Reaxis®  C188

Reaxis® C188, Stannous Oxide, is a free-flowing inorganic tin that is a excellent catalyst for a wide range of esterification reactions. In addition, Reaxis® C188 has the following features:

  • Neutral and non-corrosive
  • Complete conversions with short reaction times due to high catalytic activity
  • Minimal secondary reactions and colored by-products compared to acid catalysts
  • Very useful for oleochemical ester reactions.

Reaxis® C188 is also used in the metal finishing industry for tin and tin alloy plating processes.

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Product Details


  • Tin (II) content (%) 85.2 Min
  • Tin (IV) content (%) 0.7 Max

Standard Packaging

  • 55 lb (25 kg) pail


  • Physical state  solid
  • Chemical type  inorganic tin

Storage Conditions

Reaxis® C188 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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