Na2CO3 99.2% Min
Na2O 58% Min
Na Cl 0.2% Max
SO4 0.135% Max
Insoluble in water 0.05% Max
It most commonly occurs as a crystalline decahydrate, which
readily effloresces to form a white powder, the monohydrate. Pure
sodium carbonate is a white, odorless powder that is hygroscopic
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. Our
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