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Key Documents

545007

Sigma-Aldrich

Tantalum

powder, 99.99% trace metals basis

Synonym(s):

Ta

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About This Item

Empirical Formula (Hill Notation):
Ta
CAS Number:
Molecular Weight:
180.95
MDL number:
UNSPSC Code:
12141741
PubChem Substance ID:
NACRES:
NA.23

vapor pressure

<0.01 mmHg ( 537.2 °C)

Quality Level

assay

99.99% trace metals basis

form

powder

autoignition temp.

572 °F

resistivity

13.5 μΩ-cm, 20°C

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

Related Categories

Application

Tantalum powder, a semiconducting material, is used as a photocatalyst and shows high efficiency in the solar splitting of water. Its biocompatibility makes it useful in the development of medical devices and implants.

pictograms

Flame

signalword

Danger

hcodes

Hazard Classifications

Flam. Sol. 1

Storage Class

4.1B - Flammable solid hazardous materials

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


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