Carbon Dioxide Properties, Molecular Formula, Applications - WorldOfChemicals

Carbon Dioxide Properties

Carbon Dioxide

Molecule 3D Structure Image
Molecule Structure Image



Carbon dioxide is a naturally occurring chemical compound composed of two oxygen atoms covalently bonded to a single carbonatom. It is a gas at standard temperature and pressure and exists in Earth's atmosphere in this state, as a trace gas at a concentration of 0.039% by volume. It is the most important greenhouse gas produced by human activities, primarily through the combustion offossil fuels. Its concentration in the Earth's atmosphere has risen by more than 30% since the Industrial Revolution.Carbon dioxide is used by the food industry, the oil industry, and the chemical industry. It is used in many consumer products that require pressurized gas because it is inexpensive and nonflammable, and because it undergoes a phase transition from gas to liquid at room temperature at an attainable pressure of approximately 60 bar (870 psi, 59 atm), allowing far more carbon dioxide to fit in a given container than otherwise would. Life jackets often contain canisters of pressured carbon dioxide for quick inflation. Aluminum capsules of CO2 are also sold as supplies of compressed gas for airguns, paintball markers, inflating bicycle tires, and for making carbonated water. Rapid vaporization of liquid carbon dioxide is used for blasting in coal mines. High concentrations of carbon dioxide can also be used to kill pests.

Chemical Properties

Acidity 6.35, 10.33
Appearance colorless, odorless gas
Boiling Point -57 °C, 216.6 K, -70 °F (at 5.185 bar)
CAS Number 124-38-9
Density 1.562 g/mL (solid at 1 atm and -78.5 °C)
Dipole Moment zero
EINECS Number 204-696-9
IUPAC Name Carbon dioxide
Melting Point 78 °C, 194.7 K, -109 °F
Molar Mass 44.010 g/mol
Molecular Formula CO2
Molecular Shape linear
Other_Cations Silicon dioxide
Germanium dioxide
Tin dioxide
Lead dioxide
RTECS Number FF6400000
Refractive 1.1120
Related Compounds Carbonic acid
Carbonyl sulfide
Solubility slight
Synonyms Carbonoxide (CO2); Carbon-12 dioxide; Carbon-12C dioxide-16O2; Carbonic acidanhydride; Carbonic acid gas; Carbonic anhydride; Dry ice; EN 439C1; Khladon744; R 744
Viscosity 0.07 cP at −78 °C