Synonym(s): Benzeneselenenyl chloride Formula: C6H5ClSe Formula weight: 191.52 Purity: 98% CAS Number: 5707-04-0 UN Number: UN2928 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2931.90 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if…