Description

1,4-Bis-Triethoxysilanyloxy-Benzene is a high-purity organosilicon compound, specifically a bis-silane derivative, designed for advanced material synthesis. Its core value lies in its dual triethoxysilane groups, which enable robust covalent bonding to inorganic surfaces while the central benzene ring provides structural stability and organic compatibility. This product is essential for manufacturers and R&D teams in the electronics, advanced coatings, and specialty polymer industries seeking to enhance material adhesion, durability, and surface functionality.

Application

• Silane Coupling Agent: A key intermediate for formulating advanced adhesion promoters in glass fiber-reinforced composites and mineral-filled plastics.
• Surface Modification: Used to functionalize silica, glass, and metal oxide surfaces to improve compatibility with organic resins and polymers.
• Hybrid Material Synthesis: Serves as a molecular building block (precursor) for creating sol-gel derived organic-inorganic hybrid (OIH) coatings and materials.
• Electronic Encapsulants: Incorporated into protective coatings and potting compounds for semiconductors and electronic components to enhance moisture resistance and thermal stability.
• Specialty Resins & Polymers: Employed as a cross-linking agent or modifier in the production of high-performance silicones and other specialty polymers.
• Optical Materials: Potential use in the development of optical films and coatings where precise refractive index tuning and durability are required.

Basic Information

Product Name	1,4-Bis-Triethoxysilanyloxy-Benzene
CAS No.	885274-42-0
Molecular Formula	C18H34O6Si2
Molecular Weight	402.64 g/mol
Synonyms	1,4-Bis(triethoxysilyloxy)benzene; p-Bis(triethoxysiloxy)benzene; Benzene-1,4-diyl bis(triethyl silicate); Bis(triethoxysilyloxy)benzene; 1,4-Phenylene bis(triethyl orthosilicate); Organosilane coupling agent 885274-42-0; p-Phenylene bis(triethoxysilane); EINECS (Contact for details)

Quality Control

Every batch of our 1,4-Bis-Triethoxysilanyloxy-Benzene is manufactured under a strict quality management system and undergoes rigorous analytical testing to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with industrial best practices for fine chemical production.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Density (at 20°C)	~1.00 - 1.05 g/cm³
Refractive Index (n20D)	~1.420 - 1.440

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