Description

Trimethoxy(Methoxymethyl)Silane is a versatile organosilicon compound that serves as a key building block in advanced material synthesis. Its bifunctional structure, featuring both methoxy and methoxymethyl groups, makes it a valuable precursor for introducing specific organic functionalities into inorganic silicon-based matrices. This chemical is essential for manufacturers and R&D teams in the specialty chemicals and advanced materials sectors seeking to modify surface properties or create tailored hybrid polymers. Its reactivity profile enables precise control over material characteristics such as adhesion, hydrophobicity, and cross-linking density.

Application

• Silicone Resin & Polymer Modification: Acts as a functional monomer or cross-linking agent to introduce organic side chains, enhancing flexibility, compatibility, or specific chemical resistance in silicone-based polymers.
• Surface Treatment & Coupling Agent: Used to modify inorganic surfaces (glass, metals, minerals) to improve adhesion of organic coatings, paints, or sealants by forming stable siloxane bonds.
• Synthesis of Specialty Silanes: Serves as a crucial intermediate for the production of more complex, custom organosilicon compounds with targeted properties for niche applications.
• Adhesive & Sealant Formulations: Incorporated to improve moisture-curing characteristics, adhesion to diverse substrates, and the overall durability of the final product.
• Hybrid Organic-Inorganic Materials (ORMOSILs): A key precursor in sol-gel processes for creating optically clear, mechanically robust hybrid coatings, films, and composites.
• Electronics & Semiconductor Precursors: Utilized in the deposition of silicon-containing thin films or as a passivation agent in microelectronics manufacturing.

Basic Information

Product Name	Trimethoxy(Methoxymethyl)Silane
CAS No.	22859-36-5
Molecular Formula	C5H14O4Si
Molecular Weight	166.25 g/mol
Synonyms	(Methoxymethyl)trimethoxysilane; Methoxymethyltrimethoxysilane; Trimethoxy(methoxymethyl)silane; Silane, trimethoxy(methoxymethyl)-; NSC 163083; (Methoxymethoxy)trimethylsilane (common misnomer); Methoxymethyl trimethoxy silane
EINECS	Contact for details

Quality Control

Our Trimethoxy(Methoxymethyl)Silane is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay by GC or titration and impurity profiling, to ensure consistency and high purity suitable for industrial and R&D applications. Certificates of Analysis (COA) documenting key parameters such as purity, identity, and moisture content are provided with every shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C/59-77°F). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under a dry inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and degradation upon contact with atmospheric moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	~1.02 g/cm³
Refractive Index (n20D)	~1.390 - 1.400
Moisture (Karl Fischer)	≤ 0.5%

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