Tags: Chemical Compound, Chemical Substance.
Ammonium persulfate (APS) is the inorganic compound with the formula (NH4)2S2O8. It is a colourless (white) salt that is highly soluble in water much more so than the related potassium salt. It is a strong oxidizing agent that is used in polymer chemistry as an etchant and as a cleaning and bleaching agent.The dissolution of the salt in water is endothermic.