Reaxis®  E140

REAXIS® E140, Potassium Stannate, is a fast dissolving alkaline tin salt solution manufactured by a proprietary direct process that yields consistently high purity product. It is used as the tin replenisher in alkaline tin and tin alloy plating baths. REAXIS® E140 also finds use in esterfications.

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Product Details


  • Tin Content (%) 38.0 Min
  • Free KOH (%) 1.2 Max
  • Moisture (%) 2.5 Max
  • Insolubles (%) 0.1 Max

Standard Packaging

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


  • Physical state  solid
  • Chemical type  stannate
  • Color  white

Storage Conditions

REAXIS® E140 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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