Description

Chlorodimethoxymethylsilane is a versatile organosilicon compound that serves as a key intermediate in the synthesis of functional silanes and silicone polymers. Its bifunctional nature, featuring both a reactive chlorosilane group and methoxy substituents, makes it a valuable building block for introducing specific properties into materials. This chemical is essential for manufacturers in the silicone, pharmaceutical, and advanced materials sectors seeking to develop products with tailored surface characteristics, adhesion, or cross-linking capabilities.

Application

• Silicone Resin & Polymer Modification: Used as a cross-linking agent or co-monomer to enhance the thermal stability and mechanical properties of silicone-based materials.
• Surface Treatment & Coupling Agent: Functions as a primer or adhesion promoter for coatings, sealants, and composites on glass, metal, or mineral surfaces.
• Pharmaceutical Intermediate: Employed in the synthesis of organosilicon-containing active pharmaceutical ingredients (APIs) or prodrugs.
• Hydrophobic Coatings: A key precursor for creating water-repellent and anti-corrosive surface treatments.
• Silylating Agent: Used to protect reactive functional groups (like -OH) in complex organic synthesis, particularly in fine chemical production.
• Rubber & Tire Industry: Acts as a coupling agent in silica-filled rubber compounds to improve reinforcement and reduce rolling resistance.
• Electronics & Semiconductor: Utilized in the deposition of silicon-containing thin films or as a precursor in chemical vapor deposition (CVD) processes.
• Adhesive & Sealant Formulation: Enhances moisture-cure properties and adhesion strength in one-part RTV (Room Temperature Vulcanizing) silicone products.

Basic Information

Product Name	Chlorodimethoxymethylsilane
CAS No.	994-07-0
Molecular Formula	C3H9ClO2Si
Molecular Weight	140.64 g/mol
Synonyms	Methylchlorodimethoxysilane; Dimethoxymethylchlorosilane; Chloro(dimethoxy)methylsilane; Methyldimethoxychlorosilane; (Chlorodimethoxysilyl)methane; Dimethoxymethylsilyl chloride; Silane, chlorodimethoxymethyl-; NSC 163040
EINECS	213-607-8

Quality Control

Our Chlorodimethoxymethylsilane is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including Gas Chromatography (GC) for assay and impurity profiling, to meet exacting customer specifications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed-upon standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic and moisture-sensitive nature, containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases, acids, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Density (20°C)	1.07 - 1.09 g/cm³
Refractive Index (n20D)	1.395 - 1.405
Chloride Content	Contact for details
Water Content (KF)	≤ 0.1%

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