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Nitrogen monoxide 1.8, liquefied under pressure

liquefied under pressure
Purity 98 vol.%
Descriptions Nitrogen monoxide 1.8

Impurities

Moisture 5000 vol. ppm
Delivery formats In steel cylinders
Cylinders/container volumes 10 l
Content (kg) 12
Vapour Pressure (bar) 0,8

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 corrosive , oxidising , highly toxic
Valve connection DIN 477 No. 8 | (1)
Shoulder colour zinc yellow (RAL 1018)

Conversions

m3 kg l liquefied
1 at 288.15 K (15°C); 1 bar 1,000 1,890 1,310
1 kg 0,529 1,000 0,693
1 l liquid at T boiling point; 1 bar 0,763 1,443 1,000

Other delivery formats

on request

Across a wide temperature range nitrogen dioxide exists as a mixture of NO₂ and N₂O₄ (dinitrogen tetroxide). The physical data given is that for the mixture existing at the corresponding temperature.

Physical Data

Molar mass 46,01 g mol-1
Liquid State
Boiling Point 294,25 (21,1) K (°C)
Heat of Evaporation 414,40 kJ kg-1
Liquid Density 1439,0 kg m-3
Gaseous state
Density (at 273.15 K and 1.013 bar) 3,65 kg m-3
Density Ratio to Air (at 288.15 K and 1.013 bar) ~3
Specific heat (at 298.15 K and 1.013 bar) 1,33 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 431 (157,9) K (°C)
Pressure 101,32 bar
Density 550,0 kg m-3
Triple Point
Temperature 262 (-11,2) K (°C)
Vapour Pressure 0,1860 bar
Heat of Fusion 159,5 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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