Sodium carbonate

• Catalog No.: Sodium_carbonate
• CAS Number: 497-19-8
• M. F.: CNa2O3
• M. W.: 105.98844

SYNONYMS

• IUPAC name: disodium carbonate
• IUPAC Traditional name: disodium carbonate
• Synonyms: Soda ash; Soda crystals; Washing soda

DATABASE IDS

• CAS Number: 497-19-8
• EC Number: 207-838-8
• CHEMBL: 186314
• CHEBI ID: 29377
• Chemspider ID: 9916
• Unique Ingredient Identifier: 45P3261C7T
• PubChem CID: 10340
• Wikipedia Title: Sodium_carbonate

PROPERTIES

• Apperance: White solid, hygroscopic
• pKb: 4.67
• Boiling Point: 1633 °C (anhydrous)
• Std enthalpy of formation: -1131 kJ·mol^-1
• Density: 2.54 g/cm^3 (anhydrous) ; 2.25 g/cm^3 (monohydrate) ; 1.51 g/cm^3 (heptahydrate) ; 1.46 g/cm^3 (decahydrate)
• Flash Point: Non-flammable
• Melting Point: 851 °C (anhydrous) ; 100 °C (decomp, monohydrate) ; 33.5 °C (decomp, decahydrate) ; 32 °C (heptahydrate)
• Std molar entropy: 136 J·mol^-1·K^-1
• Odor: Odorless
• Refractive Index: 1.485 (anhydrous) ; 1.420 (monohydrate) ; 1.405 (decahydrate)
• Solubility: 71 g/L (0 °C); 215 g/L (20 °C); 455 g/L (100 °C) in water
• Solubility: insoluble in ethanol, acetone
• EU Index: 011-005-00-2
• LD50: 4090 mg/kg (rat, oral)
• NFPA704:
  

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• Risk Statements: R36
• RTECS: VZ4050000
• Safety Statements: S2, S22, S26