National Minerals Information Center

Sodium Sulfate Statistics and Information

Sodium sulfate, also known as disodium sulfate (Na2 SO4 ), is an inorganic chemical that has several important industrial uses.  It is produced from naturally occurring sodium-sulfate-bearing brines or crystalline evaporite deposits, and as a byproduct from different chemical processes, such as ascorbic acid, battery acid recycling, boric acid, cellulose, chromium chemicals, lithium carbonate, rayon, resorcinol, and silica pigments.  The byproduct sodium sulfate is considered a waste product but has marketability; both types of sodium sulfate, however, have several important and useful applications in various consumer products, such as in soaps and detergents, pulp and paper, and textiles.

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