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SZSE：002741
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  • CAS No.：513-77-9
  • Molecular weight：197.35
  • Aliases：Barium carbonate 
  • Molecular formula：BaCO3
  • UN Code：1564
  • EC No.：208-167-3
Information
Specification category：
Product No. Product Name Specification
1.03602.010 Barium carbonate  AR500g
1.03602.020 Barium carbonate  AR25kg
1.03602.030 Barium carbonate  CP500g
Characteristic： Appearance and properties: White orthorhombic crystal or powder.
Relative density: 4.43
Melting Point(℃): 1400
Boiling Point(℃): decomposition
Concentration: Pure
Solubility: insoluble in water, soluble in ether and chloroform.
Heat of combustion (kJ / mol): meaningless
Other Properties: 1450
Technical indicators：
Specification AR CP
Assay (BaCO3) ≥ 99.0% ≥ 98.5%
Clarity test 4 6
Hydrochloric acid insoluble matter ≤ 0.01% ≤ 0.05%
Alkalinity (to OH-meter), mmol/100g ≤ 0.2 ≤ 0.5
Chloride (Cl) ≤ 0.002% ≤ 0.01%
Sulfur (S) ≤ 0.0001% ≤ 0.0005%
Total nitrogen (N) ≤ 0.002% ≤ 0.005%
Calcium (Ca) ≤ 0.01% ≤ 0.03%
Iron (Fe) ≤ 0.0005% ≤ 0.0015%
Strontium (Sr) ≤ 0.1% ≤ 0.3%
Heavy metals (as Pb) ≤ 0.0005% ≤ 0.001%
Sulfuric acid does not precipitate ≤ 0.05% ≤ 0.2%
Hazard characteristics： UN 1564 BARIUM COMPOUND,N.O.S.,6.1,Ⅲ
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