Synonym(s): Peroxydisulfuric acid dipotassium salt, Potassium persulfate Formula: K2O8S2 Formula weight: 270.33 Purity: 97% CAS Number: 7727-21-1 UN Number: UN1492 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2833.40 Hazard Statements: …