Basic production information
Product Name: Hydroxyapatite
CAS No.: 1306‑06‑5
EINECS No.: 215‑145‑7
Synonyms: Hydroxylapatite, Durapatite, Calcium phosphate hydroxideMolecular Formula: Ca5HO13P3
Molecular Weight: 502.31 g/mol
Appearance: White fine powder
Odor: Odorless
Physico‑Chemical Properties
Density (g/cm³) 3.14
Melting Point (℃) 1100
Solubility Insoluble in water; soluble in dilute acid
Ca/P Molar Ratio 1.67 (theoretical)
Particle Size Nano / micron grade available
Quality Specification
| Test Item | Standard | Test Method |
|---|---|---|
| Purity (%, on ignited basis) | ≥96.0 | Calcination‑gravimetry |
| Ca/P Molar Ratio | 1.60‑1.70 | ICP |
| Loss on Ignition (%) | ≤8.0 | Gravimetric |
| Heavy Metals (Pb, Cd, Hg, As) | Meet FCC / Ph.Eur. limit | ICP‑MS |
Application & Use
Dental‑care additive for toothpaste, supports enamel remineralization.
Biomedical material for bone‑repair raw material, biological ceramic.
Adsorbent for chromatography separation, food‑grade calcium supplement raw material.
Packing
‑ Standard packing: 25 kg kraft paper bag with inner PE liner.
Storage & Transportation
‑ Store in cool, dry and well‑ventilated warehouse, keep sealed, avoid moisture.‑ Keep away from strong acids.
‑ Shelf‑life: 24 months under proper storage conditions.
Disclaimer: All above are typical values only, not a guarantee for any specific batch.
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