NIOBIUM

$20 - $8960

Price

Brand	Packaging	Price	Product name
Alfa Aesar 010276	25g	$38.5	Niobium powder, -60 mesh, 99.8% (metals basis excluding Ta), Ta <1%
Alfa Aesar 042846	10g	$38.65	Niobium slug, 3.175mm (0.125in) dia x 6.35mm (0.25in) length, 99.95% (metals basis excluding Ta)
Alfa Aesar 040478	10g	$48.4	Niobium powder, APS 1-5 micron, 99.8% (metals basis)
Alfa Aesar 042845	10g	$50.65	Niobium slug, 3.175mm (0.125in) dia x 3.175mm (0.125in) length, 99.95% (metals basis excluding Ta)
Alfa Aesar 042847	25g	$57.65	Niobium slug, 6.35mm (0.25in) dia x 6.35mm (0.25in) length, 99.95% (metals basis excluding Ta)
Alfa Aesar 040510	10g	$62	Niobium powder, -325 mesh, Puratronic?, 99.99% (metals basis excluding Ta), Ta ≤500ppm
Alfa Aesar 042848	25g	$62.4	Niobium slug, 6.35mm (0.25in) dia x 12.7mm (0.50in) length, 99.95% (metals basis excluding Ta)
Alfa Aesar 010275	25g	$23.7	Niobium powder, -325 mesh, 99.8% (metals basis)
Alfa Aesar 035365	1slug	$74.65	Niobium slug, 6.35mm (0.25in) dia x 12.7mm (0.50in) length, Puratronic?, 99.99% (metals basis excluding Ta), Ta 300ppm
Alfa Aesar 000241	100g	$108	Niobium pieces, 99.8% (metals basis)

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Melting point	2468 °C (lit.)
Boiling point	4742 °C (lit.)
Density	8.57 g/mL at 25 °C (lit.)
storage temp.	-20°C
solubility	insoluble in acid solutions
form	wire
color	Silver-gray
Specific Gravity	8.57
Resistivity	13-16 μΩ-cm, 20°C
Water Solubility	Insoluble in water.
Merck	13,6584
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. Incompatible with strong bases, strong oxidizing agents, halogens, oxygen.
CAS DataBase Reference	7440-03-1(CAS DataBase Reference)
EPA Substance Registry System	Niobium (7440-03-1)