289396
Hydroxyapatite
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:
Molecular Weight:
502.31
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
235-330-6
MDL number:
Form:
powder, solid
Solubility:
H2O: insoluble(lit.)
Quality Segment
form
powder, solid
mp
1100 °C (lit.)
solubility
H2O: insoluble(lit.)
SMILES string
[Ca++].[Ca++].[Ca++].[Ca++].O[Ca+].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O
InChI
1S/5Ca.3H3O4P.H2O/c;;;;;3*1-5(2,3)4;/h;;;;;3*(H3,1,2,3,4);1H2/q5*+2;;;;/p-10
InChI key
XYJRXVWERLGGKC-UHFFFAOYSA-D
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.
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.
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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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