Chemical Product Library / Reference
Barium sulfate
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | Barium sulfate |
|---|---|
| English synonyms | Barium sulfate;Blanc fixe;Barite |
| Chinese name | 硫酸钡 |
| Chinese synonyms | 重晶石;硫酸钡;沉淀硫酸钡 |
| Chemical category | Inorganic Salts |
| CAS No. | 7727-43-7 |
| EINECS No. | 231-784-4 |
| Molecular formula | BaSO4 |
| Molecular weight | 233.39 |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
BaSO4 content ≥98.0%; water-soluble matter ≤0.3%; iron ≤0.003%; moisture ≤0.3%; residue on 325 mesh ≤0.1%
Performance characteristics
White powder, insoluble in water and acids, high density and good opacity
Application scenarios
Paints and coatings filler, plastics filler, rubber filler, pharmaceutical contrast agent, radiation shielding