Tantalum powder, -325 mesh, 99.9%

Name: Tantalum powder, -325 mesh, 99.9%
Brand: Vaqora Chemicals
SKU: VQ-016221

About Tantalum powder, -325 mesh, 99.9%

Vaqora Chemicals supplies Tantalum powder, -325 mesh, a metal powder registered under CAS number 7440-25-7, specified at 99.9% purity. Its molecular formula is Ta and its molecular weight is 180.95 g/mol. Its systematic (IUPAC) name is tantalum.

The material typically appears as a grey to black powder. Key physical data: a melting point of 2996 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include powder metallurgy, additive manufacturing, chemical synthesis and electronics and thin films. Typical end-use sectors are academic and industrial research and metallurgy and mining.

Vaqora Chemicals supplies Tantalum powder, -325 mesh in 5 g, 25 g and 100 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Powder metallurgy
Additive manufacturing
Chemical synthesis
Electronics & thin films

Industries

Specifications & identifiers

Chemical identifiers
Product name	Tantalum powder, -325 mesh, 99.9%
Catalogue No.	VQ-016221
CAS Number	7440-25-7
IUPAC name	tantalum
Molecular formula	Ta
Molecular weight	180.95 g/mol
Exact mass	180.948
Purity / assay	99.9%
HSN code	81039000
InChIKey	GUVRBAGPIYLISA-UHFFFAOYSA-N
SMILES	[Ta]
PubChem CID	23956

Physical properties
Physical form	Powder
Appearance	Grey to black powder
Melting point	2996 °C
H-bond donors / acceptors	0 / 0
TPSA	0 Å²

Safety & hazard information (GHS)

Flammable

Signal word: Danger

Hazard statements

H228Flammable solid
H252Self-heating in large quantities, may catch fire

Precautionary statements: P210, P235, P240, P241, P280, P370 + P378, P407, P410, P413, P420

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 7440-25-7

Tantalum chunks, 1-10 mm, 99.95%

CAS: 7440-25-7
Formula: Ta
MW: 180.95 g/mol

VQ-016898

Tantalum chunks, 4-10 mm, 99.999%

CAS: 7440-25-7
Formula: Ta
MW: 180.95 g/mol

VQ-016899

Tantalum chunks, 99.999%

CAS: 7440-25-7
Formula: Ta
MW: 180.95 g/mol

VQ-016900

Puriss

Tantalum crucibles, 99.9%, OD: 10 mm, Thick: 0.5 mm, Height: 15 mm

CAS: 7440-25-7
Formula: Ta
MW: 180.95 g/mol

VQ-018510

Puriss

Tantalum crucibles, 99.95%, OD: 8 mm, Thick: 1 mm, Height: 25 mm

CAS: 7440-25-7
Formula: Ta
MW: 180.95 g/mol

VQ-018511

Tantalum foil, 0.002 mm thick, 99.9%

CAS: 7440-25-7
Formula: Ta
MW: 180.95 g/mol

VQ-016427

Tantalum foil, 0.002 mm thick, 99%

CAS: 7440-25-7
Formula: Ta
MW: 180.95 g/mol

VQ-016426

Tantalum foil, 0.0025 mm thick, 99.9%

CAS: 7440-25-7
Formula: Ta
MW: 180.95 g/mol

VQ-016428

All 21 products with CAS 7440-25-7 →

Frequently asked questions

What is the CAS number of Tantalum powder, -325 mesh, 99.9%?

The CAS Registry Number of Tantalum powder, -325 mesh, 99.9% is 7440-25-7.

What is the molecular formula and molecular weight of Tantalum powder, -325 mesh, 99.9%?

Tantalum powder, -325 mesh, 99.9% has the molecular formula Ta and a molecular weight of 180.95 g/mol. Its IUPAC name is tantalum.

Which grade and pack sizes of Tantalum powder, -325 mesh, 99.9% can I order?

We supply Tantalum powder, -325 mesh, 99.9% in (99.9%) grade, in 5 g, 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tantalum powder, -325 mesh, 99.9%?

Yes. Every lot of Tantalum powder, -325 mesh, 99.9% 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 Tantalum powder, -325 mesh, 99.9% be shipped internationally?

Yes. Tantalum powder, -325 mesh, 99.9% 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.