Description

Decamethyltetrasilane is a high-purity organosilicon compound, specifically a linear tetrasilane, valued for its role as a critical precursor in advanced material synthesis. Its significance lies in providing a highly reactive silicon source for depositing high-quality silicon-containing thin films. This product is essential for manufacturers and R&D facilities in the semiconductor, photovoltaic, and specialty glass coating industries seeking precise and reliable chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes.

Application

• Semiconductor Manufacturing: As a silicon precursor for the chemical vapor deposition (CVD) or atomic layer deposition (ALD) of silicon carbide (SiC), silicon nitride (Si3N4), or doped silicon films.
• Photovoltaics & Optoelectronics: Used in the production of thin-film solar cells and optical coatings where high-purity silicon layers are required.
• Protective & Hard Coatings: Serves as a key ingredient for creating ultra-hard, wear-resistant, and anti-corrosive silicon-based coatings on various substrates.
• Polymer & Ceramic Modification: Acts as a cross-linking agent or filler treatment to enhance the thermal and mechanical properties of advanced polymers and ceramics.
• Research & Development: A valuable building block in organometallic chemistry and materials science for synthesizing novel silicon-based polymers and nanostructures.

Basic Information

Product Name	Decamethyltetrasilane
CAS No.	865-76-9
Molecular Formula	C10H30Si4
Molecular Weight	262.72 g/mol
Synonyms	1,1,1,2,2,3,3,4,4,4-Decamethyltetrasilane; Tetrasilane, decamethyl-; Linear Decamethyltetrasilane; Tetrakis(trimethylsilyl)silane; Per-methylated tetrasilane
EINECS	Contact for details

Quality Control

Our Decamethyltetrasilane is manufactured under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) and NMR spectroscopy, to ensure high chemical 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 area at temperatures recommended on the specific product label or Safety Data Sheet (typically 2-8°C or as specified). Due to its hygroscopic and highly volatile nature, containers must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (Karl Fischer)	≤ 0.1%

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