Tungsten wire, dia 0.25 mm, 99.95%

Name: Tungsten wire, dia 0.25 mm, 99.95%
Brand: Vaqora Chemicals
SKU: VQ-016647

About Tungsten wire, dia 0.25 mm, 99.95%

Tungsten wire, dia 0.25 mm is a metal wire / rod carrying the CAS registry number 7440-33-7 with a typical assay of 99.95%. Its molecular formula is W and its molecular weight is 183.84 g/mol. The IUPAC name is tungsten.

It is supplied as a wire. Reported physical data include a melting point of 3410 °C and a density of 19.3 g/ml at 25 °C. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Danger” with 2 hazard statements. Review the Safety Data Sheet before use.

Key uses span electrodes and filaments, thermocouples and heating, materials research and molecular biology workflows. Typical end-use sectors are academic and industrial research, metallurgy and mining and electronics and semiconductors.

Standard pack sizes are 10 m and 50 m, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Electrodes & filaments
Thermocouples & heating
Materials research
Molecular biology workflows

Industries

Specifications & identifiers

Chemical identifiers
Product name	Tungsten wire, dia 0.25 mm, 99.95%
Catalogue No.	VQ-016647
CAS Number	7440-33-7
IUPAC name	tungsten
Molecular formula	W
Molecular weight	183.84 g/mol
Exact mass	183.9509
Purity / assay	99.95%
HSN code	81019990
InChIKey	WFKWXMTUELFFGS-UHFFFAOYSA-N
SMILES	[W]
PubChem CID	23964

Physical properties
Physical form	Wire
Appearance	Wire
Melting point	3410 °C
Density	19.3 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
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 7440-33-7

Tungsten chunks, 1-10 mm, 99.95%

CAS: 7440-33-7
Formula: W
MW: 183.84 g/mol

VQ-016942

Tungsten foil, 0.005 mm thick, 99.9%

CAS: 7440-33-7
Formula: W
MW: 183.84 g/mol

VQ-016468

Tungsten foil, 0.05mm thick, 99.95%

CAS: 7440-33-7
Formula: W
MW: 183.84 g/mol

VQ-016469

Tungsten foil, 0.05mm thick, 99.95%+

CAS: 7440-33-7
Formula: W
MW: 183.84 g/mol

VQ-016470

Tungsten foil, 0.1 mm thick, 99.95%

CAS: 7440-33-7
Formula: W
MW: 183.84 g/mol

VQ-016471

Tungsten foil, 0.2 mm thick, 99.9%

CAS: 7440-33-7
Formula: W
MW: 183.84 g/mol

VQ-016472

Tungsten foil, 1.0 mm thick, 99.95%

CAS: 7440-33-7
Formula: W
MW: 183.84 g/mol

VQ-016473

Tungsten nanopowder, APS 100 nm, 99.9%

CAS: 7440-33-7
Formula: W
MW: 183.84 g/mol

VQ-017412

All 21 products with CAS 7440-33-7 →

Frequently asked questions

What is the CAS number of Tungsten wire, dia 0.25 mm, 99.95%?

The CAS Registry Number of Tungsten wire, dia 0.25 mm, 99.95% is 7440-33-7.

What is the molecular formula and molecular weight of Tungsten wire, dia 0.25 mm, 99.95%?

Tungsten wire, dia 0.25 mm, 99.95% has the molecular formula W and a molecular weight of 183.84 g/mol. Its IUPAC name is tungsten.

Which grade and pack sizes of Tungsten wire, dia 0.25 mm, 99.95% can I order?

We supply Tungsten wire, dia 0.25 mm, 99.95% in (99.95%) grade, in 10 m, 50 m packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Tungsten wire, dia 0.25 mm, 99.95%?

Yes. Every lot of Tungsten wire, dia 0.25 mm, 99.95% 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 Tungsten wire, dia 0.25 mm, 99.95% be shipped internationally?

Yes. Tungsten wire, dia 0.25 mm, 99.95% 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.