Sulfur Hexaflouride (SF6) What is sulfur hexafluoride? Sulfur hexafluoride (SF₆) is an odorless, colorless, liquefied gas that is transported in tube trailers and cylinders under its own vapor pressure. Sulfur hexafluoride is typically produced in itemized amounts through the direct fluorination of high-purity sulfur. Uses for sulfur hexafluoride Due to its relatively high density and inaction, sulfur hexafluoride is applied as an electrical insulator in transmission lines, high-voltage transformers, and microwave antennas. It has additionally been utilized as an insulating gas in double-windowpane glass. While advantageous as a high-density inert gas, SF₆ has faced limitations due to its high Global Warming Potential (GWP). For this reason, it is currently being intensely researched as to whether or not an environmentally safer substitute can be produced. For now, sulfur hexafluoride is still the preferred gas for insulation in high-voltage applications, but users are sure to handle it carefully. In the specialty gas industry, high-purity sulfur hexafluoride is often applied as an etchant in semiconductor manufacturing as a source of fluorine. Where to buy sulfur hexafluoride If you’re in search of sulfur hexafluoride or have questions regarding its uses, contact the specialty gas experts at your local PurityPlus® production plant. Use the Locate Your Nearest Provider button to find contact information for your nearby distributor. You can also find more information through our website, our catalog, or by calling 877-81P-PLUS (877-817-7587). PurityPlus also offers a Sulfur Hexafluoride SDS available via this link or in the sidebar.