Description Lanthanum Chloride Heptahydrate, AR Grade, 99.95+%, 500g For Research & Development Not for drug, human, animal, or food use Specifications: Appearance (Color) White Appearance (Form) Crystals SO4 <0.005% SiO2 <0.005% Fe2O3 <0.002% TREO 46+% CaO <0.002% PbO <0.002% La2O3/TREO 99.95+% AR Grade - Conforms CAS: 10025-84-0 FORMULA: LaCl3•7H2O