Description

Diethoxydiphenylsilane is a versatile organosilicon compound, specifically a dialkoxy diarylsilane, valued for its role as a key synthetic intermediate and coupling agent. Its molecular structure makes it a crucial building block for introducing diphenylsilane moieties into more complex molecules and materials. This product is essential for manufacturers and R&D teams in the advanced materials, pharmaceutical, and specialty chemical sectors seeking to develop silicones, silane coupling agents, and functional polymers.

Application

• Silicone & Polymer Synthesis: A key monomer or intermediate in the production of specialty phenyl-containing silicone resins, elastomers, and copolymers.
• Surface Modification & Coupling Agent: Used to functionalize inorganic surfaces (e.g., silica, glass) with organic phenyl groups to improve compatibility with organic matrices in composites.
• Pharmaceutical Intermediates: Serves as a protected or functionalized synthon in the multi-step synthesis of active pharmaceutical ingredients (APIs) and other bioactive compounds.
• Advanced Material Precursor: Employed in sol-gel processes and the synthesis of hybrid organic-inorganic materials (OIMs) for coatings, optics, and electronics.
• Adhesive & Sealant Formulations: Acts as an adhesion promoter and cross-linking agent in high-performance silicone-based adhesive and sealant systems.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new organosilicon chemistry and material properties.

Basic Information

Product Name	Diethoxydiphenylsilane
CAS No.	155684-44-9
Molecular Formula	C16H20O2Si
Molecular Weight	272.42 g/mol
Synonyms	Diphenyldiethoxysilane; Diethoxy(diphenyl)silane; Silane, diethoxydiphenyl-; Diphenyl diethoxysilane; (Diethoxysilyl)dibenzene; Diethoxy diphenyl silane; EINECS 604-680-8
EINECS	604-680-8

Quality Control

Our Diethoxydiphenylsilane is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (IR, NMR), to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Refractive Index (n20D)	1.525 - 1.535
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.