Silane, which has the chemical formula SiH₄, is a monosilicon tetrahydride gas. Its CAS number is indeed 7803-62-5. Silane is an important compound in various industries, especially semiconductor and solar panel manufacturing. Here are some characteristics of silane:
Physical Properties:
Appearance: Colorless gas.
Boiling Point: -111.9 °C.
Melting Point: -185.1 °C.
Density: At standard temperature and pressure (STP), it is lighter than air.
Solubility: Slightly soluble in water and many organic solvents.
Chemical Properties:
Flammability: Highly flammable, burning with a blue flame and forming silicon dioxide and water.
Reactivity: Reactive with oxygen, halogens, and oxidizing agents.
Decomposition: Upon heating, it decomposes into silicon and hydrogen.
Uses:
Semiconductor Industry: Used as a precursor for depositing silicon in the production of semiconductors and solar cells.
Chemical Vapor Deposition (CVD): Used in the CVD process to create thin films of silicon and silicon compounds.
Coatings and Adhesives: Used in the formulation of coatings and adhesives to improve bonding properties.
Nanotechnology: Used in the synthesis of silicon nanoparticles and nanowires.
Safety Considerations:
Toxicity: Inhalation can be toxic and may cause respiratory tract irritation.
Flammability: Due to its high flammability, it poses significant fire and explosion risks.
Handling: Requires special storage conditions, often under inert atmosphere, and strict safety protocols during handling.
When seeking to purchase silane, it's essential to consider factors such as purity requirements, volume needed, and safety considerations. Always ensure compliance with local regulations and safety guidelines when handling this substance, given its hazardous properties. Contacting suppliers directly will provide the most current information regarding availability, pricing, and shipping logistics.
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