Description

Ethyl-4-(Triethoxysilyl) Benzoate is a specialized organosilicon compound that serves as a high-performance coupling agent and surface modifier. Its unique molecular structure, featuring both a benzoate ester and a triethoxysilyl group, enables strong covalent bonding between organic polymers and inorganic substrates. This product is essential for manufacturers in advanced materials sectors seeking to enhance composite material performance, adhesion, and durability. Key industries include specialty coatings, advanced composites, and high-performance sealants.

Application

• Surface Modification Agent for glass, silica, and metal oxides to improve polymer adhesion.
• Coupling Agent in fiber-reinforced polymer composites (e.g., glass fiber, carbon fiber) to enhance interfacial strength and mechanical properties.
• Adhesion Promoter in high-performance paints, coatings, and inks for demanding substrates.
• Crosslinking Agent and modifier in silicone-based sealants and elastomers to improve weather resistance and bonding.
• Precursor for synthesizing advanced hybrid organic-inorganic materials (ORMOSILs) for optical and electronic applications.
• Nanomaterial Functionalization to tailor the surface properties of nanoparticles for specific dispersion and compatibility requirements.

Basic Information

Product Name	Ethyl-4-(Triethoxysilyl) Benzoate
CAS No.	197662-64-9
Molecular Formula	C16H26O5Si
Molecular Weight	326.46 g/mol
Synonyms	4-(Triethoxysilyl)benzoic Acid Ethyl Ester; Benzoic Acid, 4-(Triethoxysilyl)-, Ethyl Ester; Ethyl p-(Triethoxysilyl)benzoate; (4-Ethoxycarbonylphenyl)triethoxysilane; Silane, (4-(ethoxycarbonyl)phenyl)triethoxy-; Triethoxy(4-(ethoxycarbonyl)phenyl)silane
EINECS	Contact for details

Quality Control

Our Ethyl-4-(Triethoxysilyl) Benzoate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including GC/HPLC for purity and FT-IR and NMR for structural confirmation, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all relevant parameters is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place 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) after opening to prevent hydrolysis and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Refractive Index (n20D)	1.470 - 1.480
Density (g/mL, 20°C)	1.040 - 1.080

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