Description

Phenyldiethoxysilane is a versatile organosilicon compound, specifically an ethoxysilane derivative, widely used as a key intermediate and coupling agent in advanced material synthesis. Its primary value lies in its ability to introduce phenyl and ethoxy functional groups into polymers and surfaces, enhancing properties like hydrophobicity, adhesion, and thermal stability. This product is essential for manufacturers in the silicone resin, adhesive, and specialty coatings industries, as well as for researchers developing novel hybrid organic-inorganic materials.

Application

• Silicone Resin & Polymer Modification: Acts as a crucial monomer or cross-linking agent in the production of phenyl-containing silicone resins, improving their heat resistance and optical clarity.
• Surface Treatment & Coupling Agent: Used to modify inorganic surfaces like glass, silica, and metals, promoting adhesion between organic polymers and inorganic substrates in composite materials.
• Hydrophobic Coatings: Serves as a precursor for creating water-repellent and anti-corrosion coatings on various surfaces.
• Adhesives & Sealants: Incorporated to enhance the bonding strength, flexibility, and environmental durability of high-performance adhesives and sealants.
• Pharmaceutical & Chemical Intermediate: Utilized in the synthesis of more complex organosilicon molecules for pharmaceutical applications and specialty chemicals.
• Electronic Encapsulants: Employed in the formulation of protective materials for electronic components due to its good dielectric properties and stability.

Basic Information

Product Name	Phenyldiethoxysilane
CAS No.	17872-93-4
Molecular Formula	C10H16O2Si
Molecular Weight	196.32 g/mol
Synonyms	Diethoxyphenylsilane; Phenyldiethoxysilane; Diethoxy(phenyl)silane; Phenyl diethoxysilane; Silane, diethoxyphenyl-; Phenylsilanediol diethyl ether; (Diethoxy)(phenyl)silane; NSC 66195
EINECS	241-826-6

Quality Control

Our Phenyldiethoxysilane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including GC, NMR, and titration methods, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee compliance with your technical 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 and highly volatile nature, the container must be kept tightly sealed under dry conditions (e.g., under an inert atmosphere or with desiccant) when not in use to prevent moisture absorption and evaporation. 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)	≥ 98.0%
Refractive Index (n20/D)	1.460 - 1.470
Density (20°C)	0.99 - 1.01 g/mL
Water Content (Karl Fischer)	≤ 0.5%

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