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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.
S 2261 (OTTO) Sodium persulphate, 98% Cas 7775-27-1 - used as a bleaching and oxidizing agent.