266795
Hafnium
foil, thickness 0.02 mm, 99.5% trace metals basis (purity excludes ~2% zirconium)
Synonym(s):
Celtium, Hafnium element
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About This Item
Empirical Formula (Hill Notation):
Hf
CAS Number:
Molecular Weight:
178.49
UNSPSC Code:
12352300
PubChem Substance ID:
EC Number:
231-166-4
MDL number:
assay
99.5% trace metals basis (purity excludes ~2% zirconium)
form
foil
resistivity
29.6 μΩ-cm, 0°C
thickness
0.02 mm
bp
4602 °C (lit.)
mp
2227 °C (lit.)
density
13.3 g/cm3 (lit.)
SMILES string
[Hf]
InChI
1S/Hf
InChI key
VBJZVLUMGGDVMO-UHFFFAOYSA-N
Preparation Note
3.8 g = 100 × 150 mm
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Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Regulatory Information
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Célia Lourenço et al.
The journal of physical chemistry. A, 116(51), 12399-12405 (2012-11-29)
Fourier transform ion cyclotron resonance mass spectrometry was used to characterize the gas-phase reactivity of Hf dipositive ions, Hf(2+)and HfO(2+), toward several oxidants: thermodynamically facile O-atom donor N(2)O, ineffective donor CO, and intermediate donors O(2), CO(2), NO, and CH(2)O. The
José Luis Olivares-Romero et al.
Journal of the American Chemical Society, 134(12), 5440-5443 (2012-03-17)
Asymmetric epoxidation of allylic and homoallylic amine derivatives catalyzed by Hf(IV)-bishydroxamic acid complexes is described. Under similar conditions, aldimine and ketimine produced oxaziridines. The sulfonyl group is demonstrated to be an effective directing group for these transformations.
Suresh Kumar Raman Pillai et al.
ACS applied materials & interfaces, 4(12), 7047-7054 (2012-12-01)
The large-scale application of semiconducting single-walled carbon nanotubes (s-SWCNTs) for printed electronics requires scalable, repeateable, as well as noncontaminating assembly techniques. Previously explored nanotube deposition methods include serial methods such as inkjet printing and parallel methods such as spin-coating with