Sodium Persulphate

CAS No: 7775-27-1

Sodium persulphate is a stable, white oxidising powder commonly used as a polymerisation initiator and surface treatment chemical.

Synonyms

Sodium Peroxydisulfate

Formula

Na₂S₂O₈

CAS No

7775-27-1

  • Properties

    • Molecular weight: 238.10 g/mol
    • Aggregation state: Solid
    • Density: ~2.6 g/cm³
    • Melting point: ~180 °C (decomposes)
  • Key applications

    • Acrylic polymerisation
    • Textile desizing
    • Cleaning formulations
    • Etching and bleaching
  • Industries

    • Textiles
    • Cosmetics
    • Electronics
    • Polymers

Hazard classification

Ox. Sol. 3; H272

Acute Tox. 4 (Oral); H302

STOT SE 3; H335

Skin Irrit. 2; H315

Eye Irrit. 2;H319

Resp. Sens. 1; H334

Skin Sens. 1; H317