Basic physical and chemical reference
- Appearance
- Odorless white solid that sublimes at ambient conditions to colorless, odorless carbon dioxide gas.
- Solid density
- Approximately 1.56 g/cm³ near the sublimation temperature.
- Sublimation temperature
- -78.5 °C at atmospheric pressure.
- Water interaction
- Slightly soluble in water and can form carbonic acid.

