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Sodium persulfate is the sodium salt of peroxydisulfuric acid, H2S2O8, an oxidizing agent. It is a white solid that dissolves in water. It is almost non-hygroscopic and has good shelf-life. The salt is prepared by the electrolytic oxidation of sodium hydrogen sulfate.
Molar Weight | 238.11 g/mol |
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Melting Point | 180°C (decomposes) |
Flash Point | non flammable |
Density | 2.59 g/cm³ |
Forms | Powder, White |
Synonyms: Sodium peroxodisulphate, Sodium peroxydisulphate, Disodium peroxodisulphate, disodium {[(oxidooxy)sulfonyl]oxy}sulfonate
Chemical Formula: Na2S2O8
CAS Number: 7775-27-1