Bis[3-(triethoxysilyl)propyl]tetrasulfide CAS 40372-72-3

Organic Chemistry Solvents
May 30, 2025
Category Connection: Organic Chemistry Solvents
Brief: Discover Bis[3-(triethoxysilyl)propyl]tetrasulfide (CAS 40372-72-3), a versatile silane coupling agent enhancing bonding in rubber, plastics, and composites. Learn about its applications, properties, and benefits for industrial use.
Related Product Features:
  • Enhances bonding between inorganic fillers and organic matrices in rubber and plastics.
  • Improves mechanical properties and durability in composite materials.
  • Widely used in rubber compounding for better filler-rubber adhesion.
  • Enhances dispersion of silica, carbon black, and mineral fillers.
  • Increases bonding strength in adhesives and sealants.
  • Colorless to pale yellow liquid with a molecular weight of 476.6 g/mol.
  • Stored in 200 kg steel drums, with a shelf life of 12 months.
  • High purity (≥95% assay) with consistent batch-to-batch quality.
Faqs:
  • What is TESPT used for?
    TESPT acts as a coupling agent improving adhesion between inorganic fillers and rubber matrices, enhancing mechanical properties in tires and industrial products.
  • How is TESPT incorporated into rubber compounding?
    Typically added at 2-8 phr (parts per hundred rubber) during mixing to optimize filler dispersion and bonding.
  • What is the shelf life of TESPT?
    12 months when stored properly in original sealed drums.
  • Can you provide TDS and MSDS for TESPT?
    Yes, TDS, MSDS, and technical reports are available upon request.