Tantalum powder, <40 μm, 99.9%

Name: Tantalum powder, <40 μm, 99.9%
Brand: Vaqora Chemicals
SKU: VQ-016224

About Tantalum powder, <40 μm, 99.9%

Tantalum powder, below 40 μm is a metal powder carrying the CAS registry number 7440-25-7 with a typical assay of 99.9%. Its molecular formula is Ta and its molecular weight is 180.95 g/mol. The IUPAC name is tantalum.

In its supplied form it is a grey to black powder. Literature values give a melting point of 2996 °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 powder metallurgy, additive manufacturing, chemical synthesis and electronics and thin films. Buyers come mainly from academic and industrial research and metallurgy and mining.

Vaqora Chemicals supplies Tantalum powder, below 40 μm 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, <40 μm, 99.9%
Catalogue No.	VQ-016224
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, <40 μm, 99.9%?

The CAS Registry Number of Tantalum powder, <40 μm, 99.9% is 7440-25-7.

What is the molecular formula and molecular weight of Tantalum powder, <40 μm, 99.9%?

Tantalum powder, <40 μm, 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, <40 μm, 99.9% can I order?

We supply Tantalum powder, <40 μm, 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, <40 μm, 99.9%?

Yes. Every lot of Tantalum powder, <40 μm, 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, <40 μm, 99.9% be shipped internationally?

Yes. Tantalum powder, <40 μm, 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.