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Yttrium oxide

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Yttrium oxide Basic information
Yttrium oxide Chemical Properties
  • Melting point:2410 °C
  • Boiling point:81-83 °C
  • Density 5.01 g/mL at 25 °C(lit.)
  • Flash point:12 °C
  • storage temp. Storage temperature: no restrictions.
  • form nanopowder
  • color White
  • Specific Gravity5.01
  • PH10±1
  • Water Solubility Insoluble
  • Sensitive Air Sensitive
  • Merck 14,10107
  • InChIKeySIWVEOZUMHYXCS-UHFFFAOYSA-N
  • CAS DataBase Reference1314-36-9(CAS DataBase Reference)
  • EPA Substance Registry SystemYttrium oxide (Y2O3) (1314-36-9)
Safety Information
MSDS
Yttrium oxide Usage And Synthesis
  • Physical PropertiesWhite powder; body-centered cubic structure; density 5.03 g/cm3; melts at 2,436°C; insoluble in water; soluble in dilute acids.
  • UsesYttrium Oxide, also called Yttria, high purity Yttrium Oxides are the most important materials for tri-bands Rare Earth phosphors which give the red colour in colour television & computer tubes. In optical industry, the Yttrium Oxide is used to produce Yttrium-Iron-Garnets, which are very effective microwave filters. Low purity of Yttrium Oxide are widely applied in electronic ceramics. It is widely used to make Eu:YVO4 and Eu:Y2O3 phosphors that give the red color in color TV picture tubes.
    Also, it is used in gas mantles and acetylene lights. Other uses are in yttriumiron garnets for microwave filters in lasers, and as a stabilizer for high temperature in refractories.
  • PreparationYttrium oxide is produced as an intermediate in recovery of yttrium from xenotime and monazite (See Yttrium, Recovery). The oxide is produced after separation of rare earth sulfates obtained from digesting the mineral with sulfuric acid on a cation exchange bed, precipitating yttrium fraction as oxalate, and igniting the oxalate at 750°C.
    Yttrium oxide also may be obtained by thermal decomposition of yttrium nitrate.
  • Chemical Propertieswhite powder(s) or sintered tablets and pieces of 99.9% purity; bcc; readily absorbs atmospheric CO2; enthalpy of fusion 105.00 kJ/mol; used in crucible form for experimental, proprietary melting, also sintered pieces used as evaporation material for hard film dielectric coating and thin film capacitors, and as 99.999%, 99.99%, 99.9% pure sputtering target for preparing hard films, dielectric coatings, and thin film capacitor [CER91] [MER06] [CRC10]
  • Uses
    Industry
    Application
    Role/benefit
    Gas lighting
    Manufacture of gas mantles
    Effective component/has extremely high temperature stability
    Inorganic synthesis
    Manufacture of Yttrium compounds
    Raw material/source of Yttrium
    Ceramic
    Manufacture of pure ceramic
    Raw material or additive/has extremely high temperature stability and outstanding resistance to alkaline melts
    Manufacture of other ceramic material (Si3N4, AlN, ZrO2, etc.)
    Multilayer ceramic capacitors
    Display materials
    Color TV picture tubes
    Additive material/used as raw material to make Eu:YVO4 and Eu:Y2O3 phosphors that give the red color
    Field-emission displays
    Plasma display panels
    Flat-panel displays
    Cathode ray tube screens
    Insulator
    Insulator coating
    Effective component/extremely thermodynamically stable and resistant to many reactive molten metals
    Laminated insulator
    Nuclear technology
    Coating material for graphite in nuclear technology
    Main component/extremely thermodynamically stable
    Diluting uranium oxide for nuclear fuel rods
    Diluting agent/ Yttrium oxide can form a solid solution with uranium oxide
    Refractory
    Coating material for high-temperature applications
    Main component/extremely thermodynamically stable
    Others
    Manufacture of steel, non-ferrous alloys and iron
    Additive/extremely thermodynamically stable
    Manufacture of IR and UV translucent glass
    Manufacture of high-temperature superconductors
    Preparation of permanent magnets
    Additive
    Prospective solid-state laser material
    Dopant / lasers with ytterbium allow the efficient operation both in continuous operation and in pulsed regimes
    Making Yttrium iron garnets for powerful microwave filters
    Raw material/source of Yttrium
    Ultrafast sensors used in g-ray and x-rays
    Additive
    Paints and plastics
    Additive/decreases UV degradation
  • Safety ProfileA poison by intraperitoneal route. See also YTTRIUM and RARE EARTHS.
  • References1.https://en.wikipedia.org/wiki/Yttrium(III)_oxide#Use
    2.https://www.hcstarck.com/en/products/advanced_ceramics/yttrium_oxide.html
    3.https://www.azonano.com/article.aspx?ArticleID=3345
    4.http://www.samaterials.com/content/177-what-is-yttrium-oxide-used-for
    5.http://www.us-nano.com/inc/sdetail/10054
    6.http://www.horiba.com/fileadmin/uploads/Scientific/Documents/PSA/Application_Notes/AN33_Yttrium_oxide.pdf
    7.http://www.chemicalbook.com/productchemicalpropertiescb2780546.htm
Yttrium oxide Preparation Products And Raw materials
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