Blogs, nanopowder   0   12 March 2025

What is Barium Carbonate (BaCO₃) Nanopowder/Nanoparticles?

Barium Carbonate (BaCO₃) Nanopowder/Nanoparticles are ultrafine particles of barium carbonate with high purity, chemical stability, and excellent reactivity. They are widely used in ceramics, glass, electronics, coatings, and chemical processing due to their alkalinity, high density, and optical properties.

Chemical Properties of Barium Carbonate (BaCO₃) Nanoparticles

  • Chemical Formula: BaCO₃
  • Molecular Weight: 197.34 g/mol
  • Density: 4.29 g/cm³
  • Melting Point: ~1,740°C
  • Boiling Point: Decomposes at high temperatures
  • Solubility: Slightly soluble in water, soluble in acids
  • Refractive Index: ~1.64
  • CAS Number: 513-77-9

Applications of Barium Carbonate (BaCO₃) Nanoparticles

  1. Ceramics & Glass Manufacturing

    • Used in ceramic glazes, tiles, and specialty glass to enhance color, durability, and optical clarity.
    • Prevents efflorescence in bricks and tiles by neutralizing sulfates.

  2. Electronics & Semiconductor Industry

    • Applied in electronic ceramics, capacitors, and PTC thermistors for dielectric properties.
    • Used in glass-to-metal seals for vacuum tubes.

  3. Coatings & Pigments

    • Acts as a white pigment and opacifier in paint, coatings, and plastics.
    • Used in anti-corrosion coatings and specialty pigments.

  4. Chemical Processing & Catalysis

    • Used in barium salt production, such as barium nitrate, barium chloride, and barium ferrite.
    • Acts as a catalyst in various chemical reactions.

  5. Fireworks & Pyrotechnics

    • Provides green coloration in fireworks and pyrotechnic displays.

  6. Water Treatment & Environmental Applications

    • Applied in water purification systems to remove sulfates and heavy metals.

  7. Magnetic Materials & Ferrites

    • Used in barium ferrite (BaFe) synthesis for permanent magnets.

Barium Carbonate (BaCO₃) Nanoparticle Prices

Pricing varies based on purity, particle size, and industrial application.

  • Industrial Grade (99% Purity): $10 – $50 per kg
  • High Purity (99.9% – 99.99% for Electronics & Catalysis): $100 – $500 per kg
  • Ultra-High Purity (99.999% for Research & Semiconductor Grade): $1,000 – $5,000 per kg

Prices fluctuate based on global demand, rare earth supply chain, and processing technology.

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