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Name: Sulfur Hexafloride
Formula: SF6
Weight: 146.06 g/mol

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Sulfur Hexafluoride melts at - 50.5 C and sublimes at - 63.9 C, critical pressure 3.759 mpa (37.2 atm), critical temp. , 45.55 C, liquid density 1.336 g/cm3, dielectric constanr 1.00204 (gas), 1.81 (liquid)

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PRODUCERS (How it gets into the atmosphere):

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PRODUCERS (How it gets into the atmosphere):

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Releases of sulfur hexafluoride occur from electrical substations, magnesium smelters and from some pther consumer goods. There are no natural gases released into the environment.

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Sulfer Hexafluoride is not considered likley to harm the environment in the vicinity of its release. On a global scale however it is a greenhouse gas contributing to global warming. It has an exremely high global warming potential, but does not contribute particularly significantly to global warming because of the small amounts released. It can persist in the atmosphere for up to thousands of years.

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SF6 is the most potent greenhouse gas that it has has evaluated, with a global warming potential of 22,200 times that of CO2 over a 100 year period. Its mixing a ratio in the atmosphere is lower than that of CO2.

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Sulfur Hexafloride is an ultrasound contrast agent that is used to improve the quality of an echocardiogram. SF6 works by changing the way ultasound wave travels within your heart. This helps the ultasound portray a sharper image of your heart.

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Its contributing to global warming is accordingly low.

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Alina Fiehn, Julian Kostinek, Maximilian Eckl, Theresa Klausner, Michał Gałkowski, Jinxuan Chen, Christoph Gerbig, Thomas Röckmann, Hossein Maazallahi, Martina Schmidt, Piotr Korbeń, Jarosław Neçki, Pawel Jagoda, Norman Wildmann, Christian Mallaun, Rostyslav Bun, Anna-Leah Nickl, Patrick Jöckel, Andreas Fix, and Anke Roiger

Atmos. Chem. Phys., 20, 12675-12695, https://doi.org/10.5194/acp-20-12675-2020, https://doi.org/10.5194/acp-20-12675-2020, 2020

Short summary

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Alina Fiehn, Julian Kostinek, Maximilian Eckl, Theresa Klausner, Michał Gałkowski, Jinxuan Chen, Christoph Gerbig, Thomas Röckmann, Hossein Maazallahi, Martina Schmidt, Piotr Korbeń, Jarosław Neçki, Pawel Jagoda, Norman Wildmann, Christian Mallaun, Rostyslav Bun, Anna-Leah Nickl, Patrick Jöckel, Andreas Fix, and Anke Roiger Atmos. Chem.

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University of Michigan | Michigan Medicine