Gas Properties - Nitrogen

Gas Name	Chemical Formula	Chemical Family
Nitrogen	N₂	Inert Gas
Synonym(s)	Nitrogen NF

Molecular Weight	Critical Pressure (psia)	Critical Temperature (R)	Ratio of Specific Heats
28.010	493	227	1.404
Physical Characteristics		Solubility
Colorless, Odorless		Slightly soluble in water and alcohol.
Applications or Uses
Fertilizer Production, Purge Gas, Injection
Hazards
Asphyxiant. Titanium will burn in the presence of pure nitrogen.
Material Requirements
Non-corrosive. Standard materials of construction. Piston rings, riders and packing rings need to be reviewed.
Lubrication
Standard guidelines for air apply.
Comments
Closely monitor discharge temperature. Bone dry nitrogen can cause problems with packing, rings, and wear bands. Ensure that materials are selected for the specific moisture content.

Application Manual