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Sulphur hexafluoride 3.0, liquefied under pressure

liquefied under pressure
Purity 99,9 vol.%
Descriptions Sulphur hexafluoride 3.0

Impurities

Nitrogen + oxygen 500 vol. ppm
Moisture 15 vol. ppm
Tetrafluoromethane 500 vol. ppm
Delivery formats In steel cylinders
Cylinders/container volumes 10 l 40 l
Content (kg) 10 40
Vapour Pressure (bar) 19 19

Unless otherwise stated, these refer to vapour pressure at 288,15K (15°C) and to content at 288,15K (15°C) and 1,013 bar.

Properties asphyxiant
Valve connection DIN 477 No. 6 | (W 21.80 x 1/14)
Shoulder colour yellow green (RAL 6018)

Conversions

m3 kg l liquefied
1 at 288.15 K (15°C); 1 bar 1,000 6,180 3,330
1 kg 0,162 1,000 0,539
1 l liquid at T boiling point; 1 bar 0,300 1,856 1,000

Other delivery formats

on request ; Alumini® 12, 200 Sulphur hexafluoride 3.0

Physical Data

Molar mass 146,05 g mol-1
Sublimation point
Sublimation temperature 209,35 (-63,8) K (°C)
Heat of sublimation 161,61 kJ kg-1
Density 1880,0 kg m-3
Gaseous state
Density (at 273.15 K and 1.013 bar) 6,60 kg m-3
Density Ratio to Air (at 288.15 K and 1.013 bar) 5,10
Specific heat (at 298.15 K and 1.013 bar) 0,67 kJ kg-1 K-1
Thermal Conductivity (at 288.15 K and 1.013 bar) 0,0132 J s-1 m-1 K-1
Critical Point
Temperature 318,69 (45,5) K (°C)
Pressure 37,59 bar
Density 736,0 kg m-3
Triple Point
Temperature 222,4 (-50,8) K (°C)
Vapour Pressure 2,24 bar
Heat of Fusion 34,4 kJ kg-1
Additional operating figures
Ignition Point -- K (°C)
Ignition Range in Air -- vol.%
Calorific Value to DIN 51850 -- kJ kg-3

Typical applications

Suitable pressure regulators:

WEGA range: see brochure: "Good on Top: Pressure Regulators for Specialty Gases".
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