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593486

Sigma-Aldrich

Tantalum

nanopowder, <25 nm particle size (BET), ≥99% trace metals basis

Synonym(s):

Ta

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About This Item

Empirical Formula (Hill Notation):
Ta
CAS Number:
Molecular Weight:
180.95
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.23

vapor pressure

<0.01 mmHg ( 537.2 °C)

Assay

≥99% trace metals basis

form

nanopowder

autoignition temp.

572 °F

resistivity

13.5 μΩ-cm, 20°C

particle size

<25 nm (BET)

bp

5425 °C (lit.)

mp

2996 °C (lit.)

density

16.69 g/cm3 (lit.)

SMILES string

[Ta]

InChI

1S/Ta

InChI key

GUVRBAGPIYLISA-UHFFFAOYSA-N

General description

Macro-agglomeration of ultra-fine particles.

Pictograms

Flame

Signal Word

Danger

Hazard Statements

Hazard Classifications

Flam. Sol. 1

WGK

nwg

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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Guilan Zhang et al.
International journal of nanomedicine, 15, 2419-2435 (2020-05-06)
In recent years, nanomaterials have been increasingly developed and applied in the field of bone tissue engineering. However, there are few studies on the induction of bone regeneration by tantalum nanoparticles (Ta NPs) and no reports on the effects of
S Nag et al.
Journal of the mechanical behavior of biomedical materials, 16, 21-28 (2012-11-10)
Microstructure and mechanical properties of laser deposited complex quaternary Ti-34Nb-7Zr-7Ta (all wt%), an orthopedic load-bearing implant alloy, has been investigated in detail in both as-deposited as well as heat-treated (β-solutionized and quenched) conditions. The difference in stress-strain behavior of this
Thomas Larzon et al.
Vascular, 21(2), 87-91 (2013-03-20)
Control of back bleeding from the hypogastric artery into the aneurysm after endovascular aneurysm repair (EVAR) of a ruptured aorto-iliac aneurysm may be necessary in order to avoid a type II endoleak. It is an emergency situation and selective catheterization
Orbital ultrasound in the selective screening of a dural-cavernous sinus fistula.
Hamid Shokoohi et al.
European journal of emergency medicine : official journal of the European Society for Emergency Medicine, 20(2), 137-139 (2013-02-26)
Hany A El-Sayed et al.
Nanoscale, 5(4), 1494-1498 (2013-01-23)
Ta oxide nanotubes (NTs) were formed by the anodization of Ta at 15 V in a solution of concentrated sulfuric acid containing 0.8-1.0 M hydrofluoric acid. To study the initial stages of NT formation, FESEM images of samples anodized for

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