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: ~500 nm (submicron scale)
- Particle Size Distribution: Confirmed using SEM (Scanning Electron Microscopy) or TEM (Transmission Electron Microscopy)
- Morphology
- Shape: Near-spherical or irregular particles, depending on synthesis method
- Surface Area: Higher than bulk materials but lower than smaller nanoparticles (<100 nm)
- Crystal Structure
- Phase: Tetragonal (β-tin, stable allotrope at room temperature)
- Potential Variations: Slight amorphous content may occur depending on production methods
- Physical and Chemical Properties
- Color: Grayish metallic powder
- Density: Lower than bulk tin due to submicron particle agglomeration
- Melting Point: ~232 °C
- Boiling Point: ~2,602 °C
- Conductivity: Excellent 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 develop with prolonged exposure to air
- Safety and Handling
- Hazards:
- Combustible in powder form if exposed to heat or strong oxidizing agents.
- Tin dust may irritate the respiratory system if inhaled.
- Recommended Protective Measures:
- Use PPE (gloves, goggles, respirators).
- Handle in an inert or controlled environment to minimize risks.
- Hazards:
Applications
- Electronics and Soldering
- Solder Alloys: Tin nanopowder is widely used in soldering materials for electronics due to its excellent wettability and low melting point.
- Conductive Coatings: Employed in the production of conductive inks, pastes, and coatings for flexible electronic components.
- Energy Storage
- Battery Anodes: Tin nanoparticles are researched for high-capacity anodes in lithium-ion batteries, offering better energy storage performance.
- Next-Generation Batteries: Suitable for developing advanced sodium-ion and other energy storage systems.
- Catalysis
- Chemical Catalysts: Tin acts as a catalyst in hydrogenation and organic reactions, providing high efficiency in chemical processes.
- Environmental Catalysis: Effective in pollutant removal and chemical waste processing applications.
- Coatings and Surface Treatments
- Corrosion Resistance: Tin nanopowder is used in coatings to enhance corrosion resistance, especially in industrial and marine environments.
- Reflective Coatings: Applied in mirrors and optical devices to improve reflectivity.
- Nanocomposites
- Reinforcement Materials: Tin nanoparticles improve the electrical, thermal, and mechanical properties of composite materials.
- Lightweight Materials: Suitable for aerospace and automotive applications requiring high-strength, lightweight solutions.
- Additive Manufacturing and 3D Printing
- Printing Powders: Tin nanopowder is compatible with 3D printing technologies for creating intricate and high-performance metal components.
- Biomedical Applications (Experimental)
- Drug Delivery Systems: Studied for its potential use in controlled drug release and targeted delivery.
- Biosensors: Functionalized tin nanoparticles are employed in the detection of biomolecules with high sensitivity.
- Optoelectronics and Sensors
- Infrared Sensors: Tin is used in sensor components for infrared detection systems.
- Thin-Film Applications: Tin nanopowder is explored for use in thin films for optoelectronic devices.