Hydroxyapatite (HAp) Powder - High Purity Calcium Hydroxylapatite for Dental & Orthopedic Applications

Princeton Powder’s high purity hydroxyapatite (HA) powder (calcium hydroxylapatite, CAS 1306-06-5) is a bioactive calcium phosphate compound engineered for superior performance in dental, orthopedic, and industrial applications. We offer fully customizable nano hydroxyapatite powder (<100 nm) and micron hydroxyapatite powder (0.1–100 μm) to match your exact formulation needs—from toothpaste remineralization to bone graft materials and industrial ceramic production. All our hydroxyapatite powder meets USP grade standards, with 99.5% trace metals purity and consistent batch-to-batch quality for global buyers in Europe and North America.

CategoryModel No.MorphologyParticle Size & PurityApplication
Green Powder    
HAP0101‑2uQuasi‑spherical2 μm, 96%Toothpaste, soil treatment, mouthwash
HAP0101‑200Needle‑shaped200 nm, 95%Toothpaste, soil treatment, mouthwash
HAP0101‑60Needle‑shaped60 nm, 96%Toothpaste, soil treatment, mouthwash
HAP0202‑40Needle‑shaped40 nm, 96%Cosmetics, carrier material
HAP0303‑20Needle‑shaped20 nm, 97.5%Low‑purity artificial bone, bone scaffold
HAP0404‑20Needle‑shaped20 nm, 99%High‑purity artificial bone, bone screw
HAP0505‑20Short rod‑like20 nm, 99%High‑purity artificial bone, bone screw
HAP0606‑80Spherical80 μm, 96%Soil remediation
Calcined Powder (High‑Temperature Sintered)    
HAP0707‑15uSpherical15 μm (1‑45 μm)3D printing, bone cement
HAP0707‑25uSpherical25 μm (15‑35 μm)3D printing, thermal spraying
HAP0707‑50uSpherical50 μm (30‑85 μm)Bone coating, thermal spraying
HAP0707‑80uSpherical80 μm (45‑120 μm)3D printing, thermal spraying
HAP0707‑QSpherical0.5‑5 mmOrthopedics
CaHaPorousSpherical1.2 g/cm³, 25‑45 μmMedical aesthetics
CaHaMicroporousSpherical1.5 g/cm³, 25‑45 μmMedical aesthetics
CaHaSolid smoothSpherical1.9 g/cm³, 25‑45 μmMedical aesthetics
Product AttributeStandard Value
Chemical NameHydroxyapatite (Calcium Hydroxylapatite)
CAS Number1306-06-5
Purity99.5% (Trace Metals Basis) – USP Grade Hydroxyapatite Powder
Particle SizeCustomizable: Nano (<100 nm) / Micron (0.1–100 μm) / Bulk (>100 μm)
AppearanceWhite Crystalline Hydroxyapatite Powder
Grade OptionsFood Grade (for toothpaste), Biomedical Grade (orthopedic), Industrial Grade
Melting Point1100℃
Density3–3.2 g/cm³ (25°C)
Key ApplicationsDental (toothpaste remineralization), Orthopedic (bone graft)

Description of Hydroxyapatite (HAp) powder

Hydroxyapatite (HA) powder, a calcium phosphate compound (Ca₁₀(PO₄)₆(OH)₂), is widely used in biomedical applications due to its biocompatibility and similarity to human bone mineral. Bulk hydroxyapatite powder is commonly used for bone grafts, dental implants, and as a coating for orthopedic implants to promote bone integration. Additionally, HA powder is utilized in chromatography for protein purification and in various research and development applications within the medical and materials science fields

Hydroxyapatite (HA) powder, available for sale in the USA, is offered in food grade, nano particle, and micro size forms. We provide a wide range of products including ceramic plates, rods, pellets, crucibles, sputtering targets, and custom shapes. Our extensive manufacturing expertise ensures reliable, tailored solutions to effectively support your projects.

Physical And Chemical Analysis

ItemsStandardsResultsMethod
DescriptionWhite powder, without anyQualifiedVisual& Optical Microscope
visible impurities or blemishes
ShapeNeedle-like / Rod-likeQualifiedVisual& Optical Microscope
Mesh SizeAverage particle size:200 nm,QualifiedGB/T23101.6-4.6
with no deviation of more than 50 nm either upward or
downward
Assay(HAP)Purity≥96%97%GB/T23101.3-7、8
Burn-off weight loss<5%1.1%GB/T1875
Total volatile matter at 105℃≤3%0.7%Pharmacopoeia 2020 Edition – Loss on Drying
Calcium to phosphorus ratio1.66-1.711.667GB/T 23101.1-4.1
IR absorption spectrumThere should be an OHQualifiedGB/T 23101.6 – Appendix A.3
absorption peak at 3573 cm-1 and 632 cm-1, a P04-3 absorption peak at 1090 cm-1, 1047 cm-1,959.cm-1,601 cm-1and 571 cm-1. No absorption peaks for carbonate ions, carbonyl groups, amines or other impurities are observed.

