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Hydroxyapatite CAS 1306-06-5 - White Powder from China Suppliers and Factory for Various Applications
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Chemical Name: Hydroxyapatite
CAS No.: 1306-06-5
Molecular Formula: Ca5HO13P3
Molecular Structure:
Molecular Weight: 502.31
Appearance: White powder
Sample: Free samples available upon request
Melting Point: 1100 °C (lit.)
Density: 3.076 g/cm³ (Temperature: 18 °C)
Solubility: Difficult to dissolve in water and ethanol, soluble in acid, slightly soluble in alkali
This premium Hydroxyapatite is sourced from reliable China suppliers and manufactured in our state-of-the-art factory. Known for its bioactivity and biocompatibility, Hydroxyapatite is widely used in various applications, including dental and orthopedic fields. Partner with trusted China suppliers for high-quality Hydroxyapatite that meets your specific needs. Contact us today for competitive pricing and free samples!
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Typical Properties
| Item | Specifications |
| Appearance | White powder |
| Assay | ≥96% |
| Average Particle Size | 20 nm, 40 nm, 60 nm |
| Ca:P mg/kg | GBB 1871.1 |
| As mg/kg | Pharmacopoeia standards |
| Cd mg/kg | GB10724 |
| Hg mg/kg | GB9723 |
| Pb mg/kg | GB10724 |
| The total amount of heavy metal elements | Pharmacopoeia standards |
Core Physicochemical Properties
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Excellent Biocompatibility
Its composition is consistent with human bone tissue, making it non-toxic, non-irritating, and free from immune rejection.
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Osteoconductivity
Capable of guiding new bone growth to achieve bone tissue repair and integration.
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High Adsorption Capacity
Possesses strong adsorption capabilities for heavy metal ions, fluoride ions, proteins, and bacteria.
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Thermal Resistance & Chemical Stability
Heat resistant and stable against acids and alkalis, making it difficult to decompose.
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Tunable Porous Structure
Can be fabricated into porous materials with high specific surface area, suitable for adsorption and carrier applications.
Application
🦷 1. Oral Care (Mainstream Consumer Use)
Additives: Used as an additive in toothpaste and mouthwash.
Benefits: Repairs enamel, desensitizes, prevents cavities, whitens teeth, and reduces plaque.
Target Audience: Serves as a fluoride substitute, suitable for children and individuals with sensitive teeth.
🏥 2. Biomedical Materials
Bone Repair: Used as bone defect fillers, artificial bone, and bone cement.
Implants: Applied as coatings for dental implants and for surface modification of orthopedic implants.
Medical Supplies: Functions as a drug sustained-release carrier and surgical hemostatic material.
Dental Applications: Used for dental root canal filling and alveolar bone repair.
💧 3. Environmental Protection & Water Treatment
Purification: Removes fluoride ions and heavy metals (Pb, Cd, Cu, Ni, etc.) from water.
Treatment: Used for deep treatment of industrial wastewater and purification of drinking water.
⚗️ 4. Chemical Industry & Separation
Purification: Serves as chromatography packing for the separation and purification of proteins, enzymes, and nucleic acids.
Carriers: Used as a catalyst carrier and immobilized enzyme carrier.
Media: Acts as a chromatographic separation medium.
🌐 5. Other Applications
Food: Used as a food additive (calcium fortifier).
Cosmetics: Serves as a cosmetic filler and skincare ingredient.
Materials: Used as an additive in ceramic materials and bio-glass.
Package & Storage
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Package
1 kg/bag | 5 kg/bag | 25 kg/drum
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Storage
Sealed, dry, cool place — moisture-proof and sunscreen
Frequently Asked Questions
❓ What is nano-hydroxyapatite and how does it differ from regular hydroxyapatite?
Nano-hydroxyapatite (nHA) refers to hydroxyapatite particles at the nanometer scale (typically 20–100 nm). Compared to conventional hydroxyapatite, nHA has a significantly higher specific surface area, superior biocompatibility, and enhanced bioactivity, making it more effective for bone repair, drug delivery, and adsorption applications.
❓ What particle sizes are available for this nano-hydroxyapatite powder?
This product is available in three average particle sizes: 20 nm, 40 nm, and 60 nm. Different particle sizes are suitable for different application scenarios. Please contact us to select the most appropriate specification for your needs.
❓ Is nano-hydroxyapatite safe for use in toothpaste and oral care products?
Yes. Nano-hydroxyapatite is widely recognized as safe for oral care use. Its composition closely mirrors that of natural tooth enamel and bone mineral. It is non-toxic, non-irritating, and does not trigger immune rejection. It is commonly used as a fluoride-free alternative in toothpaste for children and individuals with tooth sensitivity.
❓ How should nano-hydroxyapatite powder be stored to maintain its quality?
The powder should be stored in a sealed container in a dry, cool place, away from moisture and direct sunlight. Proper storage conditions help prevent agglomeration and maintain the material's physicochemical properties over time.
❓ Can nano-hydroxyapatite be used for heavy metal removal in water treatment?
Yes. Thanks to its high specific surface area and strong adsorption capacity, nano-hydroxyapatite is highly effective at removing heavy metal ions such as Pb, Cd, Cu, and Ni, as well as fluoride ions from water. It is used in both industrial wastewater deep treatment and drinking water purification systems.
❓ What packaging options are available and can custom quantities be arranged?
Standard packaging options include 1 kg/bag, 5 kg/bag, and 25 kg/drum to suit different purchase volumes — from laboratory research to industrial-scale use. For custom packaging or bulk order requirements, please reach out to our sales team for tailored solutions.