Potassium Persulphate

CAS No: 7727-21-1

Potassium persulphate is a white crystalline solid and powerful oxidiser used in polymerisation, electronics, and metal surface cleaning.

Synonyms

Potassium Peroxydisulfate

Formula

K₂S₂O₈

CAS No

7727-21-1

  • Properties

    • Molecular weight: 270.32 g/mol
    • Aggregation state: Solid
    • Density: ~2.48 g/cm³
    • Melting point: ~120 °C (decomposes)

  • Key applications

    • Polymerisation catalyst
    • Etching solution
    • Bleaching agent
    • Electroplating prep

  • Industries

    • Plastics
    • Electronics
    • Cosmetics
    • Metal Treatment

Related products

Ammonium Persulphate

7727-54-0

Ammonium Phosphates

7722-76-1 (Monoammonium), 7783-28-0 (Diammonium)

Ammonium Sulphate

7783-20-2

Potassium Monopersulphate

70693-62-8

Sodium Chloride

7647-14-5

Sodium Metabisulfite

7681-57-4

Sodium Persulphate

7775-27-1

Trisodium Phosphate

7601-54-9

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

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