Back to Search

Molecule

Carbon Dioxide

CAS: 124-38-9 · CO2

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number
124-38-9
Molecular Formula
CO2
Molecular Mass
44.01 g/mol

Identifiers

CAS Registry Number

124-38-9

SMILES

O=C=O

InChI Key

CURLTUGMZLYLDI-UHFFFAOYSA-N

InChI

InChI=1S/CO2/c2-1-3

Names and Synonyms

  • Carbon Dioxide Common Name
  • Carbon dioxide Synonym
  • Carbonic acid gas Synonym
  • Carbonic anhydride Synonym
  • Dry ice Synonym
  • Carbon oxide (CO2) Synonym
  • R 744 Synonym
  • Carbonic acid anhydride Synonym
  • Khladon 744 Synonym
  • Carbon-12 dioxide Synonym
  • Carbon-12C dioxide-16O2 Synonym
  • EN 439C1 Synonym
  • Baros Effervescent Granules Synonym
  • N 45 (gas) Synonym
  • N 45 Synonym
  • CO2 Synonym
  • Gost 8050-85 Synonym

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 44.01 g/mol CAS Common Chemistry
44.009 g/mol RDKit
Wikipedia Url https://en.wikipedia.org/wiki/Carbon_dioxide CAS Common Chemistry
Boiling Point -78.5 °C CAS Common Chemistry
Canonical SMILES O=C=O CAS Common Chemistry
Density 1.2 x 10-3-0.2100 g/cm3 CAS Common Chemistry
InChI InChI=1S/CO2/c2-1-3 CAS Common Chemistry
InChI Key InChIKey=CURLTUGMZLYLDI-UHFFFAOYSA-N CAS Common Chemistry
Melting Point -56.6 °C CAS Common Chemistry
Name Carbon dioxide CAS Common Chemistry
Heavy Atom Count 3 RDKit
Hydrogen Bond Acceptors 2 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 0 RDKit
Aromatic Ring Count 0 RDKit
Topological Polar Surface Area 34.14 Ų RDKit
LogP -0.5835 RDKit
Molar Refractivity 5.007 cm³/mol RDKit
Ring Count 0 RDKit
Formal Charge 0 RDKit
Fraction Csp3 0.0 RDKit
Exact Mass 43.98982924 g/mol RDKit

Spectral Data

NMR, IR, and Mass spectral data

Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

Safety

Found in products

Vendor products containing this compound. Click through to the SDS revision history. Vendor URLs may rot; the linked PDFs are frozen copies retrieved on the listed date.

Convert

Quick conversion

MW = 44.01 g/mol. Edit any field — others recompute live.

Recent Searches

Acetone
Ethanol
Navigate
esc Close