Carbon Dioxide
| CO2 PHYSICAL PROPERTIES | ||
| US Units | SI Units | |
| Chemical formula | CO2 | CO2 |
| Molecular weight | 44.01 | 44.01 |
| Density of the gas at 70°F (21.1°C) and 1 atm | 0.1144lb/ft3 | 1.833 kg/m33 |
| Specific gravity of the gas at 32°F (0°C)and 1 atm (air=1) | 1.522 | 1.522 |
| Specific volume of the gas at 70°F (21.1°C) and 1 atm | 8.741 ft3/lb | 0.5457 kg/m3 |
| Density of the liquid saturated at 70°F (21.1°C) | 47.6 lb/ft3 | 762 kg/m33 |
| Critical temperature | 87.9°F | 31.1°C |
| Critical pressure | 1070.6 psia | 7381.8 KPa, abs |
| Critical density | 29.2 lb/ft3 | 468 kg/m3 |
| Solubility in water at 68°F (20°C) | 0.90 | 0.90 |
| Vapor pressure at 70°F (21.1°C) | 838 psig | 5778 KPa |
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