Description

Silicon Tetrabloromide is a high-purity inorganic halide compound, primarily used as a versatile reagent in advanced material synthesis and semiconductor manufacturing. Its core value lies in its role as a critical silicon source and brominating agent for producing specialized silicon-based materials and fine chemicals. This product is essential for R&D laboratories and industrial-scale production facilities in the electronics, pharmaceutical, and specialty chemical sectors.

Application

• Semiconductor Precursor: Used in chemical vapor deposition (CVD) and atomic layer deposition (ALD) processes for depositing silicon-containing thin films.
• Organic Synthesis Reagent: Acts as a potent brominating and silylating agent in the synthesis of complex organic molecules and pharmaceutical intermediates.
• Inorganic Material Synthesis: Serves as a key starting material for the production of other silicon halides and high-purity silicon compounds.
• Photovoltaic Research: Employed in the development of novel silicon-based materials for next-generation solar cells and optoelectronic devices.
• Catalyst Preparation: Used in the formulation of specialized catalysts for petrochemical and polymerization processes.
• Laboratory Research: A fundamental reagent for academic and industrial research in inorganic and organometallic chemistry.

Basic Information

Product Name	Silicon Tetrabromide
CAS No.	7789-66-4
Molecular Formula	SiBr4
Molecular Weight	347.70 g/mol
Synonyms	Tetrabromosilane; Silicon(IV) bromide; Silane, tetrabromo-; Perbromosilane; Silicon bromide; Silicon tetrabromide (SiBr4); STB
EINECS	232-182-4

Quality Control

Our Silicon Tetrabromide is manufactured under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay by titration and impurity profiling, to meet the exacting standards required for electronic and synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic and highly volatile nature, store in a cool, dry, well-ventilated area under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and decomposition. Recommended storage temperature is 2-8°C. Keep away from heat, open flames, and incompatible materials such as strong bases and active metals.

Specification

Item	Specification
Appearance	Colorless to pale yellow fuming liquid
Identification (IR)	Conforms
Assay (SiBr4)	≥ 99.0%
Free Bromine (Br2)	≤ 0.5%
Silicon Tetrachloride (SiCl4)	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Water Content (Karl Fischer)	≤ 0.1%

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