Tantalum

$30.45 - $6620

Price

Brand	Packaging	Price	Product name
American Custom Chemicals Corporation ING0005054	5G	$818.24	TANTALUM POWDER
ProChem 3398	5kg	$2000	Tantalum,powder,-100MeshProduct#Purity
ProChem 3398	5kg	$2000	Tantalum, powder, -100 Mesh Product # Purity
ProChem 3393	1kg	$1047	Tantalum,pellets,1/4”x1/2”Product#Purity
ProChem 3393	1kg	$1047	Tantalum, pellets, 1/4”x1/2” Product # Purity
ProChem 3393-1	1kg	$1080	Tantalum, pellets, 1/4”x1/4” Product # Purity
ProChem 3393-1	1kg	$1080	Tantalum,pellets,1/4”x1/4”Product#Purity
ProChem 3397	25gm	$40	Tantalum,powder,-325MeshProduct#Purity
ProChem 3397	25gm	$40	Tantalum, powder, -325 Mesh Product # Purity
ProChem 3400	25gm	$40	Tantalum,powder,-60MeshProduct#Purity

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Melting point	2996 °C (lit.)
Boiling point	5425 °C (lit.)
bulk density	500kg/m3
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
PH	7 (20°C in H2O, aqueous suspension)
Flame Color	Blue
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
LogP	-1 at 20℃
Hardness, Vickers	90
Modulus of Elasticity	179 GPa
Poissons Ratio	0.35
Shear Modulus	69.0 GPa
Hardness, Brinell	95, Converted from Vickers for 3000 kg load/10 mm ball Brinell test.
Hardness, Rockwell A	35, Converted from Vickers.
Hardness, Rockwell B	51, Converted from Vickers.
Vickers Microhardness	70 - 80, Electron beam melted, cold rolled, then annealed at 1200°C
Hardness, Rockwell C	12, Converted from Vickers.
CAS DataBase Reference	7440-25-7(CAS DataBase Reference)
EPA Substance Registry System	Tantalum (7440-25-7)