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
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12141747
EC Number:
231-143-9
MDL number:
assay
≥99.9% trace metals basis
form
wire
reaction suitability
core: tungsten
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
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.
Preparation Note
9.5 g = 10 m; 95 g = 100 m
Storage Class
11 - Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves, type P3 (EN 143) respirator cartridges
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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)
Tungsten fibre-reinforced composites for advanced plasma facing components
Neu R, et al.
Nuclear Materials and Energy, 12(1-2), 1308-1313 (2017)