| General Characteristics |
Nitrogen is a colorless, odorless, nontoxic, nonflammable gas that is lighter than air. It is shipped in steel cylinders under high pressure. |
| |
| Physical Properties |
| Molecular Weight |
28.013 |
| Flammability Limits in air |
Nonflammable |
Specific Gravity,
Gas @ 70°F(21.1°C), 1 atm(Air=1) |
0.96 |
| Liquid Density @ Boiling Point |
50.47lb/ft^3 (808.5g/l) |
| Density, Gas @ 70°F(21.1°C), 1 atm |
0.0725lbs/ft^3 (1.16g/l) |
| Specific Volume, Gas @ 70°F(21.1°C), 1 atm |
13.8ft^3/lb (0.862l/g) |
| Boiling Point @ 1 atm |
-320.4°F (-195.8°C) |
| Critical Temperature |
-232.8°F (-147.1°C) |
| Critical Pressure |
492.45 psia (33.96 bar) |
| Toxicity |
Non-Toxic, asphyxiant only |
