Sodium Sulphate Anhydrous
Sodium sulfate is the sodium salt of sulfuric acid. Anhydrous, it is a white crystalline solid known as the mineral thenardite; the decahydrate has been known as Glauber's salt. It is a white, crystalline solid that is highly soluble in water. It is an inorganic compound and a key industrial chemical used in a wide range of applications.
Synonyms
Disodium sulfate ; Sulfuric acid disodium salt ; Sulfate of Soda ; Glauber Salt (though this typically refers to the decahydrate form, it can sometimes be used to describe the anhydrous form as well) ; Anhydrous Sodium Sulfate
Formula
Na₂SO₄
CAS No
7757-82-6
HS Code
28331100
Industries Served
- Detergent and Cleaning Products Industry
- Glass Manufacturing Industry
- Textile Industry
- Pulp and Paper Industry
- Chemical Manufacturing Industry
- Pharmaceutical Industry
- Agriculture Industry
- Construction Industry
- Water Treatment Industry
- Leather Industry
Applications
- Used as a filler in powdered detergents to standardize bulk density.
- Helps in free-flowing nature of washing powders.
- Acts as a fluxing agent to remove small air bubbles from molten glass.
- Improves the clarity and strength of flat glass, bottles, and other glass products.
- Employed as a levelling agent in dyeing to promote even penetration of dye molecules.
- Prevents uneven coloration or spotting in fabrics.
- Used in sizing and finishing of textiles.
- Part of the Kraft process for wood pulping.
- Helps in cooking liquor recovery and chemical balance in paper mills.
- Raw material in the manufacture of sodium silicate and sodium dichromate.
- Intermediate in various chemical syntheses.
- Assists in the chrome tanning process.
- Sometimes used in the manufacture of cement as an additive.
- Used in some cases as a laxative (though less common now).
- Sometimes employed in enzyme stabilization and as an inert drying agent.
- Used as a drying agent for organic solutions.
- Ingredient in starch manufacturing.
- Utilized in powder metallurgy.
- Used in thermal energy storage systems (due to high heat storage capacity).
- Found in fire extinguisher powders.