Barium Sulfate

Barite, Barium White

CAS
7727-43-7
EC
231-784-4
Food Code
-

Barium sulfate (BaSO₄) is an inert, white crystalline powder with extremely low solubility in water and acids. Its high density, opacity, and chemical inertness make it a preferred filler and pigment extender.

Barium Sulfate

Applications

Used in coatings, plastics, and rubber to improve gloss, mechanical strength, and weather resistance. In the medical field, it serves as a radiopaque agent for X-ray imaging. It is also applied in paper coatings, catalysts, and ceramics.

Safety & Risks

Non-toxic and chemically stable; however, fine dust may cause mechanical irritation. Avoid inhalation and excessive dust generation.

Packaging

Supplied in 25–50 kg paper bags with PE liners or big bags. Store sealed, dry, and free from contamination to maintain whiteness and flowability.