Sodium carbonate is soluble in water and glycerol, slightly soluble in anhydrous ethanol, insoluble in propanol, has the commonness of salt, belongs to inorganic salt. The moist air absorbs moisture and clumps, turning some of it into sodium bicarbonate.
| item | Specification | Result |
| NaCO2 % ≥ | 99.2 | 99.3 |
| NaCl % ≤ | 0.70 | 0.5 |
| Fe % ≤ | 0.0035 | 0.003 |
| Water insoluble matter % ≤ | 0.03 | 0.02 |
| SO4 % ≤ | 0.03 | / |
In production and life, sodium carbonate is used to make pastry, make sodium hydroxide, etc., or as a recipe for a variety of detergents. Water purification uses it as a softener. In the industrial soda ash, mainly light industry, building materials, chemical industry; It is followed by metallurgy, textiles, petroleum, national defense, medicine and other industries. The glass industry is the largest consumer of soda ash.
