| General Characteristics |
Carbon dioxide is a colorless, odorless, nontoxic and nonflammable gas. It is slightly acidic. It is shipped as a liquefied gas under its own vapor pressure. |
| |
| Physical Properties |
| Molecular Weight |
44.01 |
| Flammability Limits in air |
Nonflammable |
Specific Gravity,
Gas @ 70°F(21.1°C), 1 atm(Air=1) |
1.53 |
Density,
Gas @ 70°F(21.1°C), 1 atm |
0.1144lbs/ft^3 (1.832g/l) |
Specific Volume,
Gas @ 70°F(21.1°C), 1 atm |
8.70ft^3/lb (0.543l/g) |
| Freezing Point @ 75.1 psia (518 kPa) |
-69.83°F (-56.57°C) |
| Sublimation Point @ 1 atm |
-110.0°F (-78.8°C) |
| Triple Point @ 5.11 atm |
-69.9°F (-56.6°C) |
| Critical Temperature |
87.9°F (31.0°C) |
| Critical Pressure |
1070.8 psia (73.83 bar) |
| Toxicity |
| STEL |
30000 ppm |
| TLV-TWA |
5000 ppm |
| TCLo (Inhalation Human) pulmonary effects |
2000 ppm |
| LCLo RAT, 15 minutes |
657190 ppm |
