Hydroxyapatite

Name: Hydroxyapatite
Brand: ALDRICH

powder, synthetic

Synonym(s):

Calcium phosphate tribasic, Calcium hydroxyphosphate, HAp, Hydroxylapatite, Tribasic calcium phosphate

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About This Item

Linear Formula:

[Ca₅(OH)(PO₄)₃]_x

CAS Number:

12167-74-7

Molecular Weight:

502.31

NACRES:

NA.23

PubChem Substance ID:

57648308

UNSPSC Code:

12352302

EC Number:

235-330-6

MDL number:

MFCD00010904

form:

powder
solid

solubility:

H₂O: insoluble(lit.)

Product Name

Hydroxyapatite, powder, synthetic

InChI key

XYJRXVWERLGGKC-UHFFFAOYSA-D

InChI

1S/5Ca.3H3O4P.H2O/c;;;;;3*1-5(2,3)4;/h;;;;;3*(H3,1,2,3,4);1H2/q5*+2;;;;/p-10

SMILES string

[Ca++].[Ca++].[Ca++].[Ca++].O[Ca+].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O

form

powder
solid

mp

1100 °C (lit.)

solubility

H₂O: insoluble(lit.)

Quality Level

100

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Related Categories

Energy Materials

High-Purity Salts

Application

Hydroxyapatite(HAp) was used to model intracranial calcification in a study. HAp forms biocomposites with a number of polymers for various uses, such as:

for comparison purposes during the preparation of HAp based biocomposites with PVA and collagen.
for preparation of poly(methyl methacrylate) (PMMA)/hydroxyapatite (HA) by powder liquid method to manufacture denture base composites.

General description

Hydroxyapatite is a key inorganic phosphate that has chemical and structural resemblance to bone. HAp is a popular biomaterial which finds use as a bone or teeth replacement and repair, hard tissue repair.

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Biocomposites of nanohydroxyapatite with collagen and poly (vinyl alcohol).

Degirmenbasi N, et al.

Colloids and Surfaces. B, Biointerfaces, 48(1), 42-49 (2006)

Hydroxyapatite and hydroxyapatite-based ceramics.

Orlovskii VP, et al.

Inorganic Materials, 38(10), 973-984 (2002)

Effects of titanate coupling agent on the mechanical, thermal, and morphological properties of poly (methyl methacrylate)/hydroxyapatite denture base composites.

Tham WL, et al.

Journal of Composite Materials, 45(22), 2335-2345 (2011)

Differentiation of low-attenuation intracranial hemorrhage and calcification using dual-energy computed tomography in a phantom system.

Nute JL, et al.

Investigative Radiology, 50(1), 9-9 (2015)

Simulated body fluid and water absorption effects on poly (methyl methacrylate)/hydroxyapatite denture base composites.

Tham WL, et al.

Express Polymer Letters, 4(9), 517-528 (2010)

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