Sodium Persulphate

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.

Synonyms
Sodium peroxodisulphate, Sodium peroxydisulphate, Disodium peroxodisulphate, disodium {[(oxidooxy)sulfonyl]oxy}sulfonate
Chemical Formula
Na2S2O8
CAS Number
7775-27-1

Characteristics

Molar Weight
238.11 g/mol
Melting Point
180°C (decomposes)
Flash Point
non flammable
Density
2.59 g/cm³
Forms
Powder, White

Uses and Applications

Key applications

  • Oxidising agent
  • Etching & Engraving
  • Bleaching agent

Industries

  • Polymers
  • Cleaning
  • CASE & Construction
  • Beauty & Personal Care