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This is an old revision of this page, as edited by Beetstra (talk | contribs) at 09:22, 6 December 2011 (Saving copy of the {{chembox}} taken from revid 464303031 of page Sodium_carbonate for the Chem/Drugbox validation project (updated: '').). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Revision as of 09:22, 6 December 2011 by Beetstra (talk | contribs) (Saving copy of the {{chembox}} taken from revid 464303031 of page Sodium_carbonate for the Chem/Drugbox validation project (updated: '').)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)
This page contains a copy of the infobox ({{chembox}}) taken from revid 464303031 of page Sodium_carbonate with values updated to verified values.
Sodium carbonate
Structural formula of sodium carbonate
Sodium carbonate
Space-filling model of the crystal structure of sodium carbonate
Names
Other names Soda ash
Washing soda
Soda crystals
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
EC Number
  • 207-838-8
PubChem CID
RTECS number
  • VZ4050000
UNII
InChI
  • InChI=1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2Key: CDBYLPFSWZWCQE-UHFFFAOYSA-L
  • InChI=1/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2Key: CDBYLPFSWZWCQE-NUQVWONBAP
SMILES
  • ..C()=O
Properties
Chemical formula Na2CO3
Molar mass 105.9784 g/mol (anhydrous)
124.00 g/mol (monohydrate)
286.14 g/mol (decahydrate)
Appearance White solid, hygroscopic
Odor Odorless
Density 2.54 g/cm (anhydrous)
2.25 g/cm (monohydrate)
1.46 g/cm (decahydrate)
Melting point 851 °C (anhydrous)
100 °C (decomp, monohydrate)
34 °C (decomp, decahydrate)
Boiling point 1633 °C (anhydrous)
Solubility in water 70 g/L (0 °C)
216 g/L (20 °C)
450 g/L (100 °C)
Solubility insoluble in ethanol
Basicity (pKb) 4.67
Refractive index (nD) 1.485 (anhydrous)
1.420 (monohydrate)
Structure
Coordination geometry trigonal planar
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 0: Will not burn. E.g. waterInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
1 0 1
Flash point Non-flammable
Related compounds
Other anions Sodium bicarbonate
Other cations Lithium carbonate
Potassium carbonate
Rubidium carbonate
Caesium carbonate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Tracking categories (test):
Chemical compound
  1. ^ "Sodium Carbonate" (PDF). UNEP Publications.
  2. ^