Formula: C7H4N2O2Se Formula weight: 227.08 Purity: 97% CAS Number: 51694-22-5 UN Number: UN3283 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2931.90 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if inhaled. May cause damage to organs through…