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POTASSIUM PERSULPHATE (potassium peroxydisulphate)

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POTASSIUM PERSULPHATE (potassium peroxydisulphate)
Molecular structure
Chemical Product

POTASSIUM PERSULPHATE (potassium peroxydisulphate)

Cat. NoKC.1610274 CategorySalts Molecular FormulaK2O8S2 CAS7727-21-1 Molecular Weight270.33 g/mol
Package 500GM
Safety & Hazards (GHS) Danger
Oxidizing Oxidizing Irritant Irritant Health hazard Health hazard

⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).

Potassium persulfate appears as a white crystalline solid. Specific gravity 2.477. Decomposes below 100 °C.

  • CIR ingredient: Potassium Persulfate
  • Used to make soap (bleaching), promote polymerization, condition flour, and modify starch; Also used as a reducing agent in photography, a desizing agent in textiles, and an oxidizing agent for dyes; [HSDB]
  • Photographic Processing [Category: Other]
  • Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
Physical DescriptionPotassium persulfate appears as a white crystalline solid. Specific gravity 2.477. Decomposes below 100 °C.
Color/FormCOLORLESS, TRICLINIC CRYSTALS
OdorODORLESS
Density2.477
Solubility1.75 G IN 100 CC OF WATER @ 0 °C
Refractive IndexINDICES OF REFRACTION: 1.461, 1.467, 1.566
Stability/Shelf LifeGRADUALLY DECOMP LOSING AVAIL OXYGEN, MORE QUICKLY AT HIGHER TEMP, COMPLETELY AT ABOUT 100 °C
IUPAC Namedipotassium;sulfonatooxy sulfate
Molecular FormulaK2O8S2
Molecular Weight270.33 g/mol
CAS7727-21-1
SMILES[O-]S(=O)(=O)OOS(=O)(=O)[O-].[K+].[K+]
InChIKeyUSHAGKDGDHPEEY-UHFFFAOYSA-L
Catalog NoKC.1610274
Pack sizes500GM
  • H272 May intensify fire; oxidizer
  • H302 Harmful if swallowed
  • H315 Causes skin irritation
  • H317 May cause an allergic skin reaction
  • H319 Causes serious eye irritation
  • H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
  • H335 May cause respiratory irritation

⚠️ For information only; not a substitute for the official SDS.

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