Barium sulfate, with the chemical formula BaSO4, is identified by the CAS number 7727-43-7. It is a white crystalline solid that is virtually odorless and tasteless. Barium sulfate is insoluble in water, alcohol, and concentrated acids. Its basic structure consists of one barium atom bonded to a sulfate group, forming a compound widely used in various industries. Safety information indicates that barium sulfate poses minimal health risks, but prolonged exposure may cause irritation. It is essential to handle it with care and avoid inhalation or direct contact.
Applicable Fields
Medical Imaging: Barium sulfate is extensively used as a contrast medium in medical imaging procedures, particularly in X-ray examinations of the digestive system. Its purpose is to enhance the visibility of organs and tissues, aiding in the diagnosis of abnormalities. The mechanism of action involves its ability to absorb X-rays, resulting in a higher contrast between the organs and surrounding tissues.
Oil and Gas Industry: In the oil and gas sector, barium sulfate is employed as a weighting agent in drilling fluids. Its purpose is to increase the density of the fluid, preventing blowouts and stabilizing the borehole. The mechanism of action is based on the dense nature of barium sulfate, which helps maintain pressure and control during drilling operations.
Storage
ConditionsStore in a cool, dry place, away from incompatible substances.
Barium sulfate has its chemical formula BaSO4. It is colorless or white orthorhombic crystals with relative molecular mass of 233.4, the relative density of 4.5 (15 ℃), the melting point of 1580 ℃, and the Refractive index of 1.637. Upon being heated to 1149 ℃, it will become monoclinic crystalline when the refractive index is 1.649. It is almost insoluble in water with the solubility being 0.00022 at 18 ℃ and 0.0041 at 100 ℃. It is slightly soluble in concentrated sulfuric acid and soluble in
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