Description

Methoxymethylsilane is a versatile organosilicon compound that serves as a key building block in advanced material synthesis. Its unique bifunctional structure, featuring both a methoxy and a methylsilane group, makes it an essential precursor for introducing silicon-containing functionalities into polymers and surfaces. This chemical is particularly valuable for manufacturers in the semiconductor, specialty polymer, and surface coating industries seeking to enhance material properties like adhesion, hydrophobicity, and thermal stability.

Application

• Semiconductor Manufacturing: Used as a silicon-containing precursor in chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes for thin-film growth and surface passivation.
• Silicone & Hybrid Polymer Synthesis: Acts as a functional monomer or cross-linking agent for producing modified silicones, silsesquioxanes, and other hybrid organic-inorganic polymers.
• Surface Modification & Coupling Agent: Employed to functionalize inorganic surfaces (e.g., glass, silica, metals) to improve adhesion and compatibility with organic matrices in composites and coatings.
• Pharmaceutical Intermediates: Serves as a protected silane reagent in the synthesis of complex molecules and active pharmaceutical ingredients (APIs).
• Adhesive & Sealant Formulations: Incorporated to enhance moisture-curing characteristics, adhesion promotion, and flexibility in high-performance sealants and adhesives.
• Research & Development: A valuable reagent in organic and organometallic chemistry research for constructing novel silicon-based molecular architectures.

Basic Information

Product Name	Methoxymethylsilane
CAS No.	5624-64-6
Molecular Formula	C2H8OSi
Molecular Weight	76.17 g/mol
Synonyms	Methyl(methoxy)silane; Methoxymethylsilicon hydride; (Methoxymethyl)silane; Silane, methoxymethyl-; Methyl methoxysilane; Methoxy(methyl)silane; Methoxymethylsilane (MMS); Methylmethoxysilane
EINECS	227-060-8

Quality Control

Our Methoxymethylsilane is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including gas chromatography (GC) and nuclear magnetic resonance (NMR) spectroscopy, to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key specifications such as assay, identity, and impurity profiles to meet the exacting requirements of our industrial and research partners.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at temperatures between 2°C and 8°C (refrigerated) to minimize volatility and degradation. Due to its highly volatile and hygroscopic (moisture-sensitive) nature, containers must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening and protected from moisture ingress. Keep away from heat, sparks, open flames, and incompatible materials such as strong oxidizers, acids, and bases.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0 %
Density (at 20°C)	0.76 - 0.78 g/mL
Refractive Index (n20D)	1.365 - 1.375
Water Content (KF)	≤ 0.1 %

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