98% Hydroxyapatite Powder - 200nm Particle Size for Dental & Biomedical Applications with 24-Month Shelf Life
Hydroxyapatite is a natural mineralization of calcium apatite (Ca5(PO4)3(OH)), also available in chemically synthesized form. This white powder features excellent biocompatibility and bone affinity, making it ideal for medical and dental applications.
Formulated into toothpastes, mouthwashes, and whitening products to restore enamel, reduce sensitivity, and promote oral health.
Used in bone grafts, implant coatings, and bone tissue engineering due to natural compatibility with bone mineral structure.
Incorporated in mineral-based skincare and anti-aging formulations to support cellular repair and collagen production.
Functional ingredient supporting bone density, joint health, and calcium absorption in dietary supplements.
| Items | Standards | Results | Method |
|---|---|---|---|
| Heavy Metal | ≤30ppm | 10ppm | GB/T23101.1-4.2 |
| Pb | ≤5ppm | 0.136ppm | GB/T23101.1-4.2 |
| As | ≤3ppm | 0.117ppm | GB/T23101.1-4.2 |
| Hg | ≤5ppm | 0.201ppm | GB/T23101.1-4.2 |
| Cd | ≤5ppm | 0.009ppm | GB/T23101.1-4.2 |
| Items | Standards | Results |
|---|---|---|
| Description | White powder, without any visible impurities or blemishes | Qualified |
| Shape | Needle-like / Rod-like | Qualified |
| Mesh Size | Average particle size: 200 nm, with no deviation of more than 50 nm | Qualified |
| Assay (HAP) | Purity ≥96% | 97% |
| Burn-off weight loss | <5% | 1.1% |
| Total volatile matter at 105℃ | ≤3% | 0.7% |
| Calcium to phosphorus ratio | 1.66-1.71 | 1.667 |
| IR absorption spectrum | OH absorption peak at 3573 cm⁻¹ and 632 cm⁻¹, PO₄³⁻ absorption peak at 1090 cm⁻¹, 1047 cm⁻¹, 959 cm⁻¹, 601 cm⁻¹ and 571 cm⁻¹. No absorption peaks for carbonate ions, carbonyl groups, amines or other impurities | Qualified |
| Parameter | Requirement |
|---|---|
| Storage Temperature | Store in cool, dry place below 25°C |
| Humidity | Relative humidity < 60% |
| Light Protection | Protect from direct sunlight |
| Container Type | Food-grade HDPE drums with tight-fitting lids |
| Shelf Life | 24 months from date of manufacture |
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