Reaxis®  C125

REAXIS® C125, is a liquid stannous tin-based catalyst that is used in a number of applications, including:

  • Esterifications
  • Polyurethanes (CASE)
  • Silicone condensation reactions

REAXIS®C125 gives enhanced storage stability in various RTV silicone formulations.

REAXIS®C125 can be utilized neat or as a mixture in alcohols. This product is typically used at concentrations ranging from 0.01 – 0.20 wt%.

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Product Details


  • Tin (II) content (%) 20.0 - 23.0
  • Viscosity (cP @ 20°C) 5000 Max

Standard Packaging

  • 44 lb (20 kg) plastic pail
  • 440 lb (200 kg) steel drum


  • Physical state  liquid
  • Chemical type  inorganic tin
  • Gardner Color Number  8 Max

Storage Conditions

REAXIS®C125 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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