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1.12349

Sigma-Aldrich

Tantalum powder

98+

Synonym(s):

Tantalum powder

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About This Item

Empirical Formula (Hill Notation):
Ta
CAS Number:
Molecular Weight:
180.95
MDL number:
UNSPSC Code:
12141741
EC Index Number:
231-135-5
NACRES:
NA.22

Quality Level

form

solid

autoignition temp.

>250 °C

potency

>2000 mg/kg LD50, oral (Rat)

pH

7 (20 °C in H2O, aqueous suspension)

mp

2996 °C

solubility

<0.010 g/L

density

16.6 g/cm3 at 20 °C

bulk density

500 kg/m3

storage temp.

no temp limit

InChI

1S/Ta

InChI key

GUVRBAGPIYLISA-UHFFFAOYSA-N

Analysis Note

Identity (elemental analysis): passes test
Assay: ≥ 98.0 %

Storage Class

4.1B - Flammable solid hazardous materials

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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