Siarczan baru BaSO4 baryt - 500g

Barium Sulfate (BaSO₄)

CAS Number: 7727-43-7
Chemical Formula: BaSO₄
Molar Mass: 233.39 g/mol
Appearance: White crystalline solid or powder

Chemical and Physical Properties:

• Density: 4.49 g/cm³

• Melting Point: Approximately 1,580 °C

• Boiling Point: Decomposes at around 1,600 °C

• Solubility:

  • In Water: Practically insoluble, with a solubility of about 0.2448 mg/100 mL at 20 °C

  • In Ethanol: Insoluble

  • In Acids: Insoluble, but dissolves in hot concentrated sulfuric acid

Applications:

• Medical Imaging: Employed as a radiopaque contrast agent in X-ray imaging of the digestive system, commonly known as a "barium meal" or "barium swallow."

• Paints and Coatings: Utilized as a white pigment and filler to enhance the density and brightness of paints, coatings, and plastics.

• Plastics and Rubber Industry: Acts as a filler to improve the physical properties of polymers and rubber products.

• Paper Industry: Used as a coating agent to improve the whiteness and opacity of paper products.

• Oil and Gas Drilling: Serves as a weighting agent in drilling muds to lubricate and cool the drill bit and to maintain pressure.

Safety Information:

• Handling: While barium sulfate is considered non-toxic due to its insolubility and non-absorption in the gastrointestinal tract, inhalation of dust should be avoided as it may cause mechanical irritation to the respiratory tract.

• Storage: Store in a cool, dry, well-ventilated area away from incompatible substances. Keep container tightly closed to prevent moisture absorption and contamination.

*Note: The information provided is based on general data. Always refer to the Safety Data Sheet (SDS) provided by the supplier for detailed and accurate information.*