Sodium carbonate

From NOWA-CL
Jump to navigation Jump to search
 
Sodium carbonate
Chemical formula Na2CO3
Molar Mass(g/mol) 106 
Melting Point(°C) 851 
Boiling Point(°C) 1600 
Density(g/cc) 2.54 
Solubility in water(g/L) 251 
Solubility in ethanol(g/L) insoluble
NFPA 704
NFPA704.png
0
1
1
 

 

Thermal decomposition of
Sodium carbonate
33.5
10-hydrate
33.5°C
7-hydrate
40
7-hydrate
40°C
hydrate
100
hydrate
100°C
anhydrous

Uses

Primary

  • Essential component for many kinds of glass
  • Safe counteraction for acids
  • Primary input salt for metathesis reactions with calcium salts
  • Feedstock for sodium bicarbonate

Natural occurrence

Hazards

Production

Extraction

Synthesis

From sodium bicarbonate

  • Heat sodium bicarbonate to 50°C to decompose it to sodium carbonate and water
    2 NaHCO3
    {≥50 °C
    }
    Na2CO3 + CO2 + H2O

Purification

Testing

Storage

Disposal

Sodium carbonate can be disposed of into the soil. Disposing of it into waterways is less preferred.

See Also

References