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Formula: SF6

Sulfur Hexafluoride (SF6) is a colorless, odorless, non-toxic, liquified gas.


Sulfur Hexafluoride (SF6) is used as a gaseous dielectric in high voltage equipment. SF6 has outstanding arc quenching properties and allows for simplified design of switchgear because of size and weight reduction. Other SF6 applications include magnesium and aluminum production and leak testing.

Grade 3.0
Purity 99.9%
Air (N2+O2)  < 400 ppmv
CF4 < 400 ppmv
Water  < 8 ppmv
Acidity (HF)  < 0.3 ppmv/w

**Moisture level guaranteed only when Electronic Fluorocarbons prepares the cylinders.
All concentrations are on a mol/mol basis unless otherwise stated.
Product sold on the basis of total impurities. Individual impurities may vary slightly.

Chemical & Physical Properties
Molecular Weight 146.05
Specific Volume 2.65 cu.ft/lb
Pressure @ 70 deg 298 psig
Valve Outlet CGA 590 DISS 716


Shipping Information
DOT Name Sulfur Hexafluoride
Hazard Class 2.2
DOT No. UN 1080
DOT Label Green, Non-flammable gas
CAS No. 2551-62-4


Cylinder Size Fill Volume (L)
44L/Size 200 115
16L/Size 80 35
7L/Size 35 18