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Barium carbonate (CAS 513-77-9)
Barium carbonate is the inorganic compound with the formula BaCO3. Like most alkaline earth metal carbonates, it is a white salt that is poorly soluble in water. It occurs as the mineral known as witherite. In a commercial sense, it is one of the most important barium compounds.
It is mainly used to remove sulfate impurities from feedstock of the chlor-alkali process. Otherwise it is a common precursor to barium-containing compounds such as ferrites.
Information
Industries: Paints and varnishes
CAS number: 513-77-9
WE number: 208-167-3
Index number: 056-003-00-2
Chemical formula: BaCO3
Molar mass: 197,34 g/mol
Customs tariff code: 25112000
ADR: UN1564
Other physical properties
Melting / freezing point: 1300°C
Relative density: 4,28 g/cm3
Solubility in water: 0,02 mg/l (20°C)
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