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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 are available
Melting point: 1100 ° C (lit.)
Density: 3.076 g/cm3 (Temp: 18 ° C)
Solubility: Difficult to dissolve in water and ethanol, soluble in acid, slightly soluble in alkali

Product Description

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

1. Excellent Biocompatibility

Its composition is consistent with human bone tissue, making it non-toxic, non-irritating, and free from immune rejection.

2. Osteoconductivity

Capable of guiding new bone growth to achieve bone tissue repair and integration.

3. High Adsorption Capacity

Possesses strong adsorption capabilities for heavy metal ions, fluoride ions, proteins, and bacteria.

4. Thermal Resistance & Chemical Stability

Heat resistant and stable against acids and alkalis, making it difficult to decompose.

5. 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

1kg/bag, 5kg/bag, 25kg/drum

Storage

Sealed, dry, cool place, moisture-proof and sunscreen

Frequently Asked Questions (FAQ)

What is the purity level (assay) of this product?

The product features a high assay purity of ≥96%, meeting stringent requirements for industrial, cosmetic, and medical-grade applications.

What average particle sizes are available?

We offer three standard nano particle size options: 20 nm, 40 nm, and 60 nm, allowing tailored performance for different applications.

How is this product utilized in oral care products?

It is widely used in toothpaste and mouthwash formulations as a safe fluoride substitute. It helps repair tooth enamel, reduce sensitivity, prevent cavities, and whiten teeth.

Why is it suitable for biomedical applications?

Due to its excellent biocompatibility and osteoconductivity, its chemical composition closely matches human bone tissue, preventing immune rejection while supporting new bone tissue repair and integration.

What packaging sizes are provided?

Standard packaging includes 1kg/bag, 5kg/bag, and bulk 25kg/drum options to accommodate both sample testing and large-scale industrial orders.

What are the recommended storage conditions?

The product should be kept in a sealed container, stored in a dry, cool environment, and protected from moisture and direct sunlight to ensure maximum stability.

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