HP Gas
High-Purity Sulfur Hexafluoride (Sulfer Hexafluoride)
Properties and Classification
Appearance: Colorless and odorless gas or liquid | UN Number: 1080 |
CAS Number: 2551-62-4 | Liquefied gas |
* Refer to MSDS for detailed information on the properties and safety of the product.
Specification
Purity | wt% | Min. 99.999 |
---|---|---|
Water | wtppm | Max. 3.0 |
Acids | wtppm | Max. 0.4 |
CH4 | wtppm | Max. 0.3 |
CO2 | wtppm | Max. 0.3 |
Air | wtppm | Max. 6.0 |
Cylinder
Item | 10L cylinder | 47L cylinder | |
---|---|---|---|
Size | Inside diameter | 140mm | 232mm |
Height (to the neck portion) | 850mm | 1370mm | |
Height (with a protective cap) * | 1000mm | 1520mm | |
Valve nozzle height (center) * | 885mm | 1400mm | |
Loading weight | 10kg | 50kg | |
Material | Manganese steel |
* Estimated values for when a standard valve is mounted on a standard cylinder. The accuracy of these values is not guaranteed.
Valve
Nozzle size | Ø22 mm X 14 right-hand threads |
Material | BRASS |
Physical & Chemical Properties
Item | Unit | Data |
---|---|---|
Chemical formula | SF6 | |
Molecular weight | 146.06 | |
Boiling point | °C | -63.89 |
Sublimation point | °C | -63.7 |
°F | -82.7 | |
Melting point (223.9kPa) | °C | -50.8 |
Liquid density | kg/L | -1.540 |
Gas density (0°C, saturated liquid) | g/L | – |
Critical temperature | °C | 45.6 |
Critical pressure | MPa | 3.77 |
kg/cm2 | 36.7 | |
Flammability | Not applicable | |
Toxicity | Not applicable | |
Latent heat of vaporization (0°C, 1013MPa) | kJ/kg | 117 |
Maximum permissible concentration (ACGIH) | ppm | 1000 |
Explosive limit (in air, 35°C, 101.3 kPa) | – |