Description Mercury(I) Sulfate, Reagent, 99.47%, 38g For Research & Development Not for drug, clinical use in humans, for food or food additive use Certificate of Analysis: Appearance (Color) Light yellow Appearance (Form) Powder Assay (Gravimetric) 99.47% Chloride (Cl) 0.002% ICP Analysis Confirms Hg component Iron (Fe) 0.001% Mercuric Salts (as Hg) 0.2% Nitrate (NO3) 0.3% Residue after Reduction 0.02% CAS: 7783-36-0 FORMULA: Hg2SO4