Nitrogen (N2)
DESCRIPTION (Nitrogen):

Nitrogen is a colorless, odorless, tasteless gas. Breathing Air is approximately 79% Nitrogen. It is typically used as an inert gas in electrical systems, in the chemical industry, the food packing industry and the semi-conductor industry.

PHYSICAL CONSTANTS (Nitrogen):

Molecular Weight: 28.0134
Specific Volume @ 70° F., 1 atm.: 13.8 cu.ft/lb
Boiling Point @ 1.0 atm. : -320.4°; F
Triple Point : -346.0° F
Triple Point Pressure: 94.24 mm Hg
Density, Gas @ 20° C, 1 atm: 1.1606 g/ml
Density, Liquid @ b.p..: 0.8064 g/ml
Critical Temperature: -232.8°; F
Critical Pressure: 492.45 psia
Critical Density: 0.311 g/ml
Latent Heat of Vaporization @ b.p.: 47.51 cal/g
Latent Heat of Fusion @ t.p.: 6.14 cal/g
Specific Heat, Gas @ 60° F, 1 atm. Cp: 0.2477 cal/(g)(° C)
Specific Heat, Gas @ 60° F, 1 atm. Cv: 0.1765 cal/(g)(° C)
Specific Heat Ratio, Gas Cp/Cv: 1.404
Thermal Conductivity, Gas @ 0° C. : 5.8 x 10-5 cal/(sec)(cm2 )(° C/cm)
Dielectric Constant, Liquid @ b.p.. 1.433
Viscosity, Gas @ 0° C., 1 atm. : 0.01695 centipoise
Viscosity, Gas @ 15° C., 1 atm. : 0.01744 centipoise
Solubility in Water @ 0° C., 1 atm. 2.3 cc/100cc H2O

CYLINDER CONNECTIONS (Nitrogen):

Standard CGA V-1 Cylinder Connection up to 3000 psig threaded: CGA 580
Standard CGA V-1 Cylinder Connection yoke: CGA 960
Standard CGA V-1 Cylinder Connection Oil Tolerant: CGA 621
Standard CGA V-1 Cylinder Connection 3001 - 5500 psig: CGA 680
Standard CGA V-1 Cylinder Connection 5501 - 7500 psig: CGA 677
Standard CGA V-1 Cylinder Connection Ultra High Integrity: CGA 718