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Protadur® E 942 (Dinitrogen monoxide), liquefied under pressure

liquefied under pressure
Purity 99 vol.%
Descriptions Protadur® E 942 (Dinitrogen monoxide)

Impurities

Moisture 500 vol. ppm
Carbon monoxide 30 vol. ppm
Nitrogen oxide 10 vol. ppm
Delivery formats In steel cylinders and 12-cylinder bundles
Cylinders/container volumes 50 l 12 x 50 l
Content (kg) 37,5 450
Vapour Pressure (bar) 45 45

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 oxidising
Valve connection DIN 477 No. 11 | (G 3/8)
Shoulder colour gentian blue (RAL 5010)

Conversions

m3 kg l liquefied
1 at 288.15 K (15°C); 1 bar 1,000 1,851 1,512
1 kg 0,540 1,000 0,817
1 l liquid at T boiling point; 1 bar 0,661 1,224 1,000

Other delivery formats

on request ; Alumini® 12 Dinitrogen monoxide 4.5 ; in static tank: Dinitrogen monoxide for medical applications, Protadur® E 942 ; in steel cylinders and bundles: Dinitrogen monoxide 1.8, 2.5, 5.0, for medical applications and Protadur® E 942

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 44,01 g mol-1
Liquid State
Boiling Point 184,68 (-88,5) K (°C)
Heat of Evaporation 376,14 kJ kg-1
Liquid Density 1222,8 kg m-3
Gaseous state
Density (at 273.15 K and 1.013 bar) 1,97 kg m-3
Density Ratio to Air (at 288.15 K and 1.013 bar) 1,53
Specific heat (at 298.15 K and 1.013 bar) 0,88 kJ kg-1 K-1
Thermal Conductivity (at 288.15 K and 1.013 bar) 0,0016 J s-1 m-1 K-1
Critical Point
Temperature 309,56 (36,4) K (°C)
Pressure 72,45 bar
Density 452,0 kg m-3
Triple Point
Temperature 182,3 (-90,9) K (°C)
Vapour Pressure 0,878 bar
Heat of Fusion 148,6 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:

Manufacturers' gas outlet fittings introduced in line with EC Regulation 1935/2004/EC.
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