Description

Dodecamethylcyclohexasilane CAS NO 4098-30-0 is a high-purity organosilicon compound characterized by its cyclic hexamer structure. This specialty chemical is a critical precursor and building block in advanced materials science, valued for its ability to introduce silicon-based frameworks with precise molecular architecture. It is primarily utilized by manufacturers and R&D teams in the semiconductor, photoresist, and specialty polymer industries seeking to enhance material properties or develop novel silicon-containing products.

Application

• Semiconductor Manufacturing: As a key precursor for chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes to create silicon carbide (SiC) or silicon carbonitride thin films.
• Photoresist Formulation: Serves as a core component in the development of advanced silicon-based photoresists for extreme ultraviolet (EUV) lithography.
• Polymer & Ceramic Precursor: Used in the synthesis of silicon-based preceramic polymers and as a cross-linking agent or modifier for high-performance silicones and hybrid organic-inorganic materials.
• Nanomaterials Synthesis: Acts as a molecular building block for constructing nanostructured silicon materials, porous silicas, and silicon nanoparticles.
• Surface Modification: Employed to create hydrophobic or specific functional coatings on various substrates.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new organosilicon chemistry and material applications.

Basic Information

Product Name	Dodecamethylcyclohexasilane
CAS No.	4098-30-0
Molecular Formula	C12H36Si6
Molecular Weight	348.94 g/mol
Synonyms	Cyclohexasilane, Dodecamethyl-; Dodecamethylcyclohexasilane; Hexakis(dimethylsilylene); Perhydropolysilazane precursor; Cyclic Hexamer of Dimethylsilanediyl; Cyclohexasilane, hexamethyl- (incorrect but common); Cyclic Si6Me12; Organosilicon cyclic compound
EINECS	223-847-9

Quality Control

Our Dodecamethylcyclohexasilane is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Chloride Content	≤ 50 ppm
Metal Impurities (ICP-MS)	≤ 10 ppm total

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