Description

Diethoxytetraphenyldisiloxane is a specialized organosilicon compound characterized by its unique disiloxane backbone flanked by ethoxy and phenyl substituents. This structure makes it a valuable intermediate and functional additive, offering a balance of reactivity and stability for advanced material synthesis. It is primarily utilized in the production of high-performance silicones, as a coupling agent in composite materials, and as a precursor in organometallic chemistry. Industries such as specialty polymers, electronics, and advanced coatings rely on this chemical for its tailored properties.

Application

• Silicone Resin & Polymer Intermediate: Serves as a key building block for synthesizing phenyl-containing silicone resins with enhanced thermal stability and optical clarity.
• Surface Modification & Coupling Agent: Used to functionalize inorganic fillers (e.g., silica, glass) to improve compatibility and dispersion in organic polymer matrices for composites.
• Adhesion Promoter: Enhances the bond strength between organic coatings/adhesives and inorganic substrates in demanding environments.
• Precursor for Specialty Silanes: Acts as a starting material for the synthesis of other functional silanes and siloxanes via controlled hydrolysis and condensation reactions.
• Electronic Encapsulants & Potting: Imparts desirable dielectric properties and moisture resistance in formulations for protecting sensitive electronic components.
• Research & Development: Employed in academic and industrial R&D for exploring new organosilicon chemistry, catalysts, and material science applications.

Basic Information

Product Name	Diethoxytetraphenyldisiloxane
CAS No.	41376-08-3
Molecular Formula	C32H38O3Si2
Molecular Weight	526.82 g/mol
Synonyms	1,3-Diethoxytetraphenyldisiloxane; Tetraphenyldiethoxydisiloxane; Bis(diethoxyphenylsilyl) Ether; Disiloxane, 1,3-diethoxy-1,1,3,3-tetraphenyl-; Diethoxy(tetraphenyl)disiloxane; Phenyl Siloxane Derivative
EINECS	Contact for details

Quality Control

Our Diethoxytetraphenyldisiloxane is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and spectroscopic identification, to ensure it meets precise specifications and consistent performance. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key physical parameters is provided with every shipment to guarantee traceability and compliance with your quality requirements.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from incompatible materials such as strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Refractive Index (n20D)	1.550 - 1.560
Density (g/mL, 20°C)	1.05 - 1.10

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