Description

Triethoxy(4-Methoxyphenyl)Silane is a high-purity organosilicon coupling agent characterized by its unique aromatic methoxy functionality. This compound is essential for creating robust chemical bridges between inorganic substrates and organic polymers, enhancing material performance and durability. It is primarily utilized by manufacturers in the advanced materials, coatings, and electronics industries seeking to improve adhesion, dispersion, and surface modification.

Application

• Surface Modification Agent: Used to functionalize glass, silica, and metal oxide surfaces to improve compatibility with organic resins.
• Adhesion Promoter: A key ingredient in primers and coupling agents for paints, coatings, and adhesives, especially for challenging substrates.
• Polymer & Composite Manufacturing: Serves as a monomer or cross-linking agent in the synthesis of silicone resins, hybrid organic-inorganic polymers, and reinforced composites.
• Electronics & Semiconductor Precursor: Employed in the fabrication of dielectric layers, protective coatings, and as a precursor in chemical vapor deposition (CVD) processes.
• Filler Treatment: Enhances the dispersion and interfacial bonding of mineral fillers (e.g., silica, clay) in rubber and plastic compounds.
• Research & Development: A valuable building block in organic synthesis and materials science research for developing novel silane derivatives and functional materials.

Basic Information

Product Name	Triethoxy(4-Methoxyphenyl)Silane
CAS No.	21130-91-6
Molecular Formula	C13H22O4Si
Molecular Weight	270.40 g/mol
Synonyms	(4-Methoxyphenyl)triethoxysilane; p-Methoxyphenyltriethoxysilane; 4-Methoxyphenyltriethoxysilane; Triethoxy(p-methoxyphenyl)silane; Silane, triethoxy(4-methoxyphenyl)-; 21130-91-6; Anisyltriethoxysilane
EINECS	Contact for details

Quality Control

Our Triethoxy(4-Methoxyphenyl)Silane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and functional group verification, to ensure it meets precise specifications and consistent performance. A Certificate of Analysis (COA) detailing purity, identity, and key parameters is provided with every shipment to guarantee traceability and compliance with your quality 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). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed and under an inert atmosphere (e.g., nitrogen) after opening to prevent hydrolysis and maintain product integrity.

Specification

Item	Specification
Appearance	Clear colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Refractive Index (n20D)	1.470 - 1.480
Density (20°C)	1.00 - 1.05 g/cm³

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