Description Iron(II) Boride, 99% (Metals Basis), 25g For Research & Development Not for drug, human, animal, or food use Certificate of Analysis: Appearance (Color) Gray Appearance (Form) Powder Purity (Metals Basis) 99.0% Purity (Complexometric, as Fe) 83.7% Particle Size -325 mesh ICP Analysis Confirms Fe component CAS: 12006-84-7 FORMULA: FeB