Description

Silicon (IV) Iodide is a high-purity inorganic compound with the chemical formula SiI4. This material is a critical precursor in advanced materials synthesis, valued for its role in depositing high-quality silicon-containing thin films. It is essential for manufacturers and research institutions in the semiconductor, photovoltaic, and specialty chemical industries seeking reliable, high-grade raw materials for precision applications.

Application

• Chemical Vapor Deposition (CVD): A key precursor for depositing silicon and silicon nitride thin films in semiconductor and optical device fabrication.
• Photovoltaics Research: Used in the development of next-generation solar cells and photovoltaic materials.
• Organic Synthesis: Serves as a potent iodination and silylation reagent in the synthesis of complex organic and organosilicon compounds.
• Materials Science: Employed in the production of specialty glasses, ceramics, and other advanced inorganic materials.
• Laboratory Research: A fundamental reagent for academic and industrial R&D in inorganic and solid-state chemistry.

Basic Information

Product Name	Silicon (IV) Iodide
CAS No.	13465-84-4
Molecular Formula	SiI4
Molecular Weight	535.70 g/mol
Synonyms	Tetraiodosilane; Silicon tetraiodide; Silane, tetraiodo-; Silicon iodide (SiI4); Tetraiodosilicon; Per-iodosilane; Iodine silicide
EINECS	236-706-2

Quality Control

Our Silicon (IV) Iodide is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay and impurity profile analysis. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., argon or nitrogen) to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystals or powder
Identification (IR)	Conforms
Assay (SiI4)	≥ 98.0 %
Water (Karl Fischer)	≤ 0.5 %

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