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 esterfications.
Typical Specifications
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
Product Characteristics
Physical statesolid
Chemical typestannate

Standard Packaging

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

Storage Conditions

REAXIS® E140P should be stored in the original packaging. The container should be closed tightly after each use to maximize shelf life.

You can request a sample here, or contact us

Reaxis Inc.
941 Robinson Highway
McDonald, PA 15057
Ph: 800-426-7273 Fax: 724-796-3160
Sales Email:
Tech Email:

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.

Date Retrieved: 9th July 2020 08:08:38 PM

We accomplish these objectives with our commitment to the following principles:

  • Compliance
  • Monitoring
  • Waste minimization
  • Pollution prevention
  • Product stewardship
  • Employee and community education
  • Partnerships with stakeholders and public

Reaxis Inc. is proud to announce that both the McDonald and UPARC sites have achieved certification in both ISO 14001 and ISO 9001.

We are very proud of the work our employees at Reaxis Inc. have put in to achieve these certifications. The McDonald site has been ISO 9001 certified since 1997, while UPARC has just achieved their first certification in 2018.

We believe that Environment, Health, Safety, Security, Responsible Care and sound Business Management are mutually achievable objectives.