Description

Methyltriphenoxysilane is a versatile organosilicon compound widely used as a key intermediate in the synthesis of advanced materials. Its primary value lies in its ability to act as a coupling agent and a precursor for modifying surface properties and polymer structures. This chemical is essential for manufacturers and R&D teams in the silicone polymer, resin modification, and specialty chemical industries seeking to enhance material performance.

Application

• Silicone Resin & Polymer Modification: Acts as a cross-linking agent or chain terminator in the production of heat-resistant and high-performance silicone resins.
• Surface Treatment Agent: Used to modify the surface properties of inorganic fillers (like silica) to improve compatibility and dispersion in organic polymer matrices.
• Adhesive & Sealant Formulations: Serves as an adhesion promoter and moisture scavenger in high-performance silicone-based adhesives and sealants.
• Intermediate for Specialty Silanes: A crucial building block for the synthesis of more complex functional organosilanes and siloxanes.
• Lubricant & Release Agent Production: Employed in the manufacture of specialty silicone lubricants and mold release agents.
• Electronic Encapsulants: Used in formulations for potting and encapsulating electronic components due to its stability and dielectric properties.
• Research & Development: A valuable reagent in organic and polymer chemistry research for introducing phenoxy-functional silane groups.

Basic Information

Product Name	Methyltriphenoxysilane
CAS No.	3439-97-2
Molecular Formula	C19H18O3Si
Molecular Weight	322.43 g/mol
Synonyms	Methyltriphenoxysilane; Methyl tris(phenoxy)silane; Silane, methyltriphenoxy-; Methyltri(phenoxy)silane; Tris(phenoxy)methylsilane; Phenoxymethylsilane; (Phenoxy)methylsilane; Methyl silicon triphenoxide
EINECS	222-349-4

Quality Control

Our Methyltriphenoxysilane is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including assay and impurity profile analysis, to ensure it meets the high standards required for industrial and research applications. A Certificate of Analysis (COA) detailing purity, identity, and specific test results is provided with every shipment to guarantee traceability and consistency.

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 to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~1.10 g/cm³
Refractive Index (n20/D)	~1.550

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