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58.10 $
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Potassium Persulfate 99% ACS Reagent
  • 5g Potassium Persulfate 99% ACS Reagent

  • $ 58.10000000
  • 100g Potassium Persulfate 99% ACS Reagent

  • $ 70.15000000
  • 500g Potassium Persulfate 99% ACS Reagent

  • $ 135.20000000
 

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Potassium persulfate also known as potassium peroxydisulfate or KPS, it is a white solid that is highly soluble in water. This salt is a powerful oxidant, commonly used to initiate polymerizations.Potassium persulfate is a white crystalline solid. Specific gravity 2.477. Decomposes below 100°C.

Formula
K2S2O8
Molar mass
270.309 g/mol
CAS Number
7727-21-1
Density
2.477 g/cm3
Purity/Grade
≥99.0% (ACS Reagent)
Appearance
Powder
Vapour density
9.33 - (Air = 1.0)
Water solubility
27 g/l at 20°C (68°F) - completely soluble
Melting point/freezing point
100°C (212°F)
pH
2.5 - 4.5 at 27 g/l at 25°C (77°F)
Decomposition temperature
170°C (338°F) -
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