Reaxis®  C2305EXP

REAXIS® C2305EXP is a dioctyltin/TEOS organotin-based catalyst. REAXIS® C2305EXP is primarily used for catalyzing silicone condensation reactions.

Typical End-Use Applications:

  • Curing of alkoxy-based RTV silicones
  • Curing of oxime-based RTV silicones
  • Curing of acetoxy-based RTV silicones
  • Curing of various hybrid Silane Modified Polymers (SMP)

Key Attributes:

  • Enhanced hydrolytic stability
  • Enhanced storage stability
  • Improved flammability rating
  • Non-butyl tin
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Product Details


  • Tin Content (%) 14.0 - 16.0
  • Density (g/ml) 1.0 - 1.1
  • Color (Gardner Number) 5 Max

Standard Packaging

  • 44 lb (20 kg) plastic pail
  • 440 lb (220 kg) steel drum


  • Physical state  liquid
  • Chemical type  dioctyltin

Storage Conditions

REAXIS® C2305EXP 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. Storage facilities for Flammable Class 3 products is required.

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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