Formula: SrCO₃ • 6H₂O (Note: SrCO₃ is typically anhydrous; this may refer to a basic carbonate or be a misnomer. I'll provide for SrCO₃.) For Strontium Carbonate: Formula: SrCO₃ CAS: 1633-05-2 EC No.: 216-643-7 M (Molar Mass): 147.63 g/mol D (Density): 3.5 g/cm³

Assay (as SrCO₃): ≥ 98.0 % Appearance: White fine powder. Insoluble Matter (in dilute HCl): ≤ 0.05 % Chloride (Cl): ≤ 0.01 % Sulfate (SO₄): ≤ 0.05 % Barium (Ba): ≤ 0.5 % Calcium (Ca): ≤ 0.5 % Heavy Metals (as Pb): ≤ 0.002 % Iron (Fe): ≤ 0.005 %