I want a cheap website which is easy to order from. 10 points goes to the best answer!
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Sulfur hexafluoride is not cheap. Aldrich chemical sells it in lecture bottles containing 227 g for $341.00. You'll also need a regulator to deliver it and that will set you back another $89.30, for a total of $430.30. And that doesn't even include shipping.
If you need the gas for an electronic application, you may find a number of cheaper sources (check welding gas suppliers - some of them sell it. It will be of a lower purity. If you're planning on doing something stupid with it, like inhaling it to deepen the pitch of your voice, you'll need the higher purity gas, since some of the impurities are probably quite toxic. In any event, inhaling SF6 is a good way to asphyxiate yourself and there are many cheaper ways to commit suicide (so I hope you have some other use in mind).
If you need the gas for an electronic application, you may find a number of cheaper sources (check welding gas suppliers - some of them sell it. It will be of a lower purity. If you're planning on doing something stupid with it, like inhaling it to deepen the pitch of your voice, you'll need the higher purity gas, since some of the impurities are probably quite toxic. In any event, inhaling SF6 is a good way to asphyxiate yourself and there are many cheaper ways to commit suicide (so I hope you have some other use in mind).
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Mattheson gases - it is a compressed gas
you can buy a "lecture bottle" - smallest size
you can comparision shop with Air Products or Air Liquid
you can buy a "lecture bottle" - smallest size
you can comparision shop with Air Products or Air Liquid