Description

9-[2-(2-Methoxyethoxy)Ethoxy]-9-[3-(Oxiranylmethoxy)Propyl]-2,5,8,10,13,16-Hexaoxa-9-Silaheptadecane is a specialized organosilicon compound featuring a unique hybrid structure with both polyether and epoxy functionalities. This molecular design is critical for its role as a high-performance coupling agent and surface modifier, enabling strong interfacial adhesion between dissimilar materials. It is essential for manufacturers in the advanced composites, electronics, and specialty coatings industries seeking to enhance material compatibility and performance.

Application

• Epoxy Resin Modification: Acts as a reactive diluent and flexibilizer, improving processability and mechanical properties of epoxy systems for adhesives, encapsulants, and composites.
• Surface Priming Agent: Used to treat inorganic fillers (glass, silica, metals) to improve their dispersion and bonding within organic polymer matrices.
• Adhesion Promoter: Enhances the bond strength between coatings, inks, or adhesives and difficult-to-adhere substrates like metals, glass, and certain plastics.
• Crosslinking Agent: Utilized in the formulation of silicone-modified organic polymers, contributing to network formation and property enhancement.
• Fiber Sizing: Applied as a key component in sizing formulations for glass or carbon fibers to protect filaments and improve resin-fiber interfacial shear strength.
• Electronic Encapsulation: Employed in potting and encapsulation compounds for electronic components due to its potential to reduce stress and improve moisture resistance.

Basic Information

Product Name	9-[2-(2-Methoxyethoxy)Ethoxy]-9-[3-(Oxiranylmethoxy)Propyl]-2,5,8,10,13,16-Hexaoxa-9-Silaheptadecane
CAS No.	88127-84-8
Molecular Formula	C19H40O9Si
Molecular Weight	440.60 g/mol
Synonyms	3-(2,5,8,11,14,17-Hexaoxa-3-silaicos-19-en-3-yl)propyl glycidyl ether; (3-Glycidoxypropyl)tris(2-(2-methoxyethoxy)ethoxy)silane; Glycidoxypropyl tris(methoxyethoxyethoxy)silane; Silane, [3-(oxiranylmethoxy)propyl]tris[2-(2-methoxyethoxy)ethoxy]-; GPTMS-TEOS (related hybrid precursor); Epoxy-functional polyether silane; A-187 equivalent (polyether-modified); KBE-4103 (trade name equivalent)
EINECS	Contact for details

Quality Control

Our production of 9-[2-(2-Methoxyethoxy)Ethoxy]-9-[3-(Oxiranylmethoxy)Propyl]-2,5,8,10,13,16-Hexaoxa-9-Silaheptadecane adheres to a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against stringent specifications, including assay, epoxy value, and moisture content. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment to support your quality assurance protocols.

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 after opening to prevent degradation from atmospheric moisture. Keep away from heat and incompatible materials such as strong acids and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC or HPLC)	≥ 95.0%
Epoxy Value	Contact for details
Refractive Index (n20D)	1.440 - 1.450
Density (g/mL, 20°C)	1.05 - 1.10
Moisture (KF)	≤ 0.5%

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