Sodium carbonate
CAS 497-19-8CNa2O3105.988 g/mol
Sodium carbonate is an organic sodium salt and a carbonate salt.
IUPAC: disodium;carbonate
PubChem
Physical & Chemical Properties
| Melting Point | 856 °C |
| Boiling Point | Decomposes on heating by CO2 loss |
| Density | 2.54 g/cu cm |
| Solubility | Freely soluble in water. Insoluble in ethanol |
| pH | Aqueous solutions are strongly alkaline. At 25 °C, the pH of 1, 5 and 10 wt% sodium carbonate solutions are 11.37, 11.58 and 11.70, respectively. |
| Appearance | Other Solid; Liquid, Other Solid; Dry Powder; Water or Solvent Wet Solid; Liquid; Pellets or Large Crystals; Dry Powder, Liquid; NKRA |
Data: PubChem · Last updated: 4/20/2026
GHS Classification
No GHS classification data available.
Classification data is sourced from ECHA.
Regulatory Compliance
TSCA
Listed
note: Status based on EPA TSCA Active Inventory · inventory name: TSCA Chemical Substance Inventory
View sourceGlobal Trade Intelligence
No trade flow data available for this chemical.
HS Code(s): 2836
Data: UN Comtrade
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