Description

Dimethoxymethylphenylsilane is a versatile organosilicon compound, also known as Methylphenyldimethoxysilane, valued for its role as a key intermediate and coupling agent in advanced material synthesis. Its bifunctional structure, featuring both hydrolyzable methoxy groups and an organic phenylmethyl moiety, makes it essential for modifying surface properties and enhancing material compatibility. This chemical is particularly critical for manufacturers in the pharmaceutical, silicone resin, and specialty coatings industries seeking to improve product performance and durability.

Application

• Silicone Resin & Polymer Modification: Acts as a cross-linking agent and monomer in the production of heat-resistant and weatherable silicone resins for coatings and encapsulants.
• Surface Treatment & Adhesion Promotion: Used as a coupling agent to functionalize inorganic surfaces like glass, silica, and metals, improving adhesion in composite materials and sealants.
• Pharmaceutical Intermediate: Serves as a protected synthon or building block in the synthesis of more complex organosilicon-based active pharmaceutical ingredients (APIs).
• Hydrophobic Coatings: A precursor for creating water-repellent surface treatments on textiles, construction materials, and electronic components.
• Rubber & Elastomer Manufacturing: Imparts specific processing and performance characteristics as an additive or modifier in silicone rubber formulations.
• Electronics & Semiconductor Industry: Employed in the deposition of silicon-containing thin films or as a passivation agent in microelectronics fabrication.

Basic Information

Product Name	Dimethoxymethylphenylsilane
CAS No.	3027-21-2
Molecular Formula	C9H14O2Si
Molecular Weight	182.29 g/mol
Synonyms	Methylphenyldimethoxysilane; Phenyldimethoxymethylsilane; Dimethoxy(methyl)phenylsilane; (Dimethoxymethylsilyl)benzene; Methylphenylsilanediol dimethyl ether; Phenylmethyldimethoxysilane; Silane, dimethoxymethylphenyl-; NSC 163083
EINECS	221-194-4

Quality Control

Our Dimethoxymethylphenylsilane is produced under stringent quality management systems to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including GC, NMR, and Karl Fischer titration, to verify identity, purity, and critical parameters like moisture content. A detailed Certificate of Analysis (COA) documenting all test results is provided with every shipment to support your quality assurance protocols.

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 (moisture-sensitive) nature, the container must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen or argon) after opening to prevent hydrolysis and maintain product integrity. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.470 - 1.480
Density (20°C)	0.98 - 1.02 g/mL

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