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Sigma-Aldrich

Yttrium(III) oxide

greener alternative

99.99% trace metals basis

Synonym(s):

Yttria

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About This Item

Linear Formula:
Y2O3
CAS Number:
1314-36-9
Molecular Weight:
225.81
EC Number:
215-233-5
MDL number:
MFCD00011473
UNSPSC Code:
12352303
PubChem Substance ID:
24852309
NACRES:
NA.23

Assay

99.99% trace metals basis

form

powder

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

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mp

2410 °C (lit.)

density

5.01 g/mL at 25 °C (lit.)

greener alternative category

Enabling

SMILES string

O=[Y]O[Y]=O

InChI

1S/3O.2Y

InChI key

SIWVEOZUMHYXCS-UHFFFAOYSA-N

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General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency and is intended for Molecular Solar Thermal Energy Storage Systems (MOST). Click here for more information.
Yttrium oxide is an excellent mineralizing agent for spinel formation. It has a high melting point(2450oC), chemical stability, low coefficient of thermal expansion, high transparency for both visible (70%) and infrared (60%) light, low cut off energy of photons.

Application

Yttrium oxide was used in the preparation of pervoskite type structure, YAlO3, containing chrome ions.1 The effect of yttrium oxide dopant on the phase formation and sintering characteristics was studied. It may be used in the manufacturing of neodymium Nd:YAG lasers and in components of MOS and LED transistors.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Synthesis and Physicochemical Properties of Yttrium Oxide Doped with Neodymium and Lanthanum
Kruk A, et al.
Journal of Electronic Materials, 43(9) (2014)
Influence of yttrium oxide on the phase formation and sintering of ceramics based on the MgAl2O4 spinel
Belousova OL, et al.
Glass Phys. Chem., 34(4), 474-479 (2008)
Masoud Allahkarami et al.
Dental materials : official publication of the Academy of Dental Materials, 27(12), 1279-1284 (2011-10-14)
Chipping failures observed clinically in bilayer systems of porcelain and zirconia restorations should be coupled with a monoclinic to tetragonal phase transformation in the zirconia layer due to the high compressive stress. Phase transformations were mapped using 2D micro X-ray
Eun-Ok Oh et al.
Advanced materials (Deerfield Beach, Fla.), 24(25), 3373-3377 (2012-06-01)
An extremely thin bilayer electrolyte consisting of yttria-stabilized zirconia (YSZ) and gadolinia-doped ceria (GDC) is successfully fabricated on a sintered NiO-YSZ substrate. Major processing flaws are effectively eliminated by applying local constraints to YSZ nanoparticles, and excellent open circuit voltage
Bipin Kumar Gupta et al.
Small (Weinheim an der Bergstrasse, Germany), 8(19), 3028-3034 (2012-07-19)
Highly luminescent-paramagnetic nanophosphors have a seminal role in biotechnology and biomedical research due to their potential applications in biolabeling, bioimaging, and drug delivery. Herein, the synthesis of high-quality, ultrafine, europium-doped yttrium oxide nanophosphors (Y(1.9)O(3):Eu(0.1)(3+)) using a modified sol-gel technique is
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