Description

Neopentasilane is a high-purity, volatile organosilicon compound with the CAS number 15947-57-6. This specialty chemical is a critical precursor in advanced materials science, valued for its ability to deposit high-quality silicon-based thin films. It is essential for manufacturers and R&D facilities in the semiconductor, photovoltaics, and nanotechnology sectors seeking to enhance device performance and miniaturization.

Application

• Semiconductor Manufacturing: As a key precursor for Chemical Vapor Deposition (CVD) and Atomic Layer Deposition (ALD) processes to create silicon, silicon carbide, or silicon nitride thin films.
• Photovoltaics: Used in the production of high-efficiency solar cells, including amorphous silicon (a-Si) and silicon heterojunction (SHJ) technologies.
• Optoelectronics: Enables the fabrication of advanced optical coatings and waveguides for integrated photonic circuits.
• Nanotechnology Research: Serves as a fundamental building block for synthesizing silicon nanoparticles, nanowires, and other nanostructures.
• Protective Coatings: Used to deposit ultra-hard, chemically resistant silicon-based coatings on various substrates.
• Specialty Polymers: Acts as a monomer or cross-linking agent in the synthesis of novel polysilane polymers with unique electronic properties.

Basic Information

Product Name	Neopentasilane
CAS No.	15947-57-6
Molecular Formula	Si5H12
Molecular Weight	152.52 g/mol
Synonyms	Perhydropentasilane; Cyclopentasilane; Pentasilane; Si5H12; 1,1,2,2,3,3,4,4,5,5-Decahydrocyclopentasilane; Decahydrocyclopentasilane; Hydrogen-terminated pentasilane
EINECS	Contact for details

Quality Control

Our Neopentasilane is produced under stringent conditions to ensure exceptional purity and batch-to-batch consistency, critical for sensitive electronic applications. Each lot undergoes comprehensive analysis using advanced techniques including GC-MS, NMR, and ICP-MS to verify identity, potency, and trace metal content. 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. Store under an inert atmosphere (e.g., nitrogen or argon) at temperatures between 2°C and 8°C to minimize volatility and oxidation. The container should be kept in a cool, dry, well-ventilated area away from heat, ignition sources, and incompatible materials. Allow the container to reach ambient temperature before opening to prevent moisture condensation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Purity (GC Area%)	≥ 99.0%
Major Related Substances (GC)	≤ 1.0% (total)
Water Content (KF)	≤ 50 ppm
Trace Metals (ICP-MS)	≤ 1 ppm (each)

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