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Tungsten

Tungsten
Catalog
ACM7440337-33
CAS
7440-33-7
Synonyms
W
Descriptioninsulated wire, 10m, conductor diameter 0.075mm, insulation thickness 0.02mm, PTFE (polytetrafluoroethylene) insulation, 99.9%
IUPAC Nametungsten
Molecular Weight183.84
Molecular FormulaW
Canonical SMILES[W]
InChI1S/W,WFKWXMTUELFFGS-UHFFFAOYSA-N
InChI KeyWFKWXMTUELFFGS-UHFFFAOYSA-N
Boiling Point10701 °F at 760 mm Hg (NIOSH, 2016)
Melting Point3410 °C (lit.)
Purity> 99.99%
Density19.3 (NIOSH, 2016);18.7-19.3 @ 20 °C/4 °C; depends on extent of working.;19.3 g/cm3;19.3
SolubilityInsoluble (NIOSH, 2016);Sol in mixture of nitric acid and hydrofluoric acid;Solubility in water: none;Insoluble
ApplicationSputtering is a process whereby atoms are ejected from a solid target material due to bombardment of the target by energetic particles. The extreme miniaturization of components in the semiconductor and electronics industry requires high purity sputtering targets for thin film deposition.
Storageroom temp
Assay99.95% trace metals basis
Autoignition Temperature>=100 °C
EC Number231-143-9
Formwire
MDL NumberMFCD00011461
Packaging1 ea in rigid mailer
Quality Level100
Vapor Pressure0 mm Hg (approx) (NIOSH, 2016);1.97X10-7 mm Hg @ 2,327 °C;0 mmHg (approx)

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