggest is -64 ºC. It is slightly soluble in water and other polar solvents. Sulfur hexafluoride is shipped together a liquefied gas.

Chemical properties: In spite, sulfur hexafluoride has 6 fluorine atoms, which is the most electronegative atom in the routine table, the dipole moment is 0. The is since the octahedral geometry permit the cancelation of every dipoles linked to the 6 S-F bonds. In consequence, sulfur hexafluoride is a non-polar molecule that is just slightly dissolve in polar compounds. Other essential fact about the chemistry the SF6, it is a an extremely stable compound, hence it cannot be fastened by various other chemical compounds and can be present in the atmosphere for countless decades, which is an eco-friendly problem.

Uses: Sulfur hexafluoride is extensively used, together dielectric medium in the production of electrical equipment fan its high family member permittivity. The magnesium industry is the second significant consumed of sulfur hexafluoride, whereby it functions as a gas to fill casting forms. Thus, SF6 has actually a variety of application in the medicine, whereby it is used in retinal surgeries to fix the vitreous chamber. Moreover, sulfur hexafluoride is injected as contrast agent because that ultrasound imaging.

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Health effects/safety hazards: sulfur hexafluoride is non-toxic, however it could be dangerous once inhaled huge quantity the gas and also it can lead come asphyxia. SF6 is the many potent greenhouse gas (gas responsible by the an international warming) early out its long-time life and its capacity to absorb or emit radiation in the atmosphere.