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262919

Tantalum

greener alternative

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

Synonym(s):

Ta

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About This Item

Empirical Formula (Hill Notation):
Ta
CAS Number:
7440-25-7
Molecular Weight:
180.95
NACRES:
NA.23
PubChem Substance ID:
24855935
UNSPSC Code:
12141741
EC Number:
231-135-5
MDL number:
MFCD00011252
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Quality Segment

100

vapor pressure

<0.01 mmHg ( 537.2 °C)

assay

≥99.9% trace metals basis

form

foil

autoignition temp.

572 °F

reaction suitability

core: tantalum

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

resistivity

13.5 μΩ-cm, 20°C

thickness

0.025 mm

bp

5425 °C (lit.)

mp

2996 °C (lit.)

density

16.69 g/cm3 (lit.)

greener alternative category

Enabling

SMILES string

[Ta]

InChI

1S/Ta

InChI key

GUVRBAGPIYLISA-UHFFFAOYSA-N

General description

The structure of tantalum is body centered cubic (BCC) metal. It is a refractory metal; stable up to very high temperatures. Tantalum is ductile at room temperature and moderately ductile at cryogenic temperatures.
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Preparation Note

150 × 150 mm (appoximately 9 g)
150 × 500 mm (approximately 31 g)

Storage Class

11 - Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

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Certificates of Analysis (COA)

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