Carbon dioxide

• Catalog No.: Carbon_dioxide
• CAS Number: 124-38-9
• M. F.: CO2
• M. W.: 44.0095

SYNONYMS

• IUPAC name: methanedione
• IUPAC Traditional name: carbon dioxide
• Synonyms: Dry ice (solid phase); Carbon oxide; Carbonic anhydride; Carbonic oxide; Carbonic acid gas; Carbon(IV) oxide

DATABASE IDS

• Wikipedia Title: Carbon_dioxide
• Chemspider ID: 274
• CAS Number: 124-38-9
• MeSH Name: Carbon+dioxide
• PubChem CID: 280
• Beilstein Number: 1900390
• EC Number: 204-696-9
• Unique Ingredient Identifier: 142M471B3J
• CHEMBL: 1231871
• KEGG ID: D00004
• CHEBI ID: 16526
• ATC CODE: V03AN02
• Gmelin ID: 989

PROPERTIES

• pKa: 6.35, 10.33
• Apperance: Colorless gas
• Boiling Point: -56.55°C (216.6K) (at 5.185 bar)
• Std enthalpy of formation: -393.5 kJ·mol^-1
• Dipole Moment: zero
• Melting Point: -78.45°C (194.7K) (''subl.'')
• Std molar entropy: 214 J·mol^-1·K^-1
• Density: 1562 kg/m^3 (solid at 1 atm and -78.5 °C); 770 kg/m^3 (liquid at 56 atm and 20 °C); 1.977 kg/m^3 (gas at 1 atm and 0 °C)
• Odor: Odorless
• Refractive Index: 1.1120
• Solubility: 1.45 g/L at 25 °C, 100 kPa in water
• Viscosity: 0.07 cP at -78.5 °C
• NFPA704:
  

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• RTECS: FF6400000
• UN Number: 1013