Description CAS#: 7440-69-9 | Formula: Bi | Specifications: Antimony (%) 0.01 % Max, Arsenic 0.0001 % Max, Assay 99.9 % - Min, Copper 0.001 % Max, Iron 0.002 % Max, Lead 0.005 % Max, Silver (%) 0.005 % Max, Zinc 0.005 % Max