Description

(Trimethylsilylmethyl)Dimethylchloromethylsilane is a highly reactive organosilicon compound featuring both chloromethyl and silylmethyl functional groups. This dual functionality makes it a versatile and valuable building block for synthesizing complex silane derivatives and silicon-containing polymers. It is essential for researchers and manufacturers in advanced materials and specialty chemical sectors who require precise molecular architecture. The compound, with CAS number 18306-73-5, is particularly sought after for creating tailored surface modifiers and cross-linking agents.

Application

• Silylating Agent: Used to introduce the trimethylsilylmethyl group into organic molecules, protecting alcohols or modifying reactivity.
• Polymer & Resin Modification: Serves as a key monomer or cross-linker in the synthesis of specialty silicones and hybrid organic-inorganic polymers.
• Surface Functionalization: Applied to modify the surface properties of silica, glass, or metals to alter wettability, adhesion, or compatibility.
• Pharmaceutical Intermediates: Employed in the multi-step synthesis of complex drug molecules requiring silicon-based functional groups.
• Adhesive & Sealant Formulations: Acts as an adhesion promoter and moisture-cure component in high-performance silicone-based systems.
• Lithography & Semiconductor Materials: Used in the development of silicon-containing photoresists and thin-film precursors for microelectronics.

Basic Information

Product Name	(Trimethylsilylmethyl)Dimethylchloromethylsilane
CAS No.	18306-73-5
Molecular Formula	C7H19ClSi2
Molecular Weight	194.86 g/mol
Synonyms	Chloromethyl(dimethyl)[(trimethylsilyl)methyl]silane; Dimethyl[(trimethylsilyl)methyl]chloromethylsilane; (Chloromethyl)dimethyl[(trimethylsilyl)methyl]silane; (Trimethylsilylmethyl)dimethylchlorosilane; Silane, chloromethyl(dimethyl)[(trimethylsilyl)methyl]-; TMSM-DMCS
EINECS	Contact for details

Quality Control

Every batch of (Trimethylsilylmethyl)Dimethylchloromethylsilane is produced and tested under stringent quality management protocols to ensure consistency and reliability. Our products undergo rigorous analytical testing, including GC, NMR, and Karl Fischer titration, to verify identity, purity, and critical parameters like moisture content. Certificates of Analysis (COA) detailing all test results are available upon request to support your quality assurance and regulatory compliance needs.

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 highly volatile and hygroscopic nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and decomposition. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	~0.90 g/mL
Refractive Index (n20D)	~1.440

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