Soda Ash widely used in manufacture of chemicals and metallurgy, medicine, petroleum, hides processing, textile, printing Soda AshSoda Ash light and dense Molecular formula: Na2CO3Molecular weight: 105.99CAS No.: 497-19-8EC No.: 207-838-8 Soda Ash is widely used in manufacture of chemicals and metallurgy, medicine, petroleum, hides processing, textile, printing and dyeing, foodstuff, photograph, ...