Tantalum

Melting point::

2996 °C (lit.)

Boiling point::

5425 °C (lit.)

Density :

16.69 g/cm3 (lit.)

vapor pressure :

<0.01 mm Hg ( 537.2 °C)

storage temp. :

no restrictions.

solubility :

reacts with HF

form :

wire

color :

Gray to silver

Specific Gravity:

16.6

Resistivity:

13.5 μΩ-cm, 20°C

Water Solubility :

very resistant to attack by acids except HF, resistant to alkali solutions [KIR83]

Merck :

13,9143

Exposure limits:

ACGIH: TWA 0.5 ppm(2.5 mg/m3); Ceiling 2 ppm (Skin)
OSHA: TWA 3 ppm
NIOSH: IDLH 30 ppm(250 mg/m3); TWA 3 ppm(2.5 mg/m3); Ceiling 6 ppm(5 mg/m3)

Stability::

Stable. Powder is very flamable.

InChIKey:

GUVRBAGPIYLISA-UHFFFAOYSA-N

Symbol(GHS) 

GHS02

Signal word 

Danger

Hazard statements 

H228

Precautionary statements 

P210-P240-P241-P280-P370+P378