Residue Analysis

ItemsStandardsResultsMethod
DescriptionWhite powder, without anyQualifiedVisual& Optical Microscope
visible impurities or blemishes
ShapeNeedle-like / Rod-likeQualifiedVisual& Optical Microscope
Mesh SizeAverage particle size:200 nm,QualifiedGB/T23101.6-4.6
with no deviation of more than 50 nm either upward or
downward
Assay(HAP)Purity≥96%97%GB/T23101.3-7、8
Burn-off weight loss<5%1.1%GB/T1875
Total volatile matter at 105℃≤3%0.7%Pharmacopoeia 2020 Edition – Loss on Drying
Calcium to phosphorus ratio1.66-1.711.667GB/T 23101.1-4.1
IR absorption spectrumThere should be an OHQualifiedGB/T 23101.6 – Appendix A.3
absorption peak at 3573 cm-1 and 632 cm-1, a P04-3 absorption peak at 1090 cm-1, 1047 cm-1,959.cm-1,601 cm-1and 571 cm-1. No absorption peaks for carbonate ions, carbonyl groups, amines or other impurities are observed.

Residue Analysis

ItemsStandardsResultsMethod
DescriptionWhite powder, without anyQualifiedVisual& Optical Microscope
visible impurities or blemishes
ShapeNeedle-like / Rod-likeQualifiedVisual& Optical Microscope
Mesh SizeAverage particle size:200 nm,QualifiedGB/T23101.6-4.6
with no deviation of more than 50 nm either upward or
downward
Assay(HAP)Purity≥96%97%GB/T23101.3-7、8
Burn-off weight loss<5%1.1%GB/T1875
Total volatile matter at 105℃≤3%0.7%Pharmacopoeia 2020 Edition – Loss on Drying
Calcium to phosphorus ratio1.66-1.711.667GB/T 23101.1-4.1
IR absorption spectrumThere should be an OHQualifiedGB/T 23101.6 – Appendix A.3
absorption peak at 3573 cm-1 and 632 cm-1, a P04-3 absorption peak at 1090 cm-1, 1047 cm-1,959.cm-1,601 cm-1and 571 cm-1. No absorption peaks for carbonate ions, carbonyl groups, amines or other impurities are observed.

Applications of Hydroxyapatite Powder

1. Dental Care & Oral Health Formulations

  • Nano-Hydroxyapatite Toothpaste Ingredients: Advanced raw materials for enamel remineralization, anti-sensitivity, and cavity protection.
  • Bioactive Dental Coatings & Varnishes: High-adhesion $nHAp$ solutions for desensitizing treatments and professional dental care.
  • Whitening & Oral Care R&D: Next-generation biomaterials tailored for innovative oral care products and custom formulations.

2. Biomedical & Tissue Engineering Solutions

  • Medical-Grade Bone Grafts & Orthopedic Implants: Osteoconductive nano-hydroxyapatite for enhanced bone regeneration and osseointegration.
  • 3D Scaffolds for Tissue Engineering: Porous biomaterial matrices designed for cell proliferation and regenerative medicine.
  • Targeted Drug Delivery Carriers: Controlled-release nanoparticle systems for pharmaceutical and biomedical applications.

3. Cosmetic & Skincare Raw Materials

  • Anti-Aging & Firming Skincare Additives: Bio-compatible nano minerals that boost skin barrier repair and elasticity.
  • Mineral Sunscreens & Brightening Formulations: Non-toxic $TiO_2$/$ZnO$ compatible bio-minerals for natural UV protection and even skin tone.

4. Food & Nutraceutical Grade Additives

  • Dietary Calcium Fortification: Water-dispersible, high-absorption calcium sources for nutritional supplements (Custom specifications available upon request).

Hydroxyapatite Powder our strength

  • 99.5% high purity hydroxyapatite powder (USP grade) with batch-to-batch consistency
  • Custom particle size hydroxyapatite powder (nano/micron/bulk) tailored to your application
  • FDA/GMP/ISO certified calcium hydroxylapatite powder for global compliance
  • Fast shipping for hydroxyapatite powder to Europe and North America
  • Free samples available for nano/micron hydroxyapatite powder testing

Hydroxyapatite (HA) Powder Reference

Hydrothermal synthesis of hydroxyapatite powders using Response Surface Methodology (RSM)

  • Hydroxyapatite (HAp)—[Ca10 (PO4)6(OH) 2] has a similar chemical composition to bone material, making it the main mineral supplement in bone-making. Due to its high biocompatibility, hydroxyapatite is widely used in the repair of bone deficiencies and in the production of dental or orthopedic implants.

FAQs

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Leave your questions, we will answer as soon as possible.

In comparison to hydroxyapatite, nano-hydroxyapatite (n-HAP) has higher solubility, surface energy and bioactivity and its structure is similar to dental apatite. Recent reports claim that Nano-HAP can be used as a remineralizing agent.

Micro-hydroxyapatite particles are at least 1,000 larger than nano-hydroxyapatite particles. They are less effective in treating dental erosion/damage because they do not interact/bind as well with the cells and surfaces in your oral microbiome. While nano-hydroxyapatite is more effective than micro hydroxyapatite.

Though it is safe for ingestion, of course we do not recommend eating it! We do recommend flossing before brushing with a toothpaste that contains hydroxyapatite so that the active ingredients can penetrate your teeth’s surface properly after the biofilm between the teeth has been removed.