Description

Tetrakis(Butoxyethoxy)Silane is a versatile organosilicon compound characterized by its unique branched alkoxy groups. This chemical is valued for its ability to act as a coupling agent and crosslinker, enhancing the compatibility and performance of materials in demanding formulations. It is primarily sought after by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as in the production of specialty polymers and composites.

Application

• As a crosslinking agent in silicone-based sealants and adhesives to improve elasticity and durability.
• As a coupling agent in composite materials to enhance the bond between inorganic fillers and organic polymer matrices.
• As a key intermediate in the synthesis of specialty silicone resins and modified polysiloxanes for high-performance coatings.
• As a surface modifier for pigments and nanoparticles to improve dispersion and stability in various media.
• In the formulation of release coatings and mold-making materials.
• As a potential component in herbicide and pesticide formulations to aid in adhesion and rainfastness.

Basic Information

Product Name	Tetrakis(Butoxyethoxy)Silane
CAS No.	18765-38-3
Molecular Formula	C20H44O8Si
Molecular Weight	440.65 g/mol
Synonyms	Silane, tetrakis(2-butoxyethoxy)-; Tetra(2-butoxyethoxy)silane; 2-Butoxyethanol, silicon(4+) salt; Silicon tetra(2-butoxyethoxide); Tetrakis(2-butoxyethoxy)silane; TBES; Bis(2-butoxyethyl) ether, silicon derivative
EINECS	242-548-8

Quality Control

Our Tetrakis(Butoxyethoxy)Silane is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay by GC or titration and identity confirmation by FT-IR, to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, moisture content, and other critical parameters is provided with every shipment to guarantee traceability and compliance.

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 product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Moisture (Karl Fischer)	≤ 0.5%
Density (at 20°C)	~1.0 g/mL
Refractive Index (n20D)	~1.430

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