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919101

Sigma-Aldrich

Hydroxyapatite, acicular powder

≥96%, 60 nm±10 nm particle size

Synonym(s):

Calcium hydroxyphosphate, Calcium phosphate tribasic, HA, HaP, Hydroxylapatite, Tribasic calcium phosphate

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About This Item

Linear Formula:
Ca10(PO4)6(OH)2
UNSPSC Code:
12352305
NACRES:
NA.23

Quality Level

100

Assay

≥96%

form

powder

particle size

60 nm±10 nm

Application

Hydroxyapatite is a naturally occurring mineral of biological importance, due to its similarity in size, crystallography and composition to human hard tissue. Human bone morphology is mostly acicular hydroxyapatite, which makes it an ideal material for bone and dental applications.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Three common preparation methods of hydroxyapatite.
Ma G, et al.
IOP Conference Series: Materials Science and Engineering, 688, 033057-033057 (2019)
In Situ Precipitation of Cluster and Acicular Hydroxyapatite onto Porous Poly(γ-benzyl-l-glutamate) Microcarriers for Bone Tissue Engineering
Bu S, et al.
ACS Applied Materials & Interfaces, 12(11), 12468-12477 (2020)
Margarida M Fernandes et al.
ACS applied materials & interfaces, 11(48), 45265-45275 (2019-11-05)
Bone tissue repair strategies are gaining increasing relevance due to the growing incidence of bone disorders worldwide. Biochemical stimulation is the most commonly used strategy for cell regeneration, while the application of physical cues, including magnetic, mechanical, or electrical fields

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