Sodium persulfate is the inorganic compound with the formula Na2S2O8. It is the sodium salt of persulfate (also called peroxydisulfate), an oxidizer. It is a white solid that dissolves in water. It is almost non-hygroscopic and has good shelf-life.It is a bleach, both standalone (particularly in hair cosmetics) and as a detergent component. It is a replacement for ammonium persulfate in etching mixtures for zinc and printed circuit boards, and is used for pickling of copper and some other metals.It is also used as a soil conditioner and soil remediation and in manufacture of dyestuffs, modification of starch, bleach activator,desizing agent for oxidative desizing, etc.
