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.