Sodium Carbonate Anhydrous (Low Chloride). White granular crystalline powder or almost white powder, free from foreign material. Shall be soluble in water freely.
Pure sodium carbonate is a white, odorless powder that is hygroscopic (absorbs moisture from the air). It has a strongly alkaline taste, and forms a moderately basic solution in water. Sodium carbonate is well known domestically for its everyday use as a water softener.