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Properties

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)

Safety Information

Symbol(GHS): GHS02

Signal word: Danger

Hazard statements: H228

Precautionary statements: P210-P240-P241-P280-P370+P378

Hazard Codes: F,Xi,C

Risk Statements: 17-36/37/38-40-34-20/21/22

Safety Statements: 17-36-26-6-45-36/37/39-27

RIDADR: UN 1383 4.2/PG 1

WGK Germany: -

RTECS: QT9900000

TSCA: Yes

HazardClass: 8

PackingGroup: II

HS Code: 8112993090

Toxicity: LD50 intraperitoneal in mouse: > 10gm/kg

Use

Niobium sputtering target is used in high temperature engineering products. It is also used as an alloying agent for certain steels where it greatly improves the strength of the resulting material. It is also finds applications in atomic reactors due to its corrosion resistance and, when combined with either tin (Nb3Sn) or zirconium, it has a high degree of superconductivity.

You can find NIOBIUM suppliers, manufacturers, and distributors from countries such as China, United States and the India here. Browse to the tetrahydrofuran product information displayed by the supplier, as well as the supplier's contact and capability information.