Description Bismuth Metal, Granules <1mm, 99.997% (Metals Basis), 100g For Research & Development Not for drug, human, animal, or food use Certificate of Analysis: Appearance (Color) Gray Appearance (Form) Granular Assay (Metals Basis) 99.997% Particle Size <1mm Total Metallic Impurities (ppm) <0.003% CAS: 7440-69-9 FORMULA: Bi