267554
Tungsten
wire, diam. 0.25 mm, ≥99.9% trace metals basis
Synonym(s):
W
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About This Item
Empirical Formula (Hill Notation):
W
CAS Number:
Molecular Weight:
183.84
EC Number:
MDL number:
UNSPSC Code:
12141747
PubChem Substance ID:
NACRES:
NA.23
Quality Level
Assay
≥99.9% trace metals basis
form
wire
resistivity
4.9 μΩ-cm, 20°C
diam.
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
Related Categories
Application
Tungsten (W) wire can be used for a variety of applications such as:
- fabrication of tungsten tips which can be used as field emitters, nanoprobes and scanning tunneling microscope (STM) probes.
- increase of the band gap of amorphous silicon germanium alloy.
- formation of tungsten fibers for potential usage in the lighting industry.
Quantity
9.5 g = 10 m; 95 g = 100 m
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
Regulatory Information
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Tungsten fibre-reinforced composites for advanced plasma facing components
Neu R, et al.
Nuclear Materials and Energy, 12(1-2), 1308-1313 (2017)
Recrystallization of tungsten wire for fabrication of sharp and stable nanoprobe and field-emitter tips
Greiner M and Kruse P
The Review of Scientific Instruments, 78(2), 026104-026104 (2007)
Improving narrow bandgap a-SiGe: H alloys grown by hot-wire chemical vapor deposition
Xu Y, et al.
Thin Solid Films, 430(1-2), 197-201 (2003)
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
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
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