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Engineering ToolBox > Carbon Dioxide Properties
Properties of saturated liquid Carbon Dioxide - CO2 - density, specific heat capacity, kinematic viscosity, thermal conductivity and Prandtls number can be found in the table below
| Temperature - T - (oC) | Density - ρ - (kg/m3) | Specific Heat Capacity - cp - (x 103 J/kg.K) | Thermal Conductivity - k - (W/m.K) | Kinematic Viscosity - ν - (x 10-6 m2/s) | Prandtl Number - Pr - |
| -50 | 1156 | 1.84 | 0.086 | 0.119 | 2.96 |
| -40 | 1118 | 1.88 | 0.101 | 0.118 | 2.46 |
| -30 | 1077 | 1.97 | 0.112 | 0.117 | 2.22 |
| -20 | 1032 | 2.05 | 0.115 | 0.115 | 2.12 |
| -10 | 983 | 2.18 | 0.110 | 0.113 | 2.20 |
| 0 | 927 | 2.47 | 0.105 | 0.108 | 2.38 |
| 10 | 860 | 3.14 | 0.097 | 0.101 | 2.80 |
| 20 | 773 | 5.0 | 0.087 | 0.091 | 4.10 |
| 30 | 598 | 36.4 | 0.070 | 0.080 | 28.7 |
Carbon dioxide gas is produced from the combustion of coal or hydrocarbons or by fermentation of liquids and the breathing of humans and animals.
Carbon dioxide is at a low concentration in the atmosphere and acts as a greenhouse gas. Carbon dioxide is assimilated by plants and used to produce oxygen.
Carbon dioxide gas is colorless and heavier than air and has a slightly irritating odor.
Freezing point is -78.5oC where it forms carbon dioxide snow or dry ice.