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Hydrogen 3.0, gaseous, compressed

gaseous, compressed
Purity 99,9 vol.%
Descriptions Hydrogen 3.0

Impurities

Oxygen 10 vol. ppm
Nitrogen 500 vol. ppm
Carbon monoxide + carbon dioxide 2 vol. ppm
Hydrocarbons 3 vol. ppm
Moisture 50 vol. ppm
Delivery formats In steel cylinders and 12-cylinder bundles
Cylinders/container volumes 10 l 50 l 12 x 50 l
Content (m3) 1,8 8,9 106,8
Filling pressure (bar) 200 200 200

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

Properties highly flammable
Valve connection DIN 477 No. 1 | (W 21.80 x 1/14 LH)
Shoulder colour flame red (RAL 3000)

Conversions

m3 kg l liquefied
1 at 288.15 K (15°C); 1 bar 1,000 0,084 1,186
1 kg 11,891 1,000 14,102
1 l liquid at T boiling point; 1 bar 0,843 0,071 1,000

Other delivery formats

on request ; Alumini® 12, 200 Hydrogen 5.0 ; in trailer: Hydrogen 3.0 and Protadur® E 949 ; in steel cylinders and bundles: Hydrogen 3.0, 5.0, 6.0 and Protadur® E 949

Physical Data

Molar mass 2,02 g mol-1
Liquid State
Boiling Point 20,38 (-252,8) K (°C)
Heat of Evaporation 454,26 kJ kg-1
Liquid Density 71,0 kg m-3
Gaseous state
Density (at 273.15 K and 1.013 bar) 0,09 kg m-3
Density Ratio to Air (at 288.15 K and 1.013 bar) 0,07
Specific heat (at 298.15 K and 1.013 bar) 14,20 kJ kg-1 K-1
Thermal Conductivity (at 288.15 K and 1.013 bar) 0,1779 J s-1 m-1 K-1
Critical Point
Temperature 33,24 (-239,9) K (°C)
Pressure 12,98 bar
Density 30,1 kg m-3
Triple Point
Temperature 14 (-259,2) K (°C)
Vapour Pressure 0,0720 bar
Heat of Fusion 58,2 kJ kg-1
Additional operating figures
Ignition Point 833 (559,9) K (°C)
Ignition Range in Air 4,0-77 vol.%
Calorific Value to DIN 51850 12745 kJ kg-3
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