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Protadur® E 939 (Helium), gaseous, compressed in trailer

gaseous, compressed in trailer
Purity 99,999 vol.%
Descriptions Protadur® E 939 (Helium)

Impurities

Moisture 3 vol. ppm
Hydrocarbons 1 vol. ppm
Nitrogen 5 vol. ppm
Oxygen 2 vol. ppm
Delivery formats For static tank installations
Cylinders/container volumes 50 l 12 x 50 l
(m3) 9,1 109,2
(bar) 200 200
Properties asphyxiant
Valve connection plant specific
Shoulder colour none, proper transport marking in accordance with ADR

Conversions

m3 kg l liquefied
1 at 288.15 K (15°C); 1 bar 1,000 0,167 1,336
1 kg 5,988 1,000 8,001
1 l liquid at T boiling point; 1 bar 0,748 0,125 1,000

Other delivery formats

on request ; Alumini® 12, 200 Helium 5.0 ; liquid helium for cryocontainer ; in trailer: Helium 4.6 ; in steel cylinders and bundles: Helium 4.6, 5.0, 5.5, 6.0, ECD, Protadur® E 939, balloon gas, Secudur® He ; in 300 bar technology: Helium 4.6, 5.0 and 6.0

Manufacture complies with the requirements of EC Regulation 178/2002/EC and corresponds to purity requirements for food additives according to regulation (EU) 231/2012.

Physical Data

Molar mass 4,00 g mol-1
Liquid State
Boiling Point 4,22 (-268,9) K (°C)
Heat of Evaporation 20,42 kJ kg-1
Liquid Density 125 kg m-3
Gaseous state
Density (at 273.15 K and 1.013 bar) 0,18 kg m-3
Density Ratio to Air (at 288.15 K and 1.013 bar) 0,14
Specific heat (at 298.15 K and 1.013 bar) 5,20 kJ kg-1 K-1
Thermal Conductivity (at 288.15 K and 1.013 bar) 0,1482 J s-1 m-1 K-1
Critical Point
Temperature 5,2 (-268,0) K (°C)
Pressure 2,28 bar
Density 69,6 kg m-3
Triple Point
Temperature 2,177 (-271,0) K (°C)
Vapour Pressure 0,051 bar
Heat of Fusion 3,49 kJ kg-1
Additional operating figures
Ignition Point -- K (°C)
Ignition Range in Air -- vol.%
Calorific Value to DIN 51850 -- kJ kg-3

Triple point: upper lambda-point

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