Description
Chromium Oxide (Cr₂O₃) Nanopowder / Nanoparticles – 99.5+%, 55 nm, Hexagonal
Product Description
Chromium Oxide (Cr₂O₃) Nanopowder is a high-purity, fine particulate material with a purity of 99.5+% and an average particle size of 55 nm. This hexagonal-phase nanomaterial is characterized by its nearly spherical morphology, uniform particle size distribution, and stable chemical nature. Known for its excellent stability and vibrant green pigment properties, Cr₂O₃ nanoparticles are widely utilized in paints, coatings, ceramics, refractories, magnetic materials, and polishing compounds.
With its high specific surface area (15 m²/g) and nanoscale particle size, Chromium Oxide exhibits enhanced reactivity, making it suitable for advanced catalysts, optical applications, and high-performance composite materials.
Technical Specifications
| Property | Value |
|---|---|
| Purity (%) | 99.5+ |
| Average Particle Size (nm) | 55 |
| Morphology | Nearly spherical |
| Specific Surface Area (m²/g) | 15 |
| Bulk Density (g/cm³) | 0.95 |
| True Density (g/cm³) | 5.3 |
Elemental Analysis (%)
| Element | Content |
|---|---|
| Na | 0.05 |
| Ca | 0.01 |
| Fe | 0.002 |
| Mn | 0.001 |
| K | 0.003 |
Certificate of Analysis – Elemental Content (ppm)
| Element | Content (ppm) |
|---|---|
| Mn | 11 |
| Na | 450 |
| Ca | 380 |
| Sr | 12 |
| Ni | 38 |
| Fe | 121 |
| K | 25 |
| Mg | 12 |
| Al | 28 |
| Ba | 7 |
| Zn | 25 |
| Cu | 7 |
| Co | 2 |
Key Properties
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High chemical and thermal stability
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Excellent opacity and strong green pigment color
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Nanostructured morphology for high reactivity
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Hexagonal crystal phase with uniform size distribution
Applications
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Pigments & Coatings – Used as a green pigment in paints, inks, ceramics, and glass.
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Magnetic Materials – Precursor for chromium dioxide magnetic pigments.
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Ceramics & Refractories – Improves mechanical strength and thermal resistance.
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Polishing Compounds – Applied for knife-edge polishing (stropping) and optical surface finishing.
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Catalysts – Acts as a catalyst and catalyst support in various industrial reactions.
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Optical Applications – Used in specialty coatings and infrared absorption materials.