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Yttrium Oxide

Yttrium Oxide

CAS Number: 1314-36-9

Molecular Formula: O3Y2

Purity: Yttrium Oxide Trem >99.9991%

Y2O3 >99.9991%, >99.9993%, >99.999% Grades

About Yttrium Oxide

Y₂O₃ is a high-purity rare earth oxide widely recognised for its exceptional thermal stability, water insolubility, and performance across advanced ceramic, optical, and electronic applications. This thermodynamically stable white powder is extensively utilised as a critical additive in phosphor manufacturing, yttria-s...

Synonyms

  • Yttriumoxide
  • Ytterium oxide
  • Oxyde d'yttrium
  • Yttrium oxide (x:x)
  • Oxyde d'yttrium (III)
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Yttrium Oxide Specifications

CAS Number
1314-36-9
Molecular Formula
O3Y2
Molecular Weight
225.81 g/mol
IUPAC Name
tris(oxygen(2-));bis(yttrium(3+))
Canonical SMILES
[O-2].[O-2].[O-2].[Y+3].[Y+3]
InChI Key
RUDFQVOCFDJEEF-UHFFFAOYSA-N
InChI
InChI=1S/3O.2Y/q3*-2;2*+3
HSN No
28469090
Melting Point (Experimental)
2430°C
Boiling Point (Experimental)
4300°C (approx)
Density (Experimental)
5.01 g/cm³ (solid) (particles)
Yttrium Oxide purity
Yttrium Oxide Trem >99.9991%
Molecular Weight
225.81 g/mol
Physical appearance
White powder or crystalline solid
Melting Point
2410 °C (lit.)
Boiling Point
4,300 °C
Hazard Classes and Categories
Skin Irrit. 2 (43.6%), Eye Irrit. 2 (36.7%), STOT SE 3 (43.6%)
Precautionary Statement Codes
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 Eye Irrit. 2 (100%)

Yttria-Stabilized Zirconia (YSZ) Manufacturing

Functions as the primary crystal lattice stabiliser for engineering structural zirconia ceramics, milling media, and oxygen sensors, preventing phase transformations to maximise fracture toughness

Semiconductor Plasma Chamber Components

Atmospheric plasma spraying or thin-film deposition to protect internal microchip etching chambers from aggressive halogen plasma erosion

Superalloy Oxide Dispersion Strengthening (ODS)

Fine oxide dispersion agent in nickel- and cobalt-based superalloys to inhibit grain growth and microstructural creep in aerospace gas turbine blades

Advanced Phosphors & Laser Matrices

Vital host matrix and dopant precursor for growing high-index Nd: YAG laser crystals and manufacturing high-efficiency red phosphors for display screens

Precision Optical Glass Modifiers

High-performance lens formulations to increase mechanical durability, elevate the refractive index, and minimise chromatic aberration.

Metallurgical Additive

An additive used in metallurgy to refine grain structures and improve the mechanical properties of metals and alloys

Phosphor Host Material

A host material for rare-earth dopants used to produce red light emission in television picture tubes, fluorescent lamps, and LED lighting

Sintering Aid

A sintering aid for technical ceramics and investment casting to enhance structural integrity and thermal stability

Laser Host Material

A host material for yttrium-aluminum-garnet (YAG) crystals used in medical surgical procedures, industrial cutting, and digital communications

Ceramic Stabilizer

A dopant for the stabilization of zirconia to create yttrium-stabilized zirconia (YSZ) for use in dental ceramics, oxygen sensors, and fuel cell electrolytes

Refractory Component

A component in uranium-resistant refractory ceramics and high-temperature coatings for jet engines and atomic reactors

Optical Additive

An additive for high-purity optical glass and optical coatings to provide infrared transparency and a high refractive index

Electronic Component

A raw material for manufacturing yttrium-iron garnets (YIG) used as microwave filters and magnetic materials in radar and military communications

Antioxidant and Bioimaging Agent

A nanoparticle used in biomedical imaging and as an antioxidant to neutralize reactive oxygen species in therapeutic applications

Chemical Precursor

A starting material in inorganic synthesis for the production of other yttrium compounds and high-performance superconductors

TDS
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COA
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  1. Yttriumoxide
  2. Ytterium oxide
  3. Oxyde d'yttrium
  4. Yttrium oxide (x:x)
  5. Oxyde d'yttrium (III)

Yttrium Oxide FAQs

Minimum Order Quantity

25 kg (pilot) · 1 MT (commercial)

Lead Time

3 – 5 weeks ex-works

Incoterms

FOB · CIF

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

Regional Availability

India · EU · Middle East · Southeast Asia

Documentation

SDS · COA · TDS available on request

Compliance & Quality

REACH registered*

GHS/SDS available

ISO 9001:2015 site*

RoHS compliant*

Global sourcing network

Consistent quality & reliability

End-to-end technical support

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