Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

267546

Sigma-Aldrich

Tungsten

foil, thickness 0.25 mm, ≥99.9% trace metals basis

Synonym(s):

W

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
W
CAS Number:
7440-33-7
Molecular Weight:
183.84
EC Number:
231-143-9
MDL number:
MFCD00011461
UNSPSC Code:
12141747
PubChem Substance ID:
24856232
NACRES:
NA.23

Quality Level

100

Assay

≥99.9% trace metals basis

form

foil

resistivity

4.9 μΩ-cm, 20°C

thickness

0.25 mm

bp

5660 °C (lit.)

mp

3410 °C (lit.)

density

19.3 g/mL at 25 °C (lit.)

SMILES string

[W]

InChI

1S/W

InChI key

WFKWXMTUELFFGS-UHFFFAOYSA-N

Quantity

  • 50×50 mm (approximately 12 g)
  • 100×100 mm (approximately 48 g)

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCT1549
MKCV2370
MKCR5237
MKCR4466
MKCQ5427

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 2

1 of 2

Niobium foil, thickness 0.25 mm, 99.8% trace metals basis

Sigma-Aldrich

262781

Niobium

Tungsten powder, 12 μm, 99.9% trace metals basis

Sigma-Aldrich

267511

Tungsten

Michael L Crichton et al.
Biomaterials, 34(8), 2087-2097 (2012-12-25)
The recent emergence of micro-devices for vaccine delivery into upper layers of the skin holds potential for increased immune responses using physical means to target abundant immune cell populations. A challenge in doing this has been a limited understanding of
Weijie Zhao et al.
ACS nano, 7(1), 791-797 (2012-12-22)
Geometrical confinement effect in exfoliated sheets of layered materials leads to significant evolution of energy dispersion in mono- to few-layer thickness regime. Molybdenum disulfide (MoS(2)) was recently found to exhibit indirect-to-direct gap transition when the thickness is reduced to a
Bing Sun et al.
Biosensors & bioelectronics, 44, 48-51 (2013-02-09)
A universal photoelectrochemical (PEC) sensing platform was fabricated based on the composition of protoporphyrin IX (PPIX), tungsten trioxide (WO3) and reduced graphene oxide (rGO) on indium tin oxide (ITO) electrode for detecting cysteine in aqueous solution. The rGO layer was
Katrin Schröder et al.
Free radical biology & medicine, 41(9), 1353-1360 (2006-10-07)
Hyperlipidemia enhances xanthine oxidase (XO) activity. XO is an important source of reactive oxygen species (ROS). Since ROS are thought to promote atherosclerosis, we hypothesized that XO is involved in the development of atherosclerosis. ApoE(-/-) mice were fed a Western-type
Denys Shevchenko et al.
Dalton transactions (Cambridge, England : 2003), 42(14), 5130-5139 (2013-02-14)
A rare example of a "monomeric" triple transition-metal substituted Keggin anion has been synthesized and characterized by various methods including X-ray crystallography, ESI and MALDI mass spectrometry, electrochemistry, EPR, and SQUID.
View All Related Papers

Articles

Combinatorial Materials Science for Energy Apps

Combinatorial Materials Science identifies breakthrough materials through systematic exploration, aiding material discovery.

Combinatorial Materials Science for Energy Apps

Combinatorial Materials Science identifies breakthrough materials through systematic exploration, aiding material discovery.

Combinatorial Materials Science for Energy Apps

Combinatorial Materials Science identifies breakthrough materials through systematic exploration, aiding material discovery.

Combinatorial Materials Science for Energy Apps

Combinatorial Materials Science identifies breakthrough materials through systematic exploration, aiding material discovery.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service