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Protadur® E 949 (Hydrogen), gaseous, compressed in trailer

gaseous, compressed in trailer
Purity 99,9 vol.%
Descriptions Protadur® E 949 (Hydrogen)

Impurities

Oxygen 10 vol. ppm
Nitrogen 700 vol. ppm
Moisture 50 vol. ppm
Delivery formats For static tank installations

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 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 0,084 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

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 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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