Merck
All Photos(2)

677418

Sigma-Aldrich

Hydroxyapatite

nanopowder, <200 nm particle size (BET), ≥97%, synthetic

Synonym(s):
Calcium phosphate tribasic, Calcium hydroxyphosphate, HAp, Hydroxylapatite, Tribasic calcium phosphate
Linear Formula:
[Ca5(OH)(PO4)3]x
CAS Number:
Molecular Weight:
502.31
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

assay

≥97%

form

nanopowder
solid

particle size

<200 nm (BET)

surface area

>9.4 m2/g

mp

1100 °C (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

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Packaging

5, 10, 25 g in poly bottle

Application

Hydroxyapatite nanopowders, incorporated in biodegradable polymer composites or deposited on biocompatible substrates, have been shown to promote adhesions and proliferation of bone-forming (osteoblast) cells.

Legal Information

Product of Engi-Mat Co.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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