Reaxis®  E140P

REAXIS® E140P, Potassium Stannate, is an exceptionally pure grade of potassium stannate that is approved for use in applications where the tightest specifications must be met, such as in formulations for Hydrogen Peroxide stabilization. It is manufactured by a proprietary direct process which yields the purest product available anywhere. REAXIS® E140P also finds use in esterifications.

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Reaxis® E140P - Product Details


  • Tin Content (%) 38.0 Min
  • Free KOH (%) 1.2 Max
  • Moisture (%) 2.0 Max
  • Insolubles (%) 0.02 Max
  • Iron (%) 0.0020 Max
  • Nickel (%) 0.0020 Max
  • Copper (%) 0.0020 Max
  • Chromium (%) 0.0020 Max
  • Sulfate (%) 0.010 Max
  • Heavy Metals (as Lead) (%) 0.010 Max
  • Chloride (%) 0.015 Max

Standard Packaging

  • Fiber drum, 50 lbs./22.5kg.
  • Fiber drum, 100 lbs./50kg.
  • Plastic pail, 55 lbs./25kg.


  • Physical state  solid
  • Chemical type  inorganic tin
  • Color  white

Storage Conditions

Potassium Stannate should be stored in the original packaging. The container should be closed tightly after each use to maximize shelf life.

This information is provided to the best of our knowledge but without obligation. Reaxis is not liable for any incorrect or missing information. This data sheet becomes invalid upon publication of a new version. Please contact us for the latest version.

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