Description

1,1-Dichlorodisilane is a highly reactive organosilicon compound primarily used as a key precursor in advanced material synthesis. Its value lies in its ability to introduce silicon and chlorine functionalities, enabling precise control over material properties in high-tech manufacturing. This chemical is essential for researchers and industrial producers in the semiconductor, photovoltaic, and specialty chemical sectors who require high-purity intermediates for thin-film deposition and surface modification processes.

Application

• Chemical Vapor Deposition (CVD) and Atomic Layer Deposition (ALD): A critical silicon source for depositing silicon carbide (SiC), silicon nitride (Si3N4), and other silicon-containing thin films on semiconductor wafers.
• Semiconductor Manufacturing: Used in the production of advanced microelectronic components and insulating layers.
• Photovoltaics: Serves as a precursor for silicon-based anti-reflective and passivation coatings on solar cells to improve efficiency.
• Specialty Polymer Synthesis: Acts as a monomer or cross-linking agent for creating polysilanes and other silicon-based polymers with unique thermal and optical properties.
• Surface Functionalization: Employed to modify material surfaces with chlorosilyl groups for improved adhesion or to create specific reactive sites.
• Research & Development: A valuable building block in organometallic chemistry and materials science research for developing new silicon-based compounds.

Basic Information

Product Name	1,1-Dichlorodisilane
CAS No.	20424-84-4
Molecular Formula	Cl2H6Si2
Molecular Weight	129.15 g/mol
Synonyms	Disilane, 1,1-dichloro-; Dichlorodisilane; 1,1-Dichlorodisilane; Dichlorodisilane (Si-Si); Hexahydro-1,1-dichlorodisilane; 1,1-Dichloro-disilan; Dichlorodisilane (H3Si-SiCl2H); Silicon precursor SiH3SiCl2H
EINECS	Contact for details

Quality Control

Our 1,1-Dichlorodisilane is produced and handled under stringent conditions to ensure batch-to-batch consistency and high purity, critical for sensitive electronic applications. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing purity, impurity profiles, and physical characteristics. We adhere to rigorous internal quality standards to meet the demanding specifications of the semiconductor and advanced materials industries.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile and hygroscopic (moisture-sensitive) nature, this product must be stored under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended storage temperature is between 2°C and 8°C to minimize volatility and degradation. Keep away from heat, sparks, open flames, and incompatible materials such as strong oxidizers, acids, and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Chlorosilane Impurities (GC)	≤ 1.5%
Non-volatile Residue	≤ 0.1%

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