Description

Diphenylmethylethoxysilane is a versatile organosilicon compound, specifically a silane coupling agent, valued for its ability to modify surfaces and enhance adhesion between organic polymers and inorganic materials. Its core value proposition lies in improving the performance and durability of composite materials and coatings. This product is essential for manufacturers in the silicone polymer, adhesive, sealant, and specialty coating industries, where it acts as a cross-linking agent and surface treatment.

Application

• As a key cross-linking agent in the synthesis of silicone resins and elastomers.
• Surface modification of inorganic fillers (e.g., silica, glass fibers) to improve compatibility with organic polymer matrices.
• A coupling agent in high-performance adhesives and sealants to enhance bond strength and environmental resistance.
• Intermediate in the production of other specialty organosilicon compounds and pharmaceutical ingredients.
• Hydrophobic treatment agent for creating water-repellent surfaces on various substrates.
• Used in the formulation of release coatings and mold-making materials.
• Component in electronic encapsulants and potting compounds to improve moisture resistance.

Basic Information

Product Name	Diphenylmethylethoxysilane
CAS No.	1825-59-8
Molecular Formula	C15H18OSi
Molecular Weight	242.39 g/mol
Synonyms	Ethoxydiphenylmethylsilane; Methyldiphenylethoxysilane; Diphenylmethyl ethoxysilane; (Ethoxy)diphenylmethylsilane; Silane, ethoxydiphenylmethyl-; Ethoxy(diphenyl)methylsilane; EINECS 217-369-8
EINECS	217-369-8

Quality Control

Our Diphenylmethylethoxysilane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including chromatography and spectroscopy, to confirm identity and assay. Certificates of Analysis (COA) detailing purity and key specifications are available for every batch and provided upon request, supporting your quality assurance and regulatory compliance 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 product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (n20D)	1.550 - 1.560
Density (20°C)	1.02 - 1.06 g/mL

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