Nitrous oxide Gas

Main applications

1. Industries Applications
2. Pharmaceuticals

• Nitrous oxide is used as gas propellant for aerosols packaging.
• Food and Beverage
• Nitrous oxide is used as gas propellant for aerosols packaging.
• Laboratories & analysis
• Nitrous oxide is a comburant for the flame in atomic absorption spectrophotometry.
• N2O is used in calibration gas mixtures for petrochemical industry; environmental emission monitoring, industrial hygiene monitors and trace impurity analyzers.
• Electronics
• In semiconductor manufacturing, nitrous oxide can be the oxygen source for chemical vapor deposition (CVD) of silicon oxynitride (doped or undoped) or silicon dioxide.
• Other industries
• Combustive for engine of scale models

• Gas Properties

Molecular weight  : 44.013 g/mol Solid phase

• Melting point  : -91 °C
• Latent heat of fusion (1,013 bar, at triple point) : 148.53 kJ/kg

Liquid phase

• Liquid density (1.013 bar at boiling point) : 1222.8 kg/m3
• Liquid/gas equivalent (1.013 bar and 15 °C (59 °F)) : 662 vol/vol
• Boiling point (1.013 bar) : -88.5 °C
• Latent heat of vaporization (1.013 bar at boiling point) : 376.14 kJ/kg
• Vapor pressure (at 20 °C or 68 °F) : 58.5 bar

Critical point

• Critical temperature  : 36.4 °C
•  Critical pressure  : 72.45 bar

Gaseous phase

• Gas density (1.013 bar at boiling point) : 3.16 kg/m3
•  Gas density (1.013 bar and 15 °C (59 °F)) : 1.872 kg/m3
• Compressibility Factor (Z) (1.013 bar and 15 °C (59 °F)) : 0.9939
• Specific gravity (air = 1) (1.013 bar and 21 °C (70 °F)) : 1.53
•  Specific volume (1.013 bar and 21 °C (70 °F)) : 0.543 m3/kg
• Heat capacity at constant pressure (Cp) (1.013 bar and 15 °C (59 °F)) : 0.038 kJ/(mol.K)
• Heat capacity at constant volume (Cv) (1.013 bar and 15 °C (59 °F)) : 0.029 kJ/(mol.K)
• Ratio of specific heats (Gamma:Cp/Cv) (1.013 bar and 15 °C (59 °F)) : 1.302256
• Viscosity (1.013 bar and 0 °C (32 °F)) : 0.000136 Poise
• Thermal conductivity (1.013 bar and 0 °C (32 °F)) : 14.57 mW/(m.K)