
Silicon Oxide Nanoparticles / Nanopowder (SiO2, 20-30nm, purity 99.5%)
₹1475.00
Silicon Dioxide Nanoparticles / Nanopowder (SiO₂, 20–30 nm, Purity 99.5%)
Technical Specifications
Property  | Specification  | 
|---|---|
Chemical Name  | Silicon Dioxide (SiO₂)  | 
CAS Number  | 7631-86-9  | 
Molecular Weight  | 60.08 g/mol  | 
Purity  | ≥ 99.5%  | 
Appearance / Color  | White Fine Powder  | 
Particle Size (Average)  | 20–30 nm  | 
Morphology  | Nearly Spherical / Agglomerated Nanoparticles  | 
Specific Surface Area (BET)  | 150–200 m²/g  | 
Density  | 2.2 g/cm³  | 
Melting Point  | 1710 °C  | 
Boiling Point  | Sublimes above 2230 °C  | 
Solubility  | Insoluble in water; soluble in hydrofluoric acid  | 
pH (in aqueous suspension)  | ~5–7  | 
Stability  | Chemically stable; non-hygroscopic under normal conditions  | 
Key Features
High Purity (≥ 99.5%) ensures excellent chemical and physical performance.
Ultrafine Nanoparticle Size (20–30 nm): Provides very high surface area and reactivity.
Spherical Morphology: Promotes uniform dispersion in polymers, liquids, and composites.
White Fine Powder: Easy to handle, mix, and process.
High Surface Reactivity: Silanol groups allow for chemical modification and functionalization.
Thermally Stable: Suitable for high-temperature and electronic applications.
Applications
1. Reinforcing Agent:
Enhances mechanical strength, viscosity, and thermal stability in polymers, silicones, and composites.
2. Electronics & Coatings:
Used in thin films, dielectric coatings, and conductive inks.
Provides scratch resistance and UV stability.
3. Pharmaceuticals & Cosmetics:
Acts as an anti-caking agent, flow enhancer, and thickener in powders, tablets, and cosmetic products.
4. Nanotechnology & Research:
Used in the preparation of nanocomposites, sensors, and advanced material studies.
5. Environmental Applications:
Functions as an adsorbent, carrier material, and catalyst support.
6. Optical Applications:
Applied in optical glasses, lenses, and light-scattering materials.
