Sodium sulfate is a white crystalline compound with the chemical formula Na2SO4. It is commonly used in various industries, including glass manufacturing, detergents, and textiles. Sodium sulfate is soluble in water and can be found in both anhydrous and hydrated forms, with the decahydrate form known as Glauber's salt. This compound occurs naturally in mineral deposits and can also be produced synthetically. Sodium sulfate plays a role in the production of sodium sulfide and is utilized in the paper industry for pulping processes. Its non-toxic nature makes it safe for many applications.