Carbon dioxide
CAS Registry Number®
124-38-9
CAS Name
Carbon dioxideMolecular Formula
CO2Molecular Mass
44.01Cite this Page
Carbon dioxide. CAS Common Chemistry. CAS, a division of the American Chemical Society, n.d. http://commonchemistry.cas.org/detail?cas_rn=124-38-9 (retrieved ) (CAS RN: 124-38-9). Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).Compound Properties
Boiling Point (1)
-78.5 °CMelting Point (2)
-79 °C (sublm)Density (3)
0.1442 g/cm³ @ Temp: 600 °C; Press: 1.1 x 10⁵ Torr
Source(s)
- (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)
- (2) International Chemical Safety Cards data were obtained from the National Institute for Occupational Safety and Health (US)
- (3) Vutukuru, Ravindra; Applied Thermal Engineering, (2019), 159, 113973, CAplus
Other Names and Identifiers
InChI
InChI=1S/CO2/c2-1-3
InChIKey
InChIKey=CURLTUGMZLYLDI-UHFFFAOYSA-N
SMILES
C(=O)=O
Canonical SMILES
O=C=O
Other Names for this Substance
- Carbon dioxide
- Carbonic acid gas
- Carbonic anhydride
- Dry ice
- Carbon oxide (CO2)
Deleted or Replaced CAS Registry Numbers
18923-20-1, 957761-35-2, 1053656-66-8, 1053659-60-1, 1173022-42-8, 1202865-27-7