Description

Vinyltris(Methoxypropoxy)Silane is a specialized organosilicon compound, specifically a vinyl-functional silane coupling agent. This chemical is valued for its ability to form strong, durable bonds between inorganic materials and organic polymers, significantly enhancing composite performance. It is primarily sought by manufacturers in the adhesives, sealants, coatings, and advanced composite materials industries for its superior cross-linking and adhesion promotion properties.

Application

• As a key coupling agent in mineral-filled composites (e.g., fiberglass, silica, clay) to improve mechanical strength and moisture resistance.
• Enhancing the adhesion and durability of polymer-based adhesives and sealants, particularly in automotive and construction applications.
• Surface modification of inorganic fillers and pigments to improve their dispersion and compatibility within polymer matrices like PVC, polyolefins, and engineering plastics.
• Formulation of moisture-curable cross-linking agents for silicone-based resins and RTV (Room Temperature Vulcanizing) elastomers.
• Improving the interfacial bonding in glass fiber-reinforced plastics (FRP) and other advanced composite materials.
• Used as a surface primer or treatment agent to promote adhesion on substrates like glass, metals, and minerals.

Basic Information

Product Name	Vinyltris(Methoxypropoxy)Silane
CAS No.	303746-21-6
Molecular Formula	C13H28O6Si
Molecular Weight	308.45 g/mol
Synonyms	Vinyltris(2-methoxyethoxy)silane; Vinyl-tris-(methoxypropoxy)silane; Silane, vinyltris(2-methoxyethoxy)-; 3-(Vinylsilyl)propyl methyl ether oligomer; VTMOEO; Vinyl tris(methoxyethoxy)silane; Vinyltri(methoxyethoxy)silane; A-172 (alternative trade designation for similar vinyl alkoxy silanes)
EINECS	Contact for details

Quality Control

Our Vinyltris(Methoxypropoxy)Silane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance, meeting the high standards required for industrial and specialty chemical applications. Certificates of Analysis (COA) documenting key parameters such as assay, identity, and moisture content are available upon request to support your quality assurance protocols.

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). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under a dry, inert atmosphere (e.g., nitrogen) to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~1.04 g/cm³
Refractive Index (n20D)	~1.427
Moisture (KF)	≤ 0.5%

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