Chemical of China

Barium Carbonate

Other names: witherite
CAS number: 513-77-9

Molecular formula: BaCO3
Molecular Weight: 197.34

Characteristics:
Barium carbonate is a kind of white orthorhombic crystal and a kind of inorganic salt which can dissolve not only in diluted acid sour, but also in ammonium nitrate solution. However, it hardly dissolves in water and can decompose only when the temperature reaches about 1300C.

Specification:

Items Standard
Main content ( BaCO3 ) % ≥ 99.2
Water content % ≤ 0.30
Ignition residue of the insoluble substance of chlorhydric acid % ≤ 0.15
Sulfur ( SO4 ) % ≤ 0.25
Chloridate ( Cl ) % ≤ 0.01
Iron (Fe) content % ≤ 0.004
degree of fineness 125μm powdery screenings % ≤ 0.20
850μm powdery screenings % ≤ 1
125μm powdery screenings % ≤ 85

Packing:
In 25kg pp woven bag with plastic lining.

Use:
Barium carbonate can be used in barium salt, optical glass, ceramics etc.

MSDS: Available when required.
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