Product name:Bis[3-(triethoxysilyl)propyl]tetrasulfide
Purity:99%
Appearance:Light yellow liquid
Sample:Available
Storage:2-8°C
CAS No.: 40372-72-3
Bis[3-(triethoxysilyl)propyl]tetrasulfide Cas 40372-72-3
Typical Properties
Chemical name:Bis[3-(triethoxysilyl)propyl]tetrasulfide
Cas no:40372-72-3
Synonyms:Silane coupler KH-858;TESPT; Si69
Molecular weight:538.95
Molecular formula:C18H42O6S4Si2
Molecular structure:
![双-[3-(三乙氧基硅)丙基]-四硫化物 结构式](https://www.chemicalbook.com/CAS/GIF/40372-72-3.gif)
| Item | Specification |
| Boiling point | 250 °C |
| Density | 1.08 g/mL |
| RI | n20/D 1.49 |
| Fp | 91°C |
| Sulfur content | approximately 22.5% |
Usage
Rubber Industry: Used as a sulfur-containing silane coupling agent in rubber systems filled with silica, silicates, or talc; widely applied in green tires, rubber rollers, conveyor belts, hoses, and rubber shoe soles.
Rubber-Plastic Composites: Used in glass fiber or mineral-filled rubber/elastomers to improve filler dispersion and the mechanical properties of the finished products.
Adhesives and Sealants: Enhances the bonding strength between inorganic fillers and organic substrates; also suitable for metal anti-corrosion pre-treatment.
Packaging and Shipping
200kg/drum
According to customer requirements.
Inquiry Price for
Bis[3-(triethoxysilyl)propyl]tetrasulfide Cas 40372-72-3