Description

Phenyldimethylethoxysilane is a versatile organosilicon compound widely used as a key intermediate and surface modifying agent. Its value lies in its ability to introduce phenyl and ethoxy functional groups, which are critical for imparting specific properties like hydrophobicity, adhesion promotion, and chemical resistance to materials. This product is essential for manufacturers in the silicone polymer, coatings, and electronics industries seeking to enhance material performance. Reliable sourcing of high-purity silanes is fundamental for consistent production outcomes.

Application

• Silicone Intermediate: A crucial building block in the synthesis of phenyl-modified silicone oils, resins, and elastomers.
• Surface Treatment Agent: Used to modify inorganic surfaces like glass, silica, and metals to improve hydrophobicity and compatibility with organic polymers.
• Adhesion Promoter: Functions as a coupling agent in sealants, adhesives, and composite materials to enhance bonding between organic and inorganic phases.
• Electronics & Semiconductor: Employed in the formulation of dielectric materials, encapsulants, and as a precursor in chemical vapor deposition (CVD) processes.
• Pharmaceutical & Agrochemical Synthesis: Serves as a protecting group or functionalizing agent in the synthesis of complex organic molecules.
• Water Repellent Coatings: A key component in formulations for creating durable, water-resistant coatings on construction materials.

Basic Information

Product Name	Phenyldimethylethoxysilane
CAS No.	1825-58-7
Molecular Formula	C10H16O1Si1 or C10H16OSi
Molecular Weight	180.32 g/mol
Synonyms	Dimethyl(phenyl)ethoxysilane; Ethoxydimethylphenylsilane; Phenyldimethylethoxy silane; Phenyl(dimethyl)ethoxysilane; Dimethylphenyl ethoxysilane; Ethoxy(dimethyl)phenylsilane; (Dimethylethoxysilyl)benzene; EINECS 217-371-7
EINECS	217-371-7

Quality Control

Our Phenyldimethylethoxysilane is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analysis including assay by GC or titration, identity confirmation by FT-IR, and impurity profiling. We provide full traceability and Certificates of Analysis (COA) are available for every shipment upon request, detailing all relevant specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flames. The product is light-sensitive and should be stored away from direct light exposure. Containers should be kept tightly sealed when not in use to minimize moisture absorption and evaporation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to standard
Assay (GC)	≥ 98.0%
Refractive Index (n20/D)	1.475 - 1.485
Density (20°C)	0.92 - 0.96 g/mL
Water Content (KF)	≤ 0.1%

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