Description
Silver (Ag) Nanopowder/Nanoparticles
Purity: >99.995% | Particle Size: 30–50 nm | Shape: Spherical | Metal Basis
Silver nanoparticles exhibit exceptional antimicrobial, catalytic, and electronic properties. With ultra-high purity and controlled particle size, these cubic-structured nanoparticles are widely used across medical, industrial, and consumer product sectors.
Technical Properties
| Property | Value |
|---|---|
| Purity (Ag, Metal Basis) | >99.995% |
| Color | Black |
| Shape | Spherical |
| Crystal Structure | Cubic |
| Average Particle Size | 30–50 nm |
| Specific Surface Area | 15.0–18.0 m²/g |
| True Density | 10.6 g/cm³ |
| Melting Point | 961.9 °C |
| Boiling Point | 2212 °C |
| Atomic Weight | 107.87 |
Elemental Analysis
| Element | Content (%) |
|---|---|
| Ag | ≥99.995 |
| Cu | ≤0.010 |
| Fe | ≤0.003 |
| Bi, Pb, Sb | ≤0.002 |
Key Applications
Antibacterial & Disinfectant Use
Effective against a wide range of pathogens including Escherichia coli and Staphylococcus aureus, even at low concentrations (~0.1%). Its antimicrobial performance is stable across pH levels and oxidative environments.
Catalysis
Silver nanoparticles serve as powerful catalysts in reactions such as ethylene oxidation, enhancing both speed and efficiency.
Biological & Medical Research
Used in gene diagnostics, pharmaceutical formulations, and antimicrobial coatings in medical devices and packaging.
Consumer & Industrial Products
Integrated into textiles, plastics, paints, air conditioners, toys, and household appliances for durable antimicrobial performance and corrosion resistance.

