Description

Cyclohexasilane CAS NO 291-59-8 is a high-purity, cyclic organosilicon compound that serves as a critical precursor in advanced materials synthesis. Its unique silicon-silicon bonded ring structure makes it a valuable building block for creating novel silicon-based polymers and thin-film semiconductors. This product is essential for researchers and manufacturers in the electronics, photovoltaics, and specialty polymer industries seeking to develop next-generation materials with tailored electronic and optical properties.

Application

• Semiconductor & Photovoltaic Manufacturing: As a key precursor for chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes to produce silicon carbide (SiC) or silicon-rich thin films for solar cells and microelectronics.
• Polymer & Material Science R&D: Serving as a monomer or cross-linking agent for synthesizing novel polysilane and polycarbosilane polymers with unique thermal, mechanical, or conductive properties.
• Ceramic Precursor Production: Used in the formulation of preceramic polymers that are pyrolyzed to yield high-purity silicon carbide or silicon nitride ceramics and fibers.
• Lithium-Ion Battery Technology: Investigated for use in developing silicon-based anode materials to enhance battery capacity and performance.
• Optoelectronics: Potential application in the development of light-emitting diodes (LEDs) and other optoelectronic devices utilizing silicon-based nanomaterials.
• Catalysis & Organic Synthesis: Acting as a reagent or catalyst support in specialized organic transformations and heterogeneous catalysis.

Basic Information

Product Name	Cyclohexasilane
CAS No.	291-59-8
Molecular Formula	Si6H12
Molecular Weight	180.71 g/mol
Synonyms	Cyclohexasilane; Perhydridocyclohexasilane; Cyclohexasilicon dodecahydride; Cyclohexasilicon hydride; Dodecahydrocyclohexasilane; Hexasilabicyclo[3.1.0]hexane (isomer); Cyclic Hexasilane; Si6H12
EINECS	206-036-9

Quality Control

Our Cyclohexasilane is manufactured under stringent quality control protocols to ensure batch-to-batch consistency and high purity for demanding applications. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to cGMP principles where applicable, and our quality system is designed to meet the rigorous standards required for electronic and advanced material grades.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area, away from heat and ignition sources. Due to its highly volatile and easily oxidized nature, the container must be kept sealed and handled with appropriate precautions to prevent exposure to air and moisture. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 95.0%
Purity (GC Area %)	≥ 98.0%
Cyclopentasilane (GC)	≤ 1.5%
Higher Cyclosilanes (GC)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines
Water Content (KF)	≤ 100 ppm

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