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Sodium Carbonate Light - Soda Ash

€84.87
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Soda ash

Anhydrous Washing Soda

Technical grade

Sodium carbonate, also known as soda ash, is a white, anhydrous and hygroscopic powder with a purity. This is the version known as "light soda". On a special order basis we can also get this product in granular form. Sodium carbonate has a melting point of 851C, it decomposes when heated and therefore a boiling point can not be determined. Sodium carbonate is an inorganic salt and therefore the vapour pressure can be considered negligible. It is soluble in water and solubility increases with temperature. The average particle size diameter (d50) of light sodium carbonate is in the range of 90 to 150 µm and of dense sodium carbonate is in the range of 250 to 500 µm. Sodium carbonate is a strong alkaline compound. The pKa of CO3 2- is 10.33, which means that at a pH of 10.33 both carbonate and bicarbonate are present in equal amounts. PLEASE NOTE: This product is not for human or animal consumption.   Properties of sodium carbonate light: 
  • Synonyms: Soda ash; carbonic acid disodium salt; disodium carbonate; calcined soda;
  • CAS No. 497-19-8
  • EINECS No: 207-838-8
  • Appearance: white fine powder
  • Purity: 99+%
  • Formula: Na2CO3
  • Relative Density: 2.53 g/cm3
  • Molar Mass: 105.99 g mol/1
  • Melting point: 851 oC decomposes
  • Solubility: soluble in water 106 g/l at 20C
  • pH: 12 at 106 g/l at 25C