Soda Ash Dense Sodium Carbonate. GLASS MANUFACTURE: The most important use for sodium carbonate is in the manufacture of glass.
When heated to very high temperatures, combined with sand (SiO2) and chalk (CaCO3), and cooled very rapidly, glass is produced.
PH: 12 at 106 g/l at 25C
Solubility: soluble in water 106 g/l at 20C
Appearance: white granular solid