CAS No 151-50-8 Potassium Cyanide, Granular, Reagent, ACS Chemical Formula: KCN Formula Weight: F.W. 65.12 Chemical Specifications Assay (KCN) Min. 96.0% MAXIMUM LIMITS Chloride (Cl) 0.5% Phosphate (PO4) 0.005% Sulfate (SO4) 0.04% Sulfide (S) 0.003% Thiocyanate (SCN) To pass test (limit about 0.02%) Iron, Total (as Fe) 0.03% Lead (Pb) 2 ppm Sodium (Na) 0.5% DOT Description Potassium cyanide Hazard Class 6.1 UN No PG UN1680 Packaging Group PG I DOT Other marine pollutant UPS Limit 2.5 kg