CAS Number: 7727-43-7
Formula: BaSO₄
Molecular Weight: 233.39 g/mol
Overview:
Barium sulfate is a white crystalline compound, naturally occurring as the mineral barite. With its chemical formula of BaSO₄, this inorganic barium salt is widely recognized for its remarkable insolubility in water at room temperature, making it ideal for a variety of industrial applications. It plays a crucial role in industries like oil & gas, medical imaging, and more.
Key Properties:
- Insolubility: Virtually insoluble in water at room temperature.
- Form: A fine, white powder.
- Density: 4.5 g/cm³.
- Melting Point: 1580°C.
Applications:
Oil Well Drilling Fluid: Barium sulfate is primarily used in the oil and gas industry as a key component in drilling fluids, helping to maintain pressure and facilitate the drilling process.
Medical Imaging (Radiopaque Agent): Barium sulfate is also used as a radioopaque contrast medium for medical imaging, particularly in radiography and fluoroscopy, where it helps highlight the gastrointestinal tract in X-ray imaging.
Paints & Coatings: Due to its high density and white color, barium sulfate is employed as a pigment extender and as a filler in paints and coatings.
Plastics and Rubber: Used in certain plastics, barium sulfate provides enhanced properties like increased weight and improved durability.
Safety Information:
While barium sulfate is generally safe in its applications, proper safety measures should be observed when handling the product, particularly in industrial settings where dust may be generated.
Chemical Classification:
- Barium Salt: A barium-based inorganic salt.
- Metal Sulfate: A compound that contains sulfate and a metal (Barium).
Synonyms: Barite, Heavy spar, Barytes, Barium Sulfate (BaSO₄).
Storage: Store in a cool, dry area away from sources of moisture or incompatible chemicals.
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