Details
Stereochemistry | ACHIRAL |
Molecular Formula | Zr |
Molecular Weight | 91.224 |
Optical Activity | NONE |
Defined Stereocenters | 0 / 0 |
E/Z Centers | 0 |
Charge | 0 |
SHOW SMILES / InChI
SMILES
[Zr]
InChI
InChIKey=QCWXUUIWCKQGHC-UHFFFAOYSA-N
InChI=1S/Zr
Molecular Formula | Zr |
Molecular Weight | 91.224 |
Charge | 0 |
Count |
|
Stereochemistry | ACHIRAL |
Additional Stereochemistry | No |
Defined Stereocenters | 0 / 0 |
E/Z Centers | 0 |
Optical Activity | NONE |
Zirconium is a hard, silvery metal that is very resistant to corrosion. Zirconium orthopedic hip replacements have shown superior wear-resistance over other systems; however, risk of catastrophic fracture remains a concern. In dentistry, zirconium has been widely adopted for endosseous implants, implant abutments, and all-ceramic crowns. Because of an increasing demand for esthetically pleasing dental restorations, zirconia-based ceramic restorations have become one of the dominant restorative choices.
Originator
Curator's Comment: Gems that contain zirconium were known in ancient times as zircon. In 1789, the German chemist, Martin Klaproth analysed a zircon and separated zirconium in the form of its ‘earth’ zirconia, which is the oxide ZrO2.
Klaproth failed to isolate the pure metal itself, and Humphry Davy also failed when he tried electrolysis in 1808. It was not until 1824 that the element was isolated, when the Swedish chemist Jöns Berzelius heated potassium hexafluorozirconate (K2ZrF6) with potassium metal and obtained some zirconium as a black powder.
Totally pure zirconium was only produced in 1925 by the Dutch chemists Anton Eduard van Arkel and Jan Hendrik de Boer by the decomposition of zirconium tetraiodide (ZrI4). These days the metal is produced in bulk by heating zirconium tetrachloride (ZrCl4) with magnesium.
Approval Year
PubMed
Title | Date | PubMed |
---|---|---|
Maintenance of alveolitis in patients with chronic beryllium disease by beryllium-specific helper T cells. | 1989 Apr 27 |
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Endotoxin up-regulates interleukin-18: potential role for gram-negative colonization in sarcoidosis. | 2005 Nov 15 |
|
Metal ions affecting the skin and eyes. | 2011 |
Substance Class |
Chemical
Created
by
admin
on
Edited
Fri Dec 15 19:19:12 UTC 2023
by
admin
on
Fri Dec 15 19:19:12 UTC 2023
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Record UNII |
C6V6S92N3C
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Record Status |
Validated (UNII)
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76658-4
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DSLD |
1251 (Number of products:30)
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C6V6S92N3C
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1534771
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231-176-9
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7440-67-7
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23995
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33342
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2528
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m11643
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C6V6S92N3C
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DTXSID0049818
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Zirconium
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300000024971
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D015040
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