Description

Vinylsilane CAS NO 7291-09-0 is a versatile organosilicon compound featuring a reactive vinyl group bonded to a silicon atom. This unique structure makes it a crucial coupling agent and monomer for modifying polymer properties and enhancing material interfaces. It is essential for manufacturers in the silicone, plastics, and advanced materials industries seeking to improve adhesion, cross-linking efficiency, and surface compatibility.

Application

• Cross-linking Agent: Used as a co-monomer in the production of cross-linked silicone polymers and resins, enhancing thermal stability and mechanical strength.
• Adhesion Promoter: Functions as a coupling agent in composite materials, glass fiber reinforcements, and mineral-filled plastics to improve bonding between organic polymers and inorganic surfaces.
• Surface Modification: Employed to modify the surface properties of silica, glass, and other fillers to increase compatibility with various polymer matrices.
• Silicone Rubber Manufacturing: A key intermediate in the synthesis of vinyl-functional silicone fluids, elastomers, and sealants, contributing to peroxide-cured systems.
• Hybrid Material Synthesis: Serves as a precursor in sol-gel processes for creating organic-inorganic hybrid coatings and materials with tailored properties.
• Water Repellency Treatments: Used in formulations for imparting water repellent characteristics to textiles, construction materials, and stone.
• Electronic Encapsulants: Incorporated into silicone-based potting and encapsulating compounds for electronic components due to its reactivity and stability.

Basic Information

Product Name	Vinylsilane
CAS No.	7291-09-0
Molecular Formula	C2H6Si
Molecular Weight	58.15 g/mol
Synonyms	Ethenylsilane; Silane, ethenyl-; Vinylsilicon hydride; Monovinylsilane; Vinyldihydridosilane; Ethenylsilan; Vinylsilan; Divinylsilane (Note: Different CAS); Vinylsilane monomer
EINECS	Contact for details

Quality Control

Our Vinylsilane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including Gas Chromatography (GC) and FT-IR spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen) after opening to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Density (20°C)	~0.68 g/mL
Refractive Index (n20D)	~1.41
Water Content (KF)	≤ 0.1%

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