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Hydroxyapatite

Also known as: Hydroxylapatite, Durapatite, Calcium phosphate hydroxide, Calcium hydroxyapatite, HAp

Hydroxyapatite (CAS 1306-06-5) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula HCa5O13P3 and a molecular weight of 502.311 g/mol. Key properties include a melting point of 1100 °C(lit.), a boiling point of 158ºC at 760 mmHg and a density of 3.140 g/cm3. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. It is listed by 1 supplier, from 2.36 to 5.60 CNY. Record last updated Nov 2, 2026.

CAS No.
1306-06-5
Jingsj CID
J-38244-1
Molecular Formula
HCa5O13P3
Molecular Weight
502.311 g/mol
Category
Inorganic Chemicals
Last updated
11/2/2026
In Stock

Supplier Offers

1Request a quote
Filter:
SupplierPurity / PackBase PriceUnit PriceOrigin
In Stock
≤100nm
500g
¥1,180.00
$0.35 /gBest
¥2.36/g CNY
CN China
MOQ 500g
In Stock
≤100nm
100g
¥408.00
$0.61 /g
¥4.08/g CNY
CN China
MOQ 100g
In Stock
≤100nm
25g
¥140.00
$0.84 /g
¥5.60/g CNY
CN China
MOQ 25g

Physicochemical Properties

Melting Point1100 °C(lit.)
Boiling Point158ºC at 760 mmHg
Density3.140 g/cm3
Exact Mass501.675964
PSA119.12000
LogP0.20920
Additional PropertyH2O: 0.3 mg/mL, clear, colorless

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information[1]. Moumita Rakshit, et al. Hydroxyapatite Particles Induced Modulation of Collagen Expression and Secretion in Primary Human Dermal Fibroblasts. Int J Nanomedicine. 2020; 15: 4943–4956. [2]. Yongjia Liu, et al. Hydroxyapatite-Bovine Serum Albumin-Paclitaxel Nanoparticles for Locoregional Treatment of Osteosarcoma. Adv Healthc Mater. 2020 Nov 9;e2000573.

Frequently Asked Questions

What is the CAS number of Hydroxyapatite?

The CAS number of Hydroxyapatite is 1306-06-5.

What are the molecular formula and molecular weight of Hydroxyapatite?

Hydroxyapatite has molecular formula HCa5O13P3 and molecular weight 502.311 g/mol.

Which suppliers offer Hydroxyapatite?

1 supplier(s) listed; reference unit price ¥2.36–5.60 /g.

Is Hydroxyapatite hazardous?

Hydroxyapatite has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Hydroxyapatite (CAS 1306-06-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38244-1 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.