Niobium powder, 99.5%

Name: Niobium powder, 99.5%
Brand: Vaqora Chemicals
SKU: VQ-016168

About Niobium powder, 99.5%

Listed under CAS 7440-03-1, Niobium powder is a metal powder available from Vaqora Chemicals, specified at ≥99.5% purity. With the molecular formula Nb, it has a molar mass of 92.91 g/mol. The IUPAC name is niobium. Common synonyms include Columbium.

It is supplied as a powder. Key physical data: a melting point of 2468 °C and a boiling point of 4742 °C. Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include powder metallurgy, additive manufacturing and chemical synthesis. It is used across academic and industrial research and metallurgy and mining.

Vaqora Chemicals supplies Niobium powder in 10 g, 25 g, 100 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Powder metallurgy
Additive manufacturing
Chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Niobium powder, 99.5%
Catalogue No.	VQ-016168
CAS Number	7440-03-1
IUPAC name	niobium
Molecular formula	Nb
Molecular weight	92.91 g/mol
Exact mass	92.9064
Purity / assay	≥99.5%
HSN code	81129200
InChIKey	GUCVJGMIXFAOAE-UHFFFAOYSA-N
SMILES	[Nb]
PubChem CID	23936

Physical properties
Physical form	Powder
Appearance	Powder
Melting point	2468 °C
Boiling point	4742 °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, 4-10 mm, 99.999%

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

VQ-016854

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

All 21 products with CAS 7440-03-1 →

Frequently asked questions

What is the CAS number of Niobium powder, 99.5%?

The CAS Registry Number of Niobium powder, 99.5% is 7440-03-1. It is also known as Columbium.

What is the molecular formula and molecular weight of Niobium powder, 99.5%?

Niobium powder, 99.5% 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 powder, 99.5% can I order?

We supply Niobium powder, 99.5% in (≥99.5%) grade, in 10 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Niobium powder, 99.5%?

Yes. Every lot of Niobium powder, 99.5% 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 powder, 99.5% be shipped internationally?

Yes. Niobium powder, 99.5% 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.