Description

1,4-Bis(Trimethoxysilylethyl)Benzene is a specialized organosilicon compound featuring a central benzene ring symmetrically substituted with trimethoxysilylethyl groups. This unique molecular architecture makes it a highly effective coupling agent and a versatile building block for advanced materials. It is essential for manufacturers in the silicone, polymer, and coatings industries seeking to enhance adhesion, cross-linking density, and material compatibility. Its bifunctional nature allows it to bridge organic and inorganic phases, creating durable, high-performance composites.

Application

• Cross-linking Agent for Silicones: Used to improve the mechanical strength, thermal stability, and curing properties of silicone elastomers and resins.
• Adhesion Promoter in Coatings: Enhances the bonding of paints, primers, and adhesives to difficult substrates like metals, glass, and plastics.
• Surface Modification of Fillers: Treats silica, glass fibers, and other mineral fillers to improve dispersion and interfacial bonding within polymer matrices.
• Precursor for Hybrid Organic-Inorganic Materials (ORMOSILs): Serves as a key monomer in sol-gel processes to create advanced coatings, lenses, and optical materials.
• Rubber Reinforcement: Acts as a coupling agent in tire and industrial rubber compounds to improve filler-rubber interaction and product durability.
• Electronic Encapsulants and Sealants: Imparts moisture resistance and enhanced adhesion in protective materials for electronic components.

Basic Information

Item	Detail
Product Name	1,4-Bis(Trimethoxysilylethyl)Benzene
CAS No.	58298-01-4
Molecular Formula	C18H34O6Si2
Molecular Weight	402.64 g/mol
Synonyms	1,4-Bis(2-(trimethoxysilyl)ethyl)benzene; p-Bis(trimethoxysilylethyl)benzene; Benzene, 1,4-bis[2-(trimethoxysilyl)ethyl]-; Bis(trimethoxysilylethyl)benzene; Dow Corning Z-6940 (typical trade name); Silane coupling agent; Aromatic bridged silane
EINECS	Contact for details

Quality Control

Our production of 1,4-Bis(Trimethoxysilylethyl)Benzene adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality system is designed to meet the exacting standards of industrial and advanced material applications, ensuring supply reliability and product integrity.

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 to prevent degradation from atmospheric moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Refractive Index (n20/D)	1.460 - 1.470
Density (20°C)	1.05 - 1.10 g/cm³

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