... powder, Soluble in acid,Insoluble in water, Poisonous Barium Carbonate PowderChemical formula: BaCO3Molecular weight:197.35 Bulk Density:0 ... Soluble in acid,Insoluble in water, PoisonousTypical Analysis: Purity 99.20% min.Sr 0.85% maxMoisture 0.30% maxTotal ... tube), construction materials, ceramics, magnetic materials, various barium salts; also used as chemical reagent, etc. Barium Carbonate Powder