- See also Carbon dioxide
| Template:Chembox header| Carbon dioxide | |
|---|---|
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| Other names | Carbonic acid gas, Carbonic anhydride, dry ice (solid) |
| Molecular formula | CO2 |
| Molar mass | 44.01 g/mol |
| Solid state | Dry ice |
| Appearance | colorless gas |
| CAS number | [124-38-9] |
| Template:Chembox header | Properties | |
| Density and phase | 1600 kg/m³, solid 1.98 kg/m³, gas at 298 K |
| Solubility in water | 1.45 kg/m³ |
| Latent heat of vaporization | 25.13 kJ/mol |
| Melting point | −57 °C (216 K), pressurized |
| Boiling point | −78 °C (195 K), sublimes |
| Acidity (pKa) | 6.35 and 10.33 |
| Viscosity | 0.07 cP at −78 °C |
| Template:Chembox header | Structure | |
| Molecular shape | linear |
| Crystal structure | quartz-like |
| Dipole moment | zero |
| Template:Chembox header | Hazards | |
| MSDS | External MSDS |
| Main hazards | asphyxiant, irritant |
| NFPA 704 | File:Nfpa h0.pngFile:Nfpa f0.pngFile:Nfpa r0.png (liquid) |
| R/S statement | R: As, Fb S: 9, 23, 36a (liquid) |
| RTECS number | FF6400000 |
| Template:Chembox header | Supplementary data page | |
| Structure & properties | n, εr, etc. |
| Spectral data | UV, IR, NMR, MS |
| Template:Chembox header | Related compounds | |
| Related oxides | methanal iron(III) oxide |
| Related compounds | carbon methane carbon monoxide |
| Template:Chembox header | Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references | |
