Niobium chunks, 4-10 mm, 99.999%

Name: Niobium chunks, 4-10 mm, 99.999%
Brand: Vaqora Chemicals
SKU: VQ-016854

About Niobium chunks, 4-10 mm, 99.999%

Vaqora Chemicals supplies Niobium chunks, 4-10 mm, a high-purity metal registered under CAS number 7440-03-1, specified at 99.999% purity. Formula Nb, molecular weight 92.91 g/mol. Systematically, it is named niobium. Alternative names: Columbium.

It is supplied as chunks. Literature values give a melting point of 2468 °C and a density of 8.57 g/mL at 25 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span alloy preparation, evaporation sources and materials research. Our customers for this product work in academic and industrial research and metallurgy and mining.

Standard pack sizes are 100 g, 500 g and 5 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Alloy preparation
Evaporation sources
Materials research

Industries

Specifications & identifiers

Chemical identifiers
Product name	Niobium chunks, 4-10 mm, 99.999%
Catalogue No.	VQ-016854
CAS Number	7440-03-1
IUPAC name	niobium
Molecular formula	Nb
Molecular weight	92.91 g/mol
Exact mass	92.9064
Purity / assay	99.999%
HSN code	81129200
InChIKey	GUCVJGMIXFAOAE-UHFFFAOYSA-N
SMILES	[Nb]
PubChem CID	23936

Physical properties
Physical form	Solid
Appearance	Chunks
Melting point	2468 °C
Density	8.57 g/mL at 25 °C
H-bond donors / acceptors	0 / 0
TPSA	0 Å²

Safety & hazard information (GHS)

Flammable

Signal word: Danger

Hazard statements

H228Flammable solid

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

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 7440-03-1

Niobium chunks, 1-10 mm, 99.95%

CAS: 7440-03-1
Formula: Nb
MW: 92.91 g/mol

VQ-016853

Niobium chunks, 99.999%

CAS: 7440-03-1
Formula: Nb
MW: 92.91 g/mol

VQ-016855

Niobium foil, 0.1 mm thick, 99.9%+

CAS: 7440-03-1
Formula: Nb
MW: 92.91 g/mol

VQ-016395

Niobium foil, 0.25 mm thick, 99.9%+

CAS: 7440-03-1
Formula: Nb
MW: 92.91 g/mol

VQ-016396

Niobium foil, 1.5 mm thick, 99.9%

CAS: 7440-03-1
Formula: Nb
MW: 92.91 g/mol

VQ-016397

Niobium micro powder, APS 40-50 µm, 99.9%

CAS: 7440-03-1
Formula: Nb
MW: 92.91 g/mol

VQ-017365

Niobium nanopowder APS 60-80 nm, 99.8%

CAS: 7440-03-1
Formula: Nb
MW: 92.91 g/mol

VQ-017366

Niobium nanopowder, APS 40-60 nm, 99.8%

CAS: 7440-03-1
Formula: Nb
MW: 92.91 g/mol

VQ-017367

All 21 products with CAS 7440-03-1 →

Frequently asked questions

What is the CAS number of Niobium chunks, 4-10 mm, 99.999%?

The CAS Registry Number of Niobium chunks, 4-10 mm, 99.999% is 7440-03-1. It is also known as Columbium.

What is the molecular formula and molecular weight of Niobium chunks, 4-10 mm, 99.999%?

Niobium chunks, 4-10 mm, 99.999% has the molecular formula Nb and a molecular weight of 92.91 g/mol. Its IUPAC name is niobium.

Which grade and pack sizes of Niobium chunks, 4-10 mm, 99.999% can I order?

We supply Niobium chunks, 4-10 mm, 99.999% in (99.999%) grade, in 100 g, 500 g, 5 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Niobium chunks, 4-10 mm, 99.999%?

Yes. Every lot of Niobium chunks, 4-10 mm, 99.999% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Niobium chunks, 4-10 mm, 99.999% be shipped internationally?

Yes. Niobium chunks, 4-10 mm, 99.999% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.