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Zirconium dioxide

Basic information Oral Biomaterials Uses Safety Supplier Related

Zirconium dioxide Basic information

Product Name:
Zirconium dioxide
Synonyms:
  • Zirconium(IV) oxide, Puratronic (metals basis)
  • Zirconium(IV) oxide, Spectrographic Grade, 99.96% min (metals basis)
  • Zirconium(IV) oxide, 99% (metals basis excluding Hf)
  • Zirconium(IV) oxide, 99.7% (metals basis excluding Hf), Hf <75ppm
  • Zirconium(IV) oxide, 99+% (metals basis excluding Hf), HfO2 2%
  • Zirconium(IV) oxide, 99.5% (metals basis excluding Hf), Hf <100ppm
  • Zirconium(IV) oxide, 20% in H2O, colloidal dispersion
  • Zirconium(IV) oxide, Puratronic(R), 99.978% (metals basis)
CAS:
1314-23-4
MF:
O2Zr
MW:
123.22
EINECS:
215-227-2
Product Categories:
  • metal oxide
  • 40: Zr
  • Biocompatible Ceramics
  • and Other Ceramics
  • Biomaterials
  • Catalysis and Inorganic Chemistry
  • Inorganics
  • Chemical Synthesis
  • Materials Science
  • Metal and Ceramic Science
  • Nanoparticles: Oxides
  • Nanopowders and Nanoparticle Dispersions
  • construction
  • Pyridines
  • 40: Zr
  • Catalysis and Inorganic Chemistry
  • Materials Science
  • Nanomaterials
  • Nanoparticles: Oxides, Nitrides, and Other CeramicsChemical Synthesis
  • Nanopowders and Nanoparticle Dispersions
  • Oxides
  • ZirconiumMetal and Ceramic Science
  • ZirconiumNanomaterials
  • Biocompatible CeramicsMaterials Science
  • Biocompatible/Biodegradable Materials
  • Nitrides
  • Zirconium
Mol File:
1314-23-4.mol
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Zirconium dioxide Chemical Properties

Melting point:
2700 °C(lit.)
Boiling point:
5000 °C(lit.)
Density 
5.89 g/mL at 25 °C(lit.)
Flash point:
5000°C
solubility 
insoluble
form 
powder
Specific Gravity
5.89
color 
White
PH
4-5
Water Solubility 
insoluble
Merck 
14,10180
Exposure limits
ACGIH: TWA 5 mg/m3; STEL 10 mg/m3
NIOSH: IDLH 25 mg/m3; TWA 5 mg/m3; STEL 10 mg/m3
Stability:
Stable.
InChIKey
RVTZCBVAJQQJTK-UHFFFAOYSA-N
CAS DataBase Reference
1314-23-4(CAS DataBase Reference)
NIST Chemistry Reference
Zirconium dioxide(1314-23-4)
EPA Substance Registry System
Zirconium oxide (1314-23-4)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36/37-39-36
HS Code 
28256000

MSDS

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Zirconium dioxide Usage And Synthesis

Oral Biomaterials

Crystalline zirconium dioxide (zirconium oxide), ZrO2, called zirconia (not to be confused with zircon, which is a mineral, and Zirkon™, which is a product in the market) is manufactured for use as a white pigment from minerals by conversion to Zr(SO4)2, followed by hydrolysis. ZrO2 is used also as a refractory material (crucibles, furnace lining), and it is insoluble in water, only slightly soluble in HCl and HNO3, and, however, slowly soluble in HF upon heating with 66% H2SO4.

Zirconia is considered one of the best currently known biocompatible ceramic materials along with the metallic titanium.
Zirconium dioxide, or zirconia, ZrO2, is the word in presentday dentistry. We may say that zirconia is a material of choice in contemporary restorative dentistry for several reasons. Moreover, restorative dentistry is about adhesion promotion and about durable bonding of restorations. Zirconia has found wide applications in dental restorations, such as bridges, crowns, dental implant abutments, and full dental implant systems.
Zirconia caught attraction due its superior mechanical properties as superior flexure strength (which is 1200 MPa compared to 1000 MPa for steel), high fracture toughness, high hardness, excellent fatigue, and damage resistance. The material is resistant to chemical attacks and does not react easily with strong acids, alkalis, or other corrosive material. Regarding its physical properties, ZrO2 is a white and opaque material that does not dissolve or react with water and other solvents. It is an excellent thermal and chemical insulator and is used in fuel cells.

Uses

Zirconium dioxide (ZrO2) as an abrasive is used to make grinding wheels and special sandpaper. It is also used in ceramic glazes, in enamels, and for lining furnaces and hightemperature molds. It resists corrosion at high temperatures, making it ideal for crucibles and other types of laboratory ware. ZrO2 is used as a "getter" to remove the last trace of air when producing vacuum tubes.

Chemical Properties

Heavy, white, amorphous powder. Mohs hardness 6.5, refr index 2.2. Insoluble in water and most acids or alkalies at room temperature; soluble in nitric acid and hot concentrated hydrochloric, hydrofluoric, and sulfuric acids. Most heat resistant of commercial refractories; dielectric.

Chemical Properties

Zirconium dioxide is a white, amorphous powder, insoluble in water but slightly soluble in acid.

