Yttrium oxide - Materials / Alfa Chemistry

NAVIGATION

Yttrium oxide

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Catalog Number

ACMA00021125

Product Name

Yttrium oxide

Category

Y2O3

Description

DryPowder; OtherSolid; PelletsLargeCrystals;DryPowder

IUPAC Name

oxygen(2-);yttrium(3+)

Molecular Weight

225.810g/mol

Molecular Formula

Y2O3

InChI

InChI=1S/3O.2Y/q3*-2;2*+3

InChI Key

RUDFQVOCFDJEEF-UHFFFAOYSA-N

Melting Point

2680

Purity

0.9999

Density

4.8 g/cm³

Application

Yttrium oxide, a white powder or sintered tablet with 99.9% purity, serves multiple crucial purposes. Known for its ability to absorb atmospheric CO2 and possessing an enthalpy of fusion of 105.00 kJ/mol, it is used in its crucible form for specialized melting experiments. Additionally, its sintered components are employed as evaporation material in the creation of hard film dielectric coatings and thin film capacitors. As a sputtering target with purities of up to 99.999%, yttrium oxide is pivotal in the formation of hard films and dielectric coatings. It has played a role in the development of perovskite-type structures and has been instrumental in studying phase formation and sintering characteristics. Furthermore, it is used in the production of neodymium-doped YAG lasers and in components for MOS and LED transistors.

Complexity

Compound Is Canonicalized

Yes

Covalently-Bonded Unit Count

Defined Atom Stereocenter Count

Defined Bond Stereocenter Count

Deprecated CAS

1123577-09-2, 1352121-27-7

EC Number

234-382-7;215-233-5;271-591-2;271-592-8

Exact Mass

225.796420g/mol

Formal Charge

Heavy Atom Count

Hydrogen Bond Acceptor Count

Hydrogen Bond Donor Count

Isotope Atom Count

MeSH Entry Terms

yttria;yttrium oxide;yttrium oxide (Y2O3);yttrium sesquioxide;yttrium trioxide

Monoisotopic Mass

225.796420g/mol

Rotatable Bond Count

RTECS Number

ZG3850000

Topological Polar Surface Area

3Å²

Undefined Atom Stereocenter Count

Undefined Bond Stereocenter Count

UNII

X8071685XT

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