Niobium | CAS No. 7440-03-1

Niobium

Basic Information

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CAS Number

7440-03-1

Molecular Formula

Molecular Weight

92.91 g/mol

Chemical Classification

Basic Chemical Raw Materials Inorganic Chemicals Acids

Basic Physical Properties

Melting Point

2468 °C

Boiling Point

4742 °C

Density

8.57 g/mL at 25 °C

Water Solubility

Insoluble in water.

SMILES

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[Nb]

InChI

InChI=1S/Nb

InChIKey

GUCVJGMIXFAOAE-UHFFFAOYSA-N

LogP

-0.0025

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

Safety Information

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GHS Hazard Pictograms

H250

Hazard Statement

H250 Catches fire spontaneously if exposed to air
Pyrophoric liquids; Pyrophoric solids

Hazard Class

Class 8 Class 8

Stability

Stable. Incompatible with strong bases, strong oxidizing agents, halogens, oxygen.

Sensitiveness

对湿度敏感

Synonyms & References

English

Niobium
Niobium powder
Niobium rod
Niobium slug
Niobium foil
Niobium wire
Niobium pieces
Niobium ICP Standard
Niobium ICP Std.
Niobium standard
1000μg
button
Niobium ingot
NiobiuM rod, 1.27cM (0.5in) dia x 10cM (3.9in) length
NB005850
NB005860
NB005851
NB004200
NB006100
NB007925
NB007935
NB007910
NB007941
NB007942
NB007940
NB007945
NB007930
NB007920
NB005115
NB005120
NB005125

MDL Number

MFCD00016292

Customs Code

8112994000

FAQ

What regulatory guidelines apply to niobium (CAS: 7440-03-1)?

Niobium (CAS: 7440-03-1) is regulated under the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) for health and environmental hazards. It is also covered by REACH regulations in the European Union, which require manufacturers and importers to register chemicals and provide safety data. FDA and EPA may have specific requirements for niobium use in food and environmental applications, respectively.

Are there alternatives to niobium (CAS: 7440-03-1) in synthesis?

Alternatives to niobium (CAS: 7440-03-1) in synthesis include other refractory metals like tantalum or tungsten, which can offer similar properties in certain applications. Other alternatives might include specific alloys or compounds that can provide similar functionality with different processing or cost benefits.

What is the market or research trend for niobium (CAS: 7440-03-1)?

The market for niobium (CAS: 7440-03-1) is driven by its use in superconducting materials, high-strength alloys, and aerospace applications. Research trends focus on improving processing techniques, reducing costs, and exploring new applications in energy storage and structural materials. The trend towards sustainable and high-performance materials is expected to drive further innovation in niobium technology.

How should waste containing niobium (CAS: 7440-03-1) be handled?

Waste containing niobium (CAS: 7440-03-1) should be collected in appropriate containers, labeled, and stored in a secure location. For disposal, niobium-containing waste can often be recycled or treated in specialized facilities. In case of spillage, immediate containment is necessary, followed by chemical neutralization and proper incineration or landfill disposal, adhering to local environmental protection regulations.