SF6. It is a colourless, odourless, inert gas that is slightly soluble in water and readily soluble in ethanol and bases.
It is used extensively in various electronic components and in the production of magnesium and aluminium.
Source: GreenFacts, based on the GreenFacts Digest on Fluorides
SF6 is a powerful greenhouse gas with a high global warming potential. It is among the six types of greenhouse gases to be curbed under the Kyoto Protocol.
There are no natural sources of sulfur hexafluoride; it originates entirely from human activities. It has a very long atmospheric lifetime.
Source: GreenFacts
Climate change - Greenhouse gas