Formula: Dy₂(CO₃)₃·xH₂O CAS: 38245-35-1 EC No.: 253-849-5 M (Molar Mass): 593.02 g/mol (anhydrous) Physical State: White to yellowish powder Decomposition: >350°C (loses CO₂) Solubility: Insoluble in water; soluble in acids

Dy₂O₃ Content: ≥ 45.0% (equivalent to ≥ 85% Dy₂(CO₃)₃) Appearance: White to yellowish powder Identification (Dy³⁺): Passes test Loss on Ignition: 35.0-40.0% Chloride (Cl): ≤ 0.01% Sulfate (SO₄): ≤ 0.02% Iron (Fe): ≤ 0.005% Other Rare Earths: ≤ 0.5% Heavy Metals (as Pb): ≤ 20 ppm Acid Insoluble Matter: ≤ 0.05% pH (5% slurry): 7.0-9.0