S

Sodium carbonate

IUPAC: disodium;carbonate

Na2CO3 Bases & Alkalis CAS 497-19-8
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Quick Reference
Formula / NotationNa2CO3
CAS Number497-19-8
Molecular Weight105.988
Melting Point856 °C
Boiling PointDecomposes on heating by CO2 loss
Density2.54 g/cu cm
SolubilityFreely soluble in water. Insoluble in ethanol
AppearanceOther Solid; Liquid, Other Solid; Dry Powder; Water or Solvent Wet Solid; Liquid; Pellets or Large Crystals; Dry Powder, Liquid; NKRA
Also Known Asdisodium;carbonate; 497-19-8; Disodium carbonate; Soda Ash; Carbonic acid disodium salt; Sodium carbonate, anhydrous; Sodium carbonate anhydrous; Calcined soda; Solvay soda; Washing soda
CategoryBases & Alkalis

What is Sodium carbonate?

Sodium carbonate (Na2CO3) is a base or alkali that appears as Other Solid; Liquid, Other Solid; Dry Powder; Water or Solvent Wet Solid; Liquid; Pellets or Large Crystals; Dry Powder, Liquid; NKRA. It has a molecular weight of 105.988 g/mol. Its IUPAC name is disodium;carbonate. Boiling point: Decomposes on heating by CO2 loss. Melting point: 856 °C.

Formula & Notation

Na2CO3

IUPAC Name: disodium;carbonate

Other Names / Synonyms: disodium;carbonate; 497-19-8; Disodium carbonate; Soda Ash; Carbonic acid disodium salt; Sodium carbonate, anhydrous; Sodium carbonate anhydrous; Calcined soda; Solvay soda; Washing soda

Properties & Characteristics

Appearance: Other Solid; Liquid, Other Solid; Dry Powder; Water or Solvent Wet Solid; Liquid; Pellets or Large Crystals; Dry Powder, Liquid; NKRA. Molecular formula: CNa2O3. Molecular weight: 105.988 g/mol. Boiling point: Decomposes on heating by CO2 loss. Melting point: 856 °C. Density: 2.54 g/cu cm. Solubility: Freely soluble in water. Insoluble in ethanol.

Physical Data

PropertyValue
Melting Point856 °C
Boiling PointDecomposes on heating by CO2 loss
Density2.54 g/cu cm
Molecular Weight105.988
SolubilityFreely soluble in water. Insoluble in ethanol
AppearanceOther Solid; Liquid, Other Solid; Dry Powder; Water or Solvent Wet Solid; Liquid; Pellets or Large Crystals; Dry Powder, Liquid; NKRA

Uses & Applications

Used in chemical manufacturing, pH adjustment, saponification, water treatment, and as a laboratory reagent.

Safety Information

Corrosive or irritant. Causes burns to skin and eyes. Store away from acids. Wear protective gloves and goggles. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Sodium carbonate
Formula Na2CO3
CAS Number 497-19-8
Molecular Weight 105.988
Category Bases & Alkalis
Synonyms disodium;carbonate; 497-19-8; Disodium carbonate; Soda Ash; Carbonic acid disodium salt; Sodium carbonate, anhydrous; Sodium carbonate anhydrous; Calcined soda; Solvay soda; Washing soda

Frequently Asked Questions

Sodium carbonate (Na2CO3) is a base or alkali that appears as Other Solid; Liquid, Other Solid; Dry Powder; Water or Solvent Wet Solid; Liquid; Pellets or Large Crystals; Dry Powder, Liquid; NKRA. It has a molecular weight of 105.988 g/mol. Its IUPAC name is disodium;carbonate. Boiling point: Decomposes on heating by CO2 loss. Melting point: 856 °C.

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.