What is Nanocalcite (Calcium Carbonate, CaCO₃) Nanopowder?
Nanocalcite, also known as calcium carbonate (CaCO₃) nanoparticles, is ultra-fine calcium carbonate powder processed to nanoscale dimensions. Known for its high purity, excellent whiteness, controlled particle size, and extensive surface area, nanocalcite is widely used in various industrial, pharmaceutical, and environmental applications.
Chemical Properties and CAS Number
- Chemical Formula: CaCO₃
- CAS Number: 471-34-1
- Appearance: White, odorless, ultra-fine nanopowder
- Density: Approximately 2.71 g/cm³
- Melting Point: Decomposes at approximately 825°C
- Purity: Typically >99%
- Chemical Stability: Stable under normal conditions, soluble in acids, insoluble in water
Applications of Nanocalcite Powder
1. Pharmaceuticals and Cosmetics
Widely used as an excipient, calcium supplement, and filler in pharmaceutical formulations, dietary supplements, toothpaste, and cosmetics.
2. Paper and Printing
Employed as a filler and coating pigment to enhance brightness, opacity, smoothness, and printability in paper manufacturing.
3. Plastics and Polymers
Integrated into plastics and polymer composites as a reinforcing filler, improving mechanical properties, reducing costs, and enhancing durability.
4. Paints and Coatings
Utilized as an extender pigment and functional filler in paints, coatings, and inks to improve opacity, rheological properties, and durability.
5. Environmental Applications
Applied in wastewater treatment and environmental remediation processes, effectively neutralizing acidic contaminants and heavy metals.
6. Agricultural Uses
Used in soil amendments, fertilizers, and animal feeds, providing essential calcium nutrients and enhancing pH balance.
Pricing of Nanocalcite Powder
Pricing varies significantly based on particle size, purity, and specific application requirements:
- Industrial Grade: Typically ranges from $100 – $300 per metric ton
- High-Purity/Specialized Grade: Prices range from $500 – $2,000 per metric ton, suitable for pharmaceutical, cosmetic, and high-end applications.
Factors Influencing Nanocalcite Prices
- Particle size distribution and purity level
- Application-specific certifications
- Volume of purchase and frequency
- Special surface treatments or modifications
Conclusion
Nanocalcite (CaCO₃) nanopowder offers significant advantages in various industries, including pharmaceuticals, plastics, paper, and environmental treatments, due to its purity, particle size, and functional properties. Its versatility and broad applicability make it highly valuable, with pricing influenced by specific industry requirements.