Technical Specifications
- Product Name: Tin Nanopowder
- Chemical Formula: Sn
- CAS Number: 7440-31-5
- Purity
- Grade: 99.9% (metal basis)
- Impurities: ≤0.1% (trace levels of oxides or other metallic/non-metallic elements)
- Particle Size
- Range: 60–80 nm
- Particle Size Distribution: Uniformly distributed, confirmed through SEM (Scanning Electron Microscopy) or TEM (Transmission Electron Microscopy)
- Morphology
- Shape: Near-spherical or irregular particles, depending on the synthesis method
- Surface Area: High surface area due to nanoscale size
- Crystal Structure
- Phase: Tetragonal (β-tin, the stable allotrope at room temperature)
- Potential Variations: Minor amorphous phases may exist depending on synthesis conditions
- Physical and Chemical Properties
- Color: Grayish metallic powder
- Density: Bulk density is lower than solid tin due to particle agglomeration
- Melting Point: ~232 °C
- Boiling Point: ~2,602 °C
- Conductivity: High electrical and thermal conductivity
- Packaging and Storage
- Standard Packaging: Sealed in airtight containers under inert gas (e.g., argon) or vacuum-sealed to prevent oxidation
- Storage Conditions: Store in a cool, dry environment; protect from air and moisture to minimize oxidation
- Shelf Life: Stable under proper storage conditions; surface oxidation may occur with prolonged exposure to air
- Safety and Handling
- Hazards:
- Finely divided tin powder can be combustible under certain conditions.
- Inhalation of tin dust may irritate the respiratory tract.
- Recommended Protective Measures:
- Use appropriate PPE (gloves, goggles, and respirators).
- Handle in a controlled or inert environment to prevent oxidation or ignition.
- Hazards:
Applications
- Electronics and Soldering
- Conductive Coatings: Tin nanoparticles are widely used in conductive inks, pastes, and coatings for flexible electronics.
- Soldering Materials: Due to its low melting point, tin is essential in solder alloys for microelectronics and PCBs.
- Energy Storage
- Battery Anodes: Tin nanoparticles are being researched as high-capacity anode materials for lithium-ion batteries, offering better performance than traditional graphite anodes.
- Advanced Batteries: Utilized in next-generation energy storage solutions, such as sodium-ion batteries.
- Catalysis
- Chemical Catalysis: Tin nanoparticles act as catalysts in organic and inorganic reactions, particularly in hydrogenation and reduction reactions.
- Environmental Catalysis: Effective in removing pollutants or processing chemical waste.
- Coatings and Surface Treatments
- Protective Coatings: Tin nanopowder is used to create wear-resistant, corrosion-resistant, and reflective coatings.
- Thermal Coatings: Improves heat resistance and thermal stability in high-temperature environments.
- Nanocomposites
- Reinforced Materials: Tin nanoparticles enhance the electrical, thermal, and mechanical properties of composite materials.
- Lightweight Components: Used in aerospace and automotive applications for creating high-performance materials.
- Additive Manufacturing and 3D Printing
- Advanced Printing Powders: Tin nanopowders are compatible with additive manufacturing processes, allowing the production of intricate and high-performance components.
- Biomedical Applications (Experimental)
- Drug Delivery: Tin nanoparticles are being explored for targeted drug delivery systems and nanomedicine.
- Biosensors: Functionalized tin nanoparticles can be used in biosensors for detecting biological molecules with high sensitivity.
- Optoelectronics and Sensors
- Infrared Sensors: Tin’s properties make it suitable for infrared sensor components.
- Optical Applications: Nanoscale tin can be used in photonic and optoelectronic devices, including thin-film technologies.