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1.00757

Zirconium oxide

Technipur®

Synonym(s):

Zirconia, Zirconium dioxide, Zirconium oxide, Zirconium(IV) oxide

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About This Item

Linear Formula:
ZrO2
CAS Number:
1314-23-4
Molecular Weight:
123.22
NACRES:
NA.21
UNSPSC Code:
12352303
MDL number:
MFCD00011310
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Product Name

Zirconium(IV) oxide, Technipur®

Quality Segment

200

pH

3-4 (20 °C, 50 g/L in H2O, slurry)

bp

5000 °C

mp

2700 °C (lit.)

density

5.89 g/mL at 25 °C (lit.)

SMILES string

O=[Zr]=O

InChI

1S/2O.Zr

InChI key

MCMNRKCIXSYSNV-UHFFFAOYSA-N

General description

Zirconium oxide (ZrO2) is a metal oxide with mechanical strength similar to steel hence referred to as ceramic steel. Some of its other properties include high biocompatibility, chemical inertness, resistance to corrosion, high dielectric constant, large bandgap, and high thermal resistance. Pure zirconia is susceptible to fracture due to phase transformation at elevated temperature which can be overcome by adding stabilizers such as yttria to form yttrium-stabilized zirconia or yttria tetragonal zirconia polycrystals.

Application

Currently, titanium and its alloys are widely used in implant dentistry. But they pose challenges such as potential immunologic response and its dark grayish color which affects the esthetics. The natural white color, mechanical properties, higher osseointegration, and biocompatibility of ZrO2 make it an ideal candidate as a dental biomaterial for implants and crowns compared to titanium-based systems.

The doping of ZrO2 with Ce4+ ions makes it photosensitive to visible light leading to the formation of a 3rd generation photoactive system with potential applications in photocatalysis.

Legal Information

Technipur is a registered trademark of Merck KGaA, Darmstadt, Germany

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Storage Class

11 - Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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