Description

Pentachlorodisilane is a highly reactive chlorosilane compound with the molecular formula Si2Cl5. This specialty chemical serves as a critical precursor in advanced material synthesis, offering a unique silicon-chlorine backbone for precise molecular engineering. It is essential for manufacturers and R&D facilities in the semiconductor, photovoltaic, and specialty chemical industries seeking to develop high-performance silicon-based materials.

Application

• Semiconductor Manufacturing: Key precursor for chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes to deposit high-purity silicon-containing thin films.
• Photovoltaics: Used in the production of advanced silicon-based solar cell materials and coatings to enhance efficiency.
• Specialty Polymers & Ceramics: Serves as a building block for synthesizing novel polysilanes, silicon carbide (SiC), and silicon nitride (Si3N4) precursors.
• Surface Modification: Employed as a silylating agent to modify surface properties of glass, metals, and oxides for improved adhesion or hydrophobicity.
• Organic Synthesis: Acts as a versatile reagent for introducing silicon functionalities into complex organic molecules in pharmaceutical and agrochemical research.
• Nanomaterial Synthesis: Utilized in the bottom-up synthesis of silicon nanoparticles and nanowires for electronic and optoelectronic devices.

Basic Information

Product Name	Pentachlorodisilane
CAS No.	31411-98-0
Molecular Formula	Si2Cl5
Molecular Weight	220.94 g/mol
Synonyms	Disilane, pentachloro-; Dichlorosilyltrichlorosilane; Silicon chloride (Si2Cl5); Pentachlorodisilicon; Trichloro(dichlorosilyl)silane; 1,1,2,2,2-Pentachlorodisilane
EINECS	Contact for details

Quality Control

Our Pentachlorodisilane is produced and handled under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay by GC or titration and impurity profiling, to ensure it meets exacting standards for high-purity applications. A Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with every shipment to guarantee traceability and consistency.

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 (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Chlorosilane Impurities (GC)	≤ 1.5%
Silicon Tetrachloride	≤ 0.5%
Non-volatile Residue	≤ 0.1%

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