Description

Octachlorotrisilane is a highly reactive chlorosilane compound, primarily utilized as a key precursor in advanced materials synthesis. Its value lies in its ability to introduce silicon and chlorine functionalities, serving as a critical building block for silicon-based polymers and ceramics. This chemical is essential for manufacturers and R&D facilities in the semiconductor, specialty chemical, and advanced materials industries.

Application

• Semiconductor Manufacturing: As a silicon source for chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes to create thin films and silicon nitride layers.
• Silicon Polymer Synthesis: A fundamental monomer or intermediate in the production of polysilanes, carbosilanes, and other specialty silicon-based polymers.
• Ceramic Precursor: Used in the synthesis of silicon carbide (SiC) or silicon nitride (Si3N4) ceramics through polymer-derived ceramic (PDC) routes.
• Surface Modification: Employed to functionalize surfaces with chlorosilyl groups for subsequent chemical grafting or to alter surface properties.
• Research & Development: Serves as a versatile reagent in organometallic chemistry and materials science research for developing new silicon-containing compounds.

Basic Information

Product Name	Octachlorotrisilane
CAS No.	13596-23-1
Molecular Formula	Cl8Si3
Molecular Weight	398.78 g/mol
Synonyms	Trisilane, octachloro-; Silicon chloride (Si3Cl8); Octachlorotrisilicon; Trisilicon octachloride; Perchlorotrisilane; Chlorosilane Si3Cl8; Hexachlorodisilanyl dichlorosilane
EINECS	237-052-9

Quality Control

Our Octachlorotrisilane is produced and handled under stringent quality management protocols. Each batch undergoes comprehensive analysis to ensure high purity and consistency, with key parameters verified by techniques including GC, NMR, and titration. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee it meets your specific application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area, away from heat and incompatible materials. Due to its hygroscopic and highly volatile nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and decomposition. Recommended storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Chloride Content	≥ 70.0%
Density (at 20°C)	~1.58 g/cm³
Boiling Point	~210°C

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