Description

1,1-Bis(Trimethoxysilylmethyl)Ethylene is a specialized organosilicon compound featuring a unique ethylene bridge flanked by two trimethoxysilylmethyl groups. This molecular architecture makes it a valuable bifunctional crosslinking and coupling agent, capable of forming durable bonds between organic polymers and inorganic substrates. It is primarily sought after by manufacturers in the silicone, adhesive, sealant, and advanced composite materials industries for enhancing material properties and performance.

Application

• Crosslinking Agent for Silicone Polymers: Used to improve the thermal stability, mechanical strength, and crosslink density of silicone elastomers and resins.
• Adhesive and Sealant Formulations: Enhances adhesion to difficult substrates like glass, metals, and minerals, improving durability and environmental resistance.
• Surface Modification and Coupling Agent: Imparts hydrophobic properties and improves the compatibility and dispersion of fillers (e.g., silica, minerals) in polymer matrices.
• Precursor for Hybrid Organic-Inorganic Materials: Serves as a key monomer in sol-gel processes for creating advanced coatings, membranes, and composite materials with tailored properties.
• Rubber and Tire Industry: Used as a silane coupling agent to enhance the bonding between silica fillers and rubber, improving wear resistance and fuel efficiency.
• Fiber Reinforced Plastics (FRP): Improves the interfacial adhesion between glass or carbon fibers and the polymer resin, leading to stronger, more durable composites.

Basic Information

Product Name	1,1-Bis(Trimethoxysilylmethyl)Ethylene
CAS No.	143727-20-2
Molecular Formula	C11H26O6Si2
Molecular Weight	310.50 g/mol
Synonyms	1,1-Bis[(trimethoxysilyl)methyl]ethylene; Ethylene-1,1-diylbis(methylene) bis(trimethoxysilane); 1,1-Bis(trimethoxysilylmethyl)ethene; BTMSE; Silane A-1716 (trade name variant); Bis(trimethoxysilylmethyl)ethylene; (Ethene-1,1-diylbis(methylene))bis(trimethoxysilane)
EINECS	Contact for details

Quality Control

Our production of 1,1-Bis(Trimethoxysilylmethyl)Ethylene adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, NMR, and FTIR for identity and purity verification, to ensure consistency and meet precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request.

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, the container must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Density (20°C)	~1.05 g/cm³
Refractive Index (n20D)	~1.425

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