Sulfur Hexafluoride, SF6 » 
Name: Sulfur Hexafluoride
Symbol: SF6
Molecular weight: 146.05 g/mol
CAS Registry ID:   2551-62-4
UN Number UN 1080

Sulfur Hexafluoride is used in semiconductor manufacturing and in the fanciest, most energy-efficient double-pane insulated windows.

Qualitative performance

Sulfur Hexafluoride(SF6) % 99,9
Nitrogen+Oxygen+Air ppm 500,0
Water(H2O) ppm 15,0
Tetrafluoromethane(CF4) ppm 500
Acidity as per mass content of hydrogen fluoride ppm 0,3
Mass content of hydrolyzed fluorides as per mass content of hydrogen fluoride ppm 1,0

Physical constants

Chemical Formula SF6
Molecular weight 146.05 g/mol
Denseness of gas at + 15°C 6,27 Kg/m3
Temperature of boiling -63.9 °C
Denseness of a liquid 1880 kg/m3
Temperature -49.4°C
Pressure 2.26 bar

Information about cylinders

Type of cylinder Bulk, ltr. Type of a valves Operating pressures, bar Net weight, kg
B40 40 DIN 477/6 22 42
B50 50 DIN 477/6 22 50

Transport data

Chemical Symbol SF6
CAS Registry ID 2551-62-4
DOT Classification Non-inflammable gas
DOT Label Non-inflammable gas
Hazard class 2.2
UN Number (oblate gas) UN 1080
Main Dangers High High Pressure and asthma
Toxility (TLV) Non-toxic gas
Range of Flammability (in an air) Non-inflammable gas
Odor Without an odor
Xenon, Xe »
Krypton, Kr »
Neon, Ne »
Helium, He »
Argon, Ar »
Lasergas, XeNe »
Lasergas, KrNe »
Lasergas, ArXeNe »
Lasergas, NeH2 »
Tetrafluoromethane, CF4 »
Octafluorocyclobutane, C4F8 »
Silicon tetrafluoride, SiF4 »
Octafluoropropane, C3F8 »