Physical properties

White, heavy, amorphous powder or monoclinic crystals; refractive index 2.13; density 5.68 g/cm3; Mohs hardness 6.5; transforms to tetragonal structure above 1,100°C and cubic form above 1,900°C; melts at 2,710°C and vaporizes at about 4,300°C; insoluble in water; soluble in hydrofluoric acid and hot sulfuric, nitric and hydrochloric acids.

Uses

Lanthanum-modified lead zirconate titanate (PLZT) fibers with a diameter of around 300 microns were produced by a thermoplastic processing method. The main use of zirconia is in the production of ceramics with other uses including as a protective coating on particles of titanium dioxide pigments, as a refractory material, in insulation, abrasives and enamels. Stabilized zirconia is used in oxygen sensors and fuel cell membranes because it has the ability to allow oxygen ions to move freely through the crystal structure at high temperatures. This high ionic conductivity (and a low electronic conductivity) makes it one of the most useful electroceramics.Zirconium dioxide is also used as the solid electrolyte in electrochromic devices. Zirconia is a precursor to the electroceramic lead zirconate titanate (PZT), which is a high-K dielectric, which is found in myriad components.

Uses

Zirconium oxide occurs in nature as the mineral baddeleyite. The oxide has many industrial applications. It is used as a refractory material. It is used in making highly reflective glazes for ceramics, glasses, linings of metallurgical furnaces, crucibles, and laboratory equipment. The oxide is used to produce oxyhydrogen and incandescent lights. Other uses are in producing piezoelectric crystals, heat-resistant fibers, and high-frequency induction coils. The hydrous oxide is used in treating dermatitis resulting from poison ivy.

Uses

Instead of lime for the oxyhydrogen light; with earths of the yttrium group in incandescent lighting (Nernst lamps); as pigment, abrasive; manufacture of enamels, white glass, refractory crucibles, and furnace linings.

Uses

Zirconium oxide (ZrO2) is the most common compound of zirconium found in nature. It has many uses, including the production of heat-resistant fabrics and high-temperature electrodes and tools, as well as in the treatment of skin diseases. The mineral baddeleyite (known as zirconia or ZrO2) is the natural form of zirconium oxide and is used to produce metallic zirconium by the use of the Kroll process. The Kroll process is used to produce titanium metal as well as zirconium. The metals, in the form of metallic tetrachlorides, are reduced with magnesium metal and then heated to “red-hot” under normal pressure in the presence of a blanket of inert gas such as helium or argon.

Preparation

Zirconium oxide occurs in nature as mineral baddeleyite. Ore is mined from natural deposits and subjected to concentration and purifcation by various processes. The oxide, however, is more commonly obtained as an intermediate in recovering zirconium from zircon, ZrSiO4 (See Zirconium, Recovery).
Also, the oxide may be prepared in the laboratory by thermal decomposition of zirconium hydroxide or zirconium carbonate:
Zr(OH)4 → ZrO2 + 2H2O
Zr(CO3)2 → ZrO2 + 2CO2

General Description

Zirconium(IV) oxide (ZrO2) which is also known as zirconia is a ceramic nanoparticle that can be used as a nano-filler. It can be incorporated in a variety of polymer and metal composites to improve the thermo-mechanical properties of the base material.

Industrial uses

There are several types of zirconia: a pure(monoclinic) oxide and a stabilized (cubic)form, and a number of variations such asyttria- and magnesia-stabilized zirconia andnuclear grades. Stabilized zirconia has a highmelting point, about 2760°C, low thermal conductivity,and is generally unaffected by oxidizingand reducing atmospheres and mostchemicals. Yttria- and magnesia-stabilized zirconiasare widely used for equipment and vesselsin contact with liquid metals. Monoclinicnuclear zirconia is used for nuclear fuel elements,reactor hardware, and related applicationswhere high purity (99.7%) is needed.Zirconia has the distinction of being an electricalinsulator at low temperatures, graduallybecoming a conductor as temperaturesincrease.

Carcinogenicity

To simulate the chronic alpha radiation of Thorotrast, the liver of female Wistar rats was exposed to fractionated neutron irradiation at 14-day intervals (0.2Gy per fraction) over 2 years to a total dose of 10.0Gy. Before the start of irradiation, half of the animals received 120 mL of nonradioactive Zirconotrast (ZrO2), which is comparable to Thorotrast in all other physical and chemical properties. The first liver tumor was detected 1 year after the beginning of irradiation. At the end of the life span study, the incidence of irradiated animals with liver tumors was about 40%. In the animals treated additionally with ZrO2, the incidence, time of onset, and overall number of liver tumors were nearly equal, indicating that the fractionated neutron irradiation was the exclusive cause of tumor development. The lifelong-deposited ZrO2 colloid had no influence on tumor induction or development. Histological types of benign and malignant liver tumors seen in this study were the same as those seen in animals treated with Thorotrast.

Zirconium dioxide Supplier

Aikon International Limited Gold
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025-58859352 18068836627
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Shanghai Yunfu Nano Technology Co., Ltd Gold
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18964169089
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Shanghai bike new material technology co., LTD Gold
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021-34790086 17317635738
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Shandong Desheng New Material Co. Ltd Gold
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400-0272677 18905378699
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Shanghai klamar Reagent Co., LTD Gold
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4001650900 18721528161
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3003951591@qq.com