Description

1,2-Dichloro-1-Methyldisilane CAS NO 35558-57-7 is a specialized organosilicon compound featuring a disilane backbone with chlorine and methyl substituents. This structure makes it a valuable precursor in the synthesis of advanced silicon-based materials, offering controlled reactivity for precise chemical modifications. It is primarily utilized by researchers and manufacturers in the semiconductor, photovoltaics, and specialty chemical industries for applications requiring high-purity silicon deposition and surface functionalization.

Application

• Chemical Vapor Deposition (CVD) and Atomic Layer Deposition (ALD): A key precursor for depositing silicon-containing thin films in semiconductor and microelectronics fabrication.
• Photovoltaics: Used in the development and production of advanced silicon-based solar cell materials.
• Polymer and Material Science: Serves as a building block for synthesizing novel polysilanes, silsesquioxanes, and other silicon-based polymers with tailored properties.
• Surface Modification: Employed to functionalize surfaces with specific silicon-organic groups for improved adhesion, hydrophobicity, or chemical resistance.
• Research & Development: A crucial reagent in academic and industrial R&D for exploring new organosilicon chemistry and materials.
• Specialty Chemical Synthesis: An intermediate in the production of more complex organosilicon compounds used in electronics, coatings, and advanced composites.

Basic Information

Product Name	1,2-Dichloro-1-Methyldisilane
CAS No.	35558-57-7
Molecular Formula	C1H6Cl2Si2
Molecular Weight	157.14 g/mol
Synonyms	Methyldichlorodisilane; 1-Methyl-1,2-dichlorodisilane; Dichloro(methyl)disilane; Disilane, 1,2-dichloro-1-methyl-; 1,2-Dichloro-1-methyl-disilan; Methyl dichlorodisilane; (Chloromethylchlorosilyl)silane
EINECS	Contact for details

Quality Control

Our 1,2-Dichloro-1-Methyldisilane is produced and handled under stringent quality management protocols to ensure batch-to-batch consistency and high purity, critical for sensitive applications like semiconductor manufacturing. We employ advanced analytical techniques including GC, GC-MS, and NMR for comprehensive characterization. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at temperatures recommended for highly volatile and moisture-sensitive compounds. Due to its hygroscopic and highly volatile nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) and away from moisture, heat, and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Density (at 20°C)	~1.15 g/cm³
Boiling Point	~110-115°C

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