Drying agent: Used in laboratories to dry organic liquids and remove moisture from liquids in industrial processes
Detergent: A filler in powdered laundry detergents that improves consistency and reduces production costs
Fining agent: Removes small air bubbles from molten glass
Laxative: The decahydrate form of sodium sulfate, known as Glauber's salt, has been used as a laxative
Bowel cleansing: Used to prepare patients for colonoscopy or barium enema X-ray examinations
Water softener: Helps detergents clean clothing, dishes, and automobiles more effectively
Outdoor cleaner: Used at high concentrations to clean wooden products or walls prepared for painting
Textile industry: Used as a "leveling" agent to decrease the negative charges on fibers
Paper pulping: Used in the Kraft process of paper pulping
Glass: Used in the manufacture of plate glass, window glass, and bottles
Starch: Used to produce starch for animal feed and carpet fresheners
Window defrosting: Used to defrost windows
Sodium sulfate is generally considered safe when used in appropriate amounts. However, excessive intake can cause dehydration, electrolyte imbalances, and other side effects.