Potassium Perfulfate potassium persulfate is K2S2O8 :

Product 17/28

Potassium Perfulfate

CAS #	7727-21-1
Synonym	Potassium peroxydisulfate, Anthion, Potassium peroxodisulfate
Chemical Fomular	K2S2O8
Odor	Odorless
Solubility	Soluble in water
Molar mass	270.33 g/mol
Hazards	Oxidizer, Health Hazard

Potassium persulfate appears as a white crystalline solid. Specific gravity 2.477. Decomposes below 100 °C.