Description

[(Methylsilyl)Methyl]Dimethylsilane CAS NO 18148-13-5 is a specialized organosilicon compound featuring a unique methylsilylmethyl functional group attached to a dimethylsilane core. This structure is significant for its role as a versatile building block and precursor in advanced material synthesis, particularly for introducing specific silicon-containing moieties. It is primarily needed by R&D chemists and process engineers in the semiconductor, specialty polymer, and surface coating industries for developing novel silicones, modifying surfaces, and creating tailored silicon-based intermediates.

Application

• Semiconductor Manufacturing: Used as a precursor in chemical vapor deposition (CVD) or atomic layer deposition (ALD) processes for depositing silicon-containing thin films.
• Silicone Polymer Synthesis: Serves as a functional monomer or cross-linking agent for creating novel polysiloxanes with specific chain architectures and properties.
• Surface Modification: Employed to functionalize inorganic or organic material surfaces, imparting hydrophobic, release, or adhesion-promoting characteristics.
• Intermediate for Organometallic Chemistry: Acts as a key reagent in the synthesis of more complex organosilicon compounds and catalysts.
• Adhesive & Sealant Formulations: Incorporated to modify the cure profile, flexibility, or thermal stability of high-performance silicone-based adhesives and sealants.
• Research & Development: Essential for academic and industrial research exploring new silicon chemistry, material properties, and catalytic applications.

Basic Information

Product Name	[(Methylsilyl)Methyl]Dimethylsilane
CAS No.	18148-13-5
Molecular Formula	C5H16Si2
Molecular Weight	132.35 g/mol
Synonyms	Dimethyl[(methylsilyl)methyl]silane; (Methylsilylmethyl)dimethylsilane; Silane, dimethyl[(methylsilyl)methyl]-; 1,1,3,3-Tetramethyldisiloxane? (Common mis-association, verify structure); Disilanylpropane (structural descriptor); Contact for additional trade names and aliases.
EINECS	Contact for details

Quality Control

Our [(Methylsilyl)Methyl]Dimethylsilane is produced and handled under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC, NMR, and Karl Fischer titration, to ensure high purity and consistency suitable for demanding industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile nature, store in a cool, well-ventilated place, ideally at temperatures between 2°C and 8°C (refrigerated) or as specified on the label. Keep away from heat, sparks, open flames, and oxidizing agents. Use under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation and moisture uptake.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.1%

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