RissoChem LOGO
  • Home » Product » Bis[3-(triethoxysilyl)propyl]tetrasulfise


Bis[3-(triethoxysilyl)propyl]tetrasulfise is a multifunctional silicone rubber and tire additive that has been successfully used in the rubber industry. It can increase the modulus and tensile strength of rubber, reduce rubber viscosity, and save process energy consumption.
Chemical nameBis[3-(triethoxysilyl)propyl]tetrasulfise
Product CategorySulfur-Containing Silane – Silane Coupling Agent
Structural Formula40372-72-3
CAS No.40372-72-3
Molecular formulaC18H42O6S4Si2
Molecular weight538.95
Total Sulfur22%
Boiling Point250°C
Flash Point106°C
Refractive Index(nD20)1.4600-1.5000
AppearanceYellow or light yellow transparent liquid.
DissolvabilityBe soluble in organic solvent. It is almost insoluble in water.
UsesBis[3-(triethoxysilyl)propyl]tetrasulfise is a kind of silane coupling agent with multiple functional groups successfully used in rubber industry to improve modulus and tensile strength of rubber, to reduce the compound viscosity and save process energy consumption. It is especially applicable for polymers with double bond or rubber formulation with hydroxyl fillers. The suitable fillers include silica, silicate, clay, etc. The suitable rubber include natural rubber (NR), Butadiene styrene rubber (SBR), Isoprene rubber (IR), Butadiene rubber (BR), Acryloni-trile butadiene rubber (NBR), Ethylene propylene diene rubber (EPDM), etc.
  • Our standard packing is net 25kg / 200 kg drums / 1000kg/IBC,or according to your requirements.
  • Provided for free
Inventory items
  • 15 tons.

Packaging Specifications

Packaging Specifications
Contact Jessica G

Jessica G.

Get in touch to Get

  • Quick and helpful reply within 8 hours;
  • Tailored solutions provided for your project;
  • One-stop purchasing service.
Please enable JavaScript in your browser to complete this form.
Scroll to Top