Description

Benzyldimethylethoxysilane is a versatile organosilicon compound featuring a reactive ethoxysilane group and a benzyl moiety. This dual functionality makes it a valuable intermediate for introducing silicon-based properties and aromatic character into advanced materials. It is primarily sought after by manufacturers in the silicone polymer, surface treatment, and pharmaceutical intermediates sectors for its role as a coupling agent and building block.

Application

• As a key coupling agent and crosslinker in the synthesis of specialty silicone resins and elastomers.
• As a surface modifying agent for silane treatment of fillers (e.g., silica, glass) to improve dispersion and compatibility in polymer composites.
• As a precursor for the synthesis of more complex organosilicon compounds used in pharmaceuticals and agrochemicals.
• In the formulation of adhesives, sealants, and coatings to enhance adhesion to various substrates.
• For the hydrophobic treatment of surfaces in construction and protective coating applications.
• As a reagent in organic synthesis, particularly for introducing the benzyldimethylsilyl protecting group.

Basic Information

Product Name	Benzyldimethylethoxysilane
CAS No.	17151-27-8
Molecular Formula	C11H18OSi
Molecular Weight	194.35 g/mol
Synonyms	Benzyldimethylethoxysilane; (Dimethyl)(phenylmethyl)ethoxysilane; Ethoxybenzyldimethylsilane; Benzyldimethyl(ethoxy)silane; Dimethyl(ethoxy)(phenylmethyl)silane; NCI-C60966; Silane, ethoxybenzyldimethyl-; Benzyl(dimethyl)ethoxysilane
EINECS	241-212-3

Quality Control

Our Benzyldimethylethoxysilane is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including GC and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specification parameters are provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic and highly volatile nature, store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen) when not in use to minimize moisture uptake and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	0.90 - 0.92 g/mL
Refractive Index (n20/D)	1.480 - 1.490

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