Sulfur hexafluoride

Sulfur hexafluoride, also known as sulfur(VI) fluoride, is a chemical compound. Its chemical formula is SF6. It contains sulfur in its +6 oxidation state. It also contains fluoride ions.


Sulfur hexafluoride is a colorless, odorless gas. It is very heavy for a gas (about 5 times heavier than air).[1][2] It is non reactive, and hard to find anything that reacts with it. It is a strong greenhouse gas. This has made people put some restrictions on using it.

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