Description

5-Hexenyltrichlorosilane is a highly reactive organosilicon compound featuring a terminal alkene group. This bifunctional structure makes it a crucial coupling agent and surface modifier in advanced materials science. It is primarily used by manufacturers in the silicone polymers, specialty coatings, and composite materials industries to enhance adhesion and tailor surface properties.

Application

• Surface Priming Agent: Used to modify glass, silica, and metal oxide surfaces, creating a hydrophobic and organofunctional layer to improve adhesion of polymers, resins, and coatings.
• Silicone Intermediate: Serves as a key monomer or cross-linker in the synthesis of specialty silicone polymers and elastomers with unique mechanical properties.
• Adhesion Promoter: Incorporated into primers and adhesive formulations to significantly enhance bond strength between inorganic substrates (like glass or metals) and organic polymers.
• Composite Material Coupling Agent: Improves the interfacial compatibility and load transfer in fiber-reinforced plastics (FRP) and mineral-filled composites by chemically bonding the filler to the polymer matrix.
• Nanomaterial Functionalization: Employed to graft organic chains onto nanoparticles (e.g., silica, quantum dots) for dispersion stability and further chemical modification.
• Hydrophobic Coating Precursor: Used to create durable water-repellent and anti-corrosive coatings on various surfaces.

Basic Information

Product Name	5-Hexenyltrichlorosilane
CAS No.	18817-29-3
Molecular Formula	C6H11Cl3Si
Molecular Weight	217.59 g/mol
Synonyms	5-Hexen-1-yltrichlorosilane; Trichloro(5-hexenyl)silane; 5-Hexenylsilicon trichloride; (5-Hexenyl)trichlorosilane; Allylpropyltrichlorosilane; 1-Trichlorosilyl-5-hexene; 18817-29-3; Silane, trichloro-5-hexen-1-yl-
EINECS	242-599-7

Quality Control

Our 5-Hexenyltrichlorosilane is produced under stringent quality management protocols. Every batch undergoes rigorous analytical testing, including GC and NMR analysis, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided to guarantee compliance with your specific application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area, away from heat and incompatible materials. Due to its moisture-sensitive (hygroscopic) nature, containers must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis. Recommended storage temperature: 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Density (at 20°C)	1.10 - 1.15 g/mL
Refractive Index (n20D)	1.450 - 1.460

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.