Potassium persulfate (K2S2O8) is also called potassium peroxydisulfate. It is a colorless or white triclinic powder found in the form of a crystals. It shows solubility in water, but in alcohol it is insoluble. Potassium persulfate is said to be a strong oxidizing agent, and is used widely for bleaching. It is known to be a stable compound at normal room temperature. Moisture is not absorbed by potassium persulfate and hence it can be easily stored for longer so that it can be used later. ... Read more