What is Hydroxyapatite Powder?

Hydroxyapatite (HA) powder is a calcium phosphate-based bioceramic material widely recognized for its biocompatibility, osteoconductivity, and similarity to human bone mineral. It is extensively used in medical, dental, orthopedic, and biomedical applications.

Chemical Properties and CAS Number

• Chemical Formula: Ca₁₀(PO₄)₆(OH)₂
• CAS Number: 1306-06-5
• Appearance: White fine powder
• Density: Approximately 3.16 g/cm³
• Melting Point: Decomposes above 1,100°C
• Solubility: Slightly soluble in water, highly soluble in acids
• Biocompatibility: Excellent, promoting bone regeneration and integration

Applications of Hydroxyapatite Powder

1. Biomedical and Orthopedic Implants

Used in bone grafts, dental implants, and orthopedic coatings due to its excellent bioactivity and osteoconductivity.

2. Dentistry and Dental Materials

Employed in toothpastes, dental fillings, and enamel repair formulations to promote remineralization and protect against cavities.

3. Bioceramics and Coatings

Applied as a coating material for titanium implants, enhancing biocompatibility and osseointegration in medical devices.

4. Drug Delivery Systems

Used in targeted drug delivery applications, allowing controlled release of pharmaceuticals for bone regeneration and disease treatment.

5. Tissue Engineering

Utilized in scaffolds and regenerative medicine applications to support cell attachment, proliferation, and bone tissue formation.

6. Cosmetics and Skincare

Incorporated into skincare products for exfoliation, remineralization, and skin health enhancement.

Pricing of Hydroxyapatite Powder

Prices vary based on purity, particle size, synthesis method, and industry-specific requirements:

• Industrial Grade: Typically ranges from $100 – $500 per kilogram
• High-Purity/Specialized Grade: Prices range from $500 – $2,000 per kilogram, used in medical, dental, and pharmaceutical applications.

Factors Influencing Hydroxyapatite Powder Prices

• Purity and particle size
• Application-specific standards and certifications
• Manufacturing process and synthesis method
• Order volume and frequency

Conclusion

Hydroxyapatite powder is an essential bioceramic material extensively used in biomedical, dental, and pharmaceutical applications. Its remarkable biocompatibility, osteoconductivity, and structural similarity to natural bone make it indispensable for medical advancements. Pricing depends on purity, particle size, and intended application.