Carbon dioxide
Properties
- Molecular formula
- CO2
- Molar mass
- 44.01 g/mol
- Exact mass
- 43.9898 Da
- Density
- 1.2–3 g/mL
- Melting point
- −56.6 °C
- Boiling point
- −78.5 °C
- Water solubility
- miscible (0 °C)
- logP
- -0.58Crippen estimate
- Polar surface area
- 34.1 Ų
- H-bond donors / acceptors
- 0 / 2
- Rotatable bonds
- 0
Hazards
Warning
- H280 Contains gas under pressure; may explode if heated82% of notifiers
- H281 Contains refrigerated gas; may cause cryogenic burns or injury20.5% of notifiers
Aggregated from 1,570 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.
Precautionary statements
P282, P336+P317, P403, P410+P403
Identifiers
CAS number
124-38-9SMILES
O=C=OInChIKey
CURLTUGMZLYLDI-UHFFFAOYSA-NInChI
InChI=1S/CO2/c2-1-3Weigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
15 names · show all
- Carbonic acid gas
- Carbonic anhydride
- Dry ice
- Carbon oxide (CO2)
- R 744
- Carbonic acid anhydride
- Khladon 744
- Carbon-12 dioxide
- Carbon-12C dioxide-16O2
- EN 439C1
- Baros effervescent granules
- N 45 (Gas)
- N 45
- CO2
- Gost 8050-85
Safety data sheets
One stored sheet lists this compound in section 3, matched by the CAS number 124-38-9. Each row opens the sheet with its composition and PDF.
Work with Carbon dioxide
Predict the NMR spectrum1H and 13C shifts with multiplicities
Make a solutionWhat to weigh for any molarity and volume
Check drug-likenessLipinski, Veber and lead-likeness
Boiling point under vacuumAt any pressure, from its normal boiling point
Isotope patternExact mass and the mass spectrum pattern