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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

  • High chemical and thermal stability

  • Excellent opacity and strong green pigment color

  • Nanostructured morphology for high reactivity

  • Hexagonal crystal phase with uniform size distribution


Applications

  1. Pigments & Coatings – Used as a green pigment in paints, inks, ceramics, and glass.

  2. Magnetic Materials – Precursor for chromium dioxide magnetic pigments.

  3. Ceramics & Refractories – Improves mechanical strength and thermal resistance.

  4. Polishing Compounds – Applied for knife-edge polishing (stropping) and optical surface finishing.

  5. Catalysts – Acts as a catalyst and catalyst support in various industrial reactions.

  6. Optical Applications – Used in specialty coatings and infrared absorption materials.

Additional information

Gram

25 g, 100 g, 500 g, 1000 g