Merck
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545007

Sigma-Aldrich

Tantalum

powder, 99.99% trace metals basis

All Photos(1)
Synonym(s):
Ta
Empirical Formula (Hill Notation):
Ta
CAS Number:
7440-25-7
Molecular Weight:
180.95
MDL number:
MFCD00011252
PubChem Substance ID:
24878801
NACRES:
NA.23

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foil, thickness 0.025 mm, ≥99.9% trace metals basis

vapor pressure

<0.01 mmHg ( 537.2 °C)

Quality Level

100

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.

Packaging

10, 50 g

Pictograms

Flame
GHS02

Signal Word

Danger

Hazard Statements

H228

Hazard Classifications

Flam. Sol. 1

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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