Atomic Weight: 14.0067
Colorless, odorless gas
Condenses to liquid of Boiling Point: -195.79°C
Solidifies to a solid Melting Point: -210.01 °C
Average Analysis: 99.99%
-Oxygen content of product 3 ppm (v/v) max.
-water dew point of product blew -100°C.
Gas form: in steel cylinders under pressure.
liquid form: in special tanks.
In manufacture of ammonia, nitric acid...etc, in filling high temperature thermometers, incandescent bulbs, to form an inert atmosphere for preservation of materials, for use in dry boxes or glove bags. Liquid nitrogen in food-freezing process, and in the laboratory as a coolant.