693863
Hydroxyapatite
nanopowder, <200 nm particle size (BET), contains 5 wt. % silica as dopant, synthetic
Synonym(s):
Calcium phosphate tribasic, Si-HAp, 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
MDL number:
Form:
nanopowder, solid
Quality Level
form
nanopowder, solid
contains
5 wt. % silica as dopant
surface area
10-15 m2/g , typical
particle size
<200 nm (BET)
mp
1100 °C (lit.)
bulk density
2‑6 g/cm3
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
Application
Si-substituted hydroxyapatite (Si-HAp) nanopowder can be incorporated in biodegradable polymer composites or deposited on biocompatible surfaces similar to pure HAp nanopowder (cat. no. 677418). Biological activity of HAp was shown to be enhanced by substitution of silicon ions into a fraction of HAp lattice phosphate sites.
Legal Information
Product of Engi-Mat Co.
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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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