Warning!: Extremely cold, -109°F (-78°C). Do not put in closed containers. Do not handle with bare hands. Handle with protective gloves only to prevent skin or flesh from sticking. May cause burns or frostbite. Do not enter confined areas where used or stored until adequately ventilated. Dry ice liberates heavy carbon dioxide vapor which may cause rapid suffocation. Can increase respiration and heart rate. May cause nervous system damage. May cause dizziness and drowsiness. Use in accordance with Material Safety and Data Sheet P-4575. In case of skin burns or frostbite obtain medical attention immediately.
Property |
Value |
Formula |
CO2 |
Molecular Weight |
44.01 |
Appearance |
Colorless, odorless gas; colorless liquid, or white opaque solid (dry ice) |
Density Solid (Dry Ice) |
97.5189 lb./ft.3 at -109.3° F |
Density Liquid |
63.69 lb./ft.3 at 0° F |
Density Gas |
0.1234 lb./ft.3 at 32° F |
Melting Point |
-69.9° F, 75.1 PSIA |
Boiling Point |
-109.3° F (Sublimes) |
Triple Point |
-69.9° F, 75.1 PSIA |
Critical Temperature |
87.8° F |
Critical Pressure |
1069.4 PSIA |
Critical Density |
28.9519 lb./ft.3 |
Specific Heat Gas |
0.1989 BTU/lb. ° F (60° F) |
Specific Heat Liquid |
0.53 BTU/lb. ° F (0° F) |
Ratio of Heat Capacities |
1.3 |
Latent Heat of Fusion (Triple Point) |
85 BTU/lb. (69.9° F) |
Latent Heat of Vaporization (Liquiflow) |
122 BTU/lb. (0° F) |
Latent Heat of Sublimation (Dry Ice) |
246 BTU/lb. (-110° F) |
Viscosity Gas |
0.015 Centipoises (32° F) |
Viscosity Liquid |
0.14 Centipoises (0° F) |
Thermal Conductivity Gas |
0.0085 BTU ft./ft.2 ° F Hr. (32° F) |
Thermal Conductivity Liquid |
0.11 BTU ft./ft.2 ° F Hr. (0° F) |
Surface Tension (Liquid) |
8.23 Dynes/cm (0° F) |
Solubility in H2O |
1.79 ft.3 CO2 Gas/ft.3 H2O(32° F) |
