Description Silicon Telluride, 99% (Metals Basis), 10g For Research & Development Not for drug, clinical use in humans, for food or food additive use Certificate of Analysis:Appearance (Color) Dark grayAppearance (Form) Powder and/or chunks Purity (Metals Basis) 99% ICP Analysis Confirms Si component CAS: 12067-53-7 FORMULA: SiTe