Description

Diiodosilane is a highly reactive silicon halide compound, primarily utilized as a key precursor in advanced materials synthesis. Its value lies in its ability to introduce silicon and iodine functionalities in a single step, enabling precise control in the fabrication of high-purity silicon-based thin films and nanostructures. This product is essential for research and development teams in the semiconductor, photovoltaic, and specialty chemical industries seeking to innovate in electronic and optical materials.

Application

• Chemical Vapor Deposition (CVD) & Atomic Layer Deposition (ALD): A critical silicon source for depositing silicon-containing films, including silicon carbide (SiC) and silicon nitride (Si3N4), on substrates for semiconductor devices.
• Precursor for Silicon Nanomaterials: Used in the synthesis of silicon nanoparticles, nanowires, and quantum dots for next-generation electronics, photonics, and biomedical imaging applications.
• Organic Synthesis & Catalysis: Acts as a versatile reagent for introducing silyl groups or as a catalyst component in specialized organic transformations and polymerizations.
• Doping Agent: Employed in the controlled doping of semiconductor materials to modify their electrical properties.
• Surface Functionalization: Used to modify material surfaces with specific silicon-iodine bonds for improved adhesion, corrosion resistance, or tailored reactivity.
• Research & Development: Serves as a fundamental building block in academic and industrial labs exploring new silicon chemistry and material science frontiers.

Basic Information

Product Name	Diiodosilane
CAS No.	13760-02-6
Molecular Formula	H2I2Si
Molecular Weight	283.91 g/mol
Synonyms	Diodosilane; Silicon diiodide hydride; Silylene diiodide; Iodosilane; Dihydrogendiiodidosilicon; HSii2
EINECS	237-356-8

Quality Control

Our Diiodosilane is manufactured under stringent conditions to ensure high purity and batch-to-batch consistency, suitable for demanding applications in electronics and advanced research. Quality is verified through a comprehensive suite of analytical techniques including NMR, FT-IR, and GC-MS. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming specifications for purity and critical impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids, bases, and oxidizing agents. Due to its hygroscopic and moisture-sensitive nature, containers should be kept sealed under an inert atmosphere (e.g., argon or nitrogen) when not in use. Recommended storage temperature is 2-8°C to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Chloride Content	≤ 0.1%

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