Technical Specifications
- Product Name: Sulfur Nanopowder
- Chemical Formula: S
- CAS Number: 7704-34-9
- Structure: Orthorhombic
- Purity
- Grade: 99.99% (high-purity level)
- Impurities: ≤0.01% (trace levels of other elements or compounds)
- Particle Size
- Range: ~30 nm
- Particle Size Distribution: Confirmed via SEM (Scanning Electron Microscopy) or TEM (Transmission Electron Microscopy)
- Morphology
- Shape: Near-spherical or irregular nanoscale particles
- Surface Area: High due to nanoscale dimensions, enhancing reactivity
- Crystal Structure
- Phase: Orthorhombic (α-sulfur, the most stable allotrope at room temperature)
- Variations: Other sulfur allotropes may form under specific conditions, though orthorhombic is dominant.
- Physical and Chemical Properties
- Color: Pale yellow powder
- Density: ~2.07 g/cm³
- Melting Point: ~115 °C
- Boiling Point: ~444 °C
- Reactivity: Sulfur is highly reactive, particularly in the nanoscale, and forms sulfides with many metals.
- Packaging and Storage
- Standard Packaging: Sealed in airtight containers under inert gas (e.g., argon) to prevent oxidation and contamination
- Storage Conditions: Store in a cool, dry place; protect from moisture, air, and heat sources
- Shelf Life: Stable when properly stored; avoid prolonged exposure to environmental conditions to maintain purity
- Safety and Handling
- Hazards:
- Sulfur is combustible; finely divided sulfur can pose a dust explosion hazard in air.
- Prolonged exposure to sulfur dust may irritate the respiratory system.
- Recommended Protective Measures:
- Use PPE (e.g., gloves, goggles, respirators).
- Ensure good ventilation during handling to prevent accumulation of dust.
- Hazards:
Applications
- Energy Storage
- Lithium-Sulfur Batteries: Sulfur nanomaterials are critical for high-capacity cathodes in next-generation lithium-sulfur batteries, offering significantly higher energy density compared to traditional batteries.
- Energy Systems: Suitable for hybrid applications requiring sulfur-based energy storage materials.
- Chemical Industry
- Sulfur Compounds: Used as a precursor in the production of sulfides, sulfonic acids, and other sulfur-based chemicals.
- Catalysis: Sulfur nanoparticles act as a catalyst or catalyst support in various organic and inorganic reactions.
- Agriculture
- Fertilizers and Fungicides: Sulfur nanoparticles are used as an additive in fertilizers to improve crop yields and as a fungicide to control fungal diseases.
- Soil Amendments: Enhances sulfur content in deficient soils, contributing to plant health.
- Environmental Applications
- Desulfurization: Applied in processes for removing sulfur compounds from fuels and gases to reduce pollution.
- Pollutant Removal: Effective in capturing heavy metals and contaminants in water treatment processes.
- Nanocomposites
- Reinforced Materials: Sulfur nanoparticles are integrated into polymers and composites to improve thermal and chemical resistance.
- Advanced Coatings: Contributes to the development of anti-corrosion and high-performance surface treatments.
- Biomedical Applications (Exploratory)
- Drug Delivery Systems: Sulfur nanoparticles are studied for targeted drug delivery and controlled release mechanisms.
- Antimicrobial Agents: Exhibits potential in developing antimicrobial coatings and treatments.
- Research and Development
- Material Science: Widely used in research to study sulfur’s unique nanoscale properties and reactivity.
- Prototype Development: Ideal for experimental applications in batteries, coatings, and catalysis.