Reaxis®  C129

REAXIS®C129 is a versatile liquid stannous tin based catalyst that is used in a number of applications, including:

  • Esterifications
  • Polyurethanes
  • Silicones resins
  • Catalysis of lactone polymerization to form biodegradable polymers.

REAXIS®C129 can be utilized neat or as a mixture in alcohols.

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Product Details


  • Tin (II) content (%) 27.2 - 29.3
  • Tin (II) /Total Tin content (%) 97.0 Min
  • Color (Gardner Number) 3 Max
  • Density (g/ml) 1.23 - 1.27
  • Viscosity (cP @ 20°C) 400 Max

Standard Packaging

  • 55 lb (25 kg) plastic pail
  • 485 lb (220 kg) steel drum
  • 2756 lb tote


  • Physical state  liquid
  • Chemical type  inorganic tin

Storage Conditions

REAXIS®C129 should be stored in the original packaging at moderate temperatures and kept from freezing. 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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