Barium Carbonate Compacted GranularChemical formula:BaCO3 Molecular weight:197.35 Bulk Density:1.5-1.8 g/cm3 Appearance: White Granular, Soluble in acid,Insoluble in water, Poisonous Typical Analysis: Purity 99.20% min. Moisture 0.30% max. Total Sulphur as SO4 0.30% max. Fe 0.005% max. Cl 0.01% max. Particle Size +850µm 1.0% max. -105µm 15.0% max.