Description

2-(Carbomethoxy)Ethyltrimethoxysilane is a versatile organosilicon coupling agent featuring both methoxysilane and ester functional groups. This bifunctional structure is critical for enhancing adhesion and compatibility between inorganic materials and organic polymers. It is essential for manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as for producers of advanced composites and surface-modified fillers.

Application

• As a coupling agent in mineral-filled composites (e.g., talc, silica, clay) to improve mechanical properties and dispersion.
• As a surface modifier for inorganic pigments and fillers to enhance their compatibility with polymer matrices.
• In the formulation of moisture-curable adhesives and sealants to improve adhesion to glass, metals, and masonry substrates.
• As a crosslinking agent or chain extender in silicone-modified organic polymers.
• For the primerless adhesion of RTV silicones and other elastomers to various substrates.
• In the production of specialty coatings to provide improved corrosion resistance and durability.

Basic Information

Product Name	2-(Carbomethoxy)Ethyltrimethoxysilane
CAS No.	76301-00-3
Molecular Formula	C7H16O5Si
Molecular Weight	208.28 g/mol
Synonyms	3-(Trimethoxysilyl)propyl methyl succinate; (3-(Methoxycarbonyl)propyl)trimethoxysilane; Methyl 3-(trimethoxysilyl)propionate; Silane A-174 (historical/related); γ-Methacryloxypropyltrimethoxysilane analog (ester variant); Carbomethoxyethyltrimethoxysilane; 2-(Methoxycarbonyl)ethyltrimethoxysilane
EINECS	Contact for details

Quality Control

Our production of 2-(Carbomethoxy)Ethyltrimethoxysilane adheres to stringent quality management protocols. Every batch is analyzed to ensure consistent purity and performance, meeting the high standards required for industrial and specialty chemical applications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent hydrolysis and degradation upon exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.410 - 1.420
Density (20°C)	1.06 - 1.10 g/mL

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