Description

Trimethylsilyl 4-(Triethoxysilyl)Butyrate is a versatile organosilicon compound that functions as a dual-functional coupling agent, containing both hydrolyzable ethoxysilyl groups and a stable trimethylsilyl ester. This unique structure makes it a critical intermediate for modifying material surfaces and enhancing compatibility between organic polymers and inorganic substrates. It is primarily used by formulators and researchers in the advanced materials, coatings, and adhesives industries seeking to improve adhesion, dispersion, and moisture resistance.

Application

• Surface Modification Agent: Used to treat glass, silica, metals, and other inorganic fillers to improve their compatibility and bonding with organic polymer matrices.
• Adhesion Promoter: Enhances the adhesion of coatings, sealants, and adhesives to difficult-to-bond substrates like glass and metals.
• Crosslinking Agent: Serves as a co-monomer or crosslinker in silicone-based polymers and hybrid organic-inorganic materials (ORMOSILs).
• Filler Treatment: Imparts hydrophobic properties to mineral fillers (e.g., silica, calcium carbonate) in composite materials, improving dispersion and mechanical properties.
• Primer Formulation: A key component in primer formulations for automotive, aerospace, and construction applications where durable interfacial layers are required.
• Release Coatings: Used in the formulation of controlled-release coatings for papers and films.

Basic Information

Product Name	Trimethylsilyl 4-(Triethoxysilyl)Butyrate
CAS No.	23416-06-0
Molecular Formula	C15H34O5Si2
Molecular Weight	350.60 g/mol
Synonyms	4-(Triethoxysilyl)butyric acid trimethylsilyl ester; Butyric acid, 4-(triethoxysilyl)-, trimethylsilyl ester; SIB1836.0; (Triethoxysilyl)butyric Acid Trimethylsilyl Ester; Trimethylsilyl 4-triethoxysilylbutyrate; γ-(Triethoxysilyl)butyric Acid Trimethylsilyl Ester; Silane, triethoxy[3-[(trimethylsilyl)oxy]-1-oxobutyl]-; 3-(Trimethylsiloxy)-4-triethoxysilylbutyric acid (cyclic form)
EINECS	Contact for details

Quality Control

Our production of Trimethylsilyl 4-(Triethoxysilyl)Butyrate follows stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including GC, NMR, and FTIR to confirm identity and assay. Certificates of Analysis (COA) detailing purity, moisture content, and specific gravity are available for every shipment to support your quality assurance and regulatory needs.

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 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 liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (20°C)	0.95 - 1.00 g/cm³
Refractive Index (n20D)	1.410 - 1.420
Moisture (Karl Fischer)	≤ 0.5%

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