| General Characteristics |
Argon is a colorless, odorless, nontoxic, nonflammable gas that is heavier than air. It is shipped in steel cylinders under high pressure. |
| |
| Physical Properties |
| Molecular Weight |
39.95 |
| Flammability Limits in air |
Nonflammable |
Specific Gravity,
Gas @ 70°F(21.1°C), 1 atm(Air=1) |
1.38 |
| Liquid Density @ Boiling Point |
86.95lbs/ft^3 (1392.8g/l) |
Density,
Gas @ 70°F(21.1°C), 1 atm |
0.1034lbs/ft^3 (1.656g/l) |
Specific Volume,
Gas @ 70°F(21.1°C), 1 atm |
9.7 ft^3/lb (0.604l/g) |
| Boiling Point @ 1 atm |
-302.55°F (-185.86°C) |
| Melting Point @ 1 atm |
-308.6°F (-189.2°C) |
| Critical Temperature |
-188.5°F (-122.5°C) |
| Critical Pressure |
705.6 psia (48.66 bar) |
| Toxicity |
Non-Toxic, asphyxiant only |
