Description

p-Methylphenethyl Methyl Dimethoxysilane is a specialized organosilicon compound designed for advanced material synthesis. This silane coupling agent is valued for its ability to modify surfaces and enhance the compatibility between organic polymers and inorganic substrates. It is primarily utilized in the production of high-performance silicones, advanced composites, and surface coatings for the electronics, automotive, and aerospace industries.

Application

• As a key coupling agent in the formulation of high-strength silicone resins and elastomers.
• Surface modification of inorganic fillers (e.g., silica, glass fibers) to improve dispersion and adhesion in polymer composites.
• Manufacture of moisture-curable sealants and adhesives with enhanced weather resistance.
• Precursor for synthesizing advanced siloxane-based materials with tailored properties.
• Used in the development of protective and release coatings for industrial applications.
• Potential intermediate in the synthesis of pharmaceutical or agrochemical active ingredients.
• Research and development of novel hybrid organic-inorganic materials (ORMOSILs).

Basic Information

Product Name	p-Methylphenethyl Methyl Dimethoxysilane
CAS No.	722542-80-5
Molecular Formula	C12H20O2Si
Molecular Weight	224.37 g/mol
Synonyms	Methyl(4-methylphenethyl)dimethoxysilane; (4-Methylphenethyl)methyldimethoxysilane; Dimethoxy(methyl)[2-(4-methylphenyl)ethyl]silane; p-Tolylethylmethyldimethoxysilane; 2-(4-Methylphenyl)ethylmethyldimethoxysilane; Methyl-p-tolylethyldimethoxysilane
EINECS	Contact for details

Quality Control

Our p-Methylphenethyl Methyl Dimethoxysilane is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed to confirm identity, assay, and impurity profiles. Certificates of Analysis (COA) documenting these results are provided and available upon request to support your quality assurance processes.

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). This material is hygroscopic (moisture-sensitive) and should be handled under a dry atmosphere to prevent hydrolysis and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~0.98 g/mL
Refractive Index (n20/D)	~1.485

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