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Yttrium oxide

PubChem CID
159374
Structure
Yttrium oxide_small.png
Molecular Formula
Synonyms
  • Yttrium oxide
  • 1314-36-9
  • Yttrium oxide (Y2O3)
  • Yttria
  • Yttrium trioxide
Molecular Weight
225.810 g/mol
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Dates
  • Create:
    2005-08-08
  • Modify:
    2025-01-11

1 Structures

1.1 2D Structure

Chemical Structure Depiction
Yttrium oxide.png

1.2 3D Status

Conformer generation is disallowed since MMFF94s unsupported element, mixture or salt

2 Names and Identifiers

2.1 Computed Descriptors

2.1.1 IUPAC Name

oxygen(2-);yttrium(3+)
Computed by Lexichem TK 2.7.0 (PubChem release 2021.10.14)

2.1.2 InChI

InChI=1S/3O.2Y/q3*-2;2*+3
Computed by InChI 1.0.6 (PubChem release 2021.10.14)

2.1.3 InChIKey

RUDFQVOCFDJEEF-UHFFFAOYSA-N
Computed by InChI 1.0.6 (PubChem release 2021.10.14)

2.1.4 SMILES

[O-2].[O-2].[O-2].[Y+3].[Y+3]
Computed by OEChem 2.3.0 (PubChem release 2024.12.12)

2.2 Molecular Formula

O3Y2
Computed by PubChem 2.2 (PubChem release 2021.10.14)

2.3 Other Identifiers

2.3.1 CAS

1314-36-9
11130-29-3

2.3.2 Deprecated CAS

1123577-09-2, 1352121-27-7, 2521566-60-7, 2706548-41-4
11130-29-3

2.3.3 European Community (EC) Number

2.3.4 UNII

2.3.5 DSSTox Substance ID

2.3.6 Wikidata

2.3.7 Wikipedia

2.4 Synonyms

2.4.1 MeSH Entry Terms

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

2.4.2 Depositor-Supplied Synonyms

3 Chemical and Physical Properties

3.1 Computed Properties

Property Name
Molecular Weight
Property Value
225.810 g/mol
Reference
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Property Name
Hydrogen Bond Donor Count
Property Value
0
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Hydrogen Bond Acceptor Count
Property Value
3
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Rotatable Bond Count
Property Value
0
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Exact Mass
Property Value
225.796420 Da
Reference
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Property Name
Monoisotopic Mass
Property Value
225.796420 Da
Reference
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Property Name
Topological Polar Surface Area
Property Value
3 Ų
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Heavy Atom Count
Property Value
5
Reference
Computed by PubChem
Property Name
Formal Charge
Property Value
0
Reference
Computed by PubChem
Property Name
Complexity
Property Value
0
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Isotope Atom Count
Property Value
0
Reference
Computed by PubChem
Property Name
Defined Atom Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Undefined Atom Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Defined Bond Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Undefined Bond Stereocenter Count
Property Value
0
Reference
Computed by PubChem
Property Name
Covalently-Bonded Unit Count
Property Value
5
Reference
Computed by PubChem
Property Name
Compound Is Canonicalized
Property Value
Yes
Reference
Computed by PubChem (release 2021.10.14)

3.2 Experimental Properties

3.2.1 Physical Description

Dry Powder, Other Solid; Dry Powder
Dry Powder; Pellets or Large Crystals
White solid insoluble in water; [Sax]

3.3 SpringerMaterials Properties

3.4 Chemical Classes

Metals -> Rare Earth Metals

4 Spectral Information

4.1 Raman Spectra

1 of 2
Catalog Number
204927
Copyright
Copyright © 2017-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2017-2024 John Wiley & Sons, Inc. All Rights Reserved.
Thumbnail
Thumbnail
2 of 2
Catalog Number
205168
Copyright
Copyright © 2017-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2017-2024 John Wiley & Sons, Inc. All Rights Reserved.
Thumbnail
Thumbnail

6 Chemical Vendors

7 Drug and Medication Information

7.1 FDA National Drug Code Directory

7.2 Drug Labels

Homeopathic product and label

8 Use and Manufacturing

8.1 Uses

Sources/Uses
Used in an alloy with europium for color TV phosphors, in yttrium-iron garnets for microwave filters, and in refractories with zirconia and silicon nitride; [Hawley]
Hawley - Lewis RJ. _Hawley's Condensed Chemical Dictionary, _15th Ed. New York: John Wiley & Sons, 2007.

8.1.1 Industry Uses

  • Process regulators
  • Catalyst
  • Conductive agent
  • Dispersing agent
  • Stabilizing agent
  • Abrasives
  • Paint additives and coating additives not described by other categories

8.1.2 Consumer Uses

Catalyst
  • Abrasives
  • Paint additives and coating additives not described by other categories

8.2 U.S. Production

Aggregated Product Volume

2019: 500,000 - <1,000,000 lb

2018: 500,000 - <1,000,000 lb

2017: 500,000 - <1,000,000 lb

2016: 500,000 - <1,000,000 lb

Aggregated Product Volume

2019: 374,532 lb

2018: 118,041 lb

2017: 138,871 lb

2016: 115,378 lb

8.3 General Manufacturing Information

Industry Processing Sectors
  • Fabricated Metal Product Manufacturing
  • Petroleum Refineries
  • Paint and Coating Manufacturing
  • Machinery Manufacturing
  • Transportation Equipment Manufacturing
  • Miscellaneous Manufacturing
Industry Processing Sectors
  • Miscellaneous Manufacturing
  • Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing)
EPA TSCA Commercial Activity Status
Yttrium oxide (Y2O3): ACTIVE
EPA TSCA Commercial Activity Status
Yttrium oxide: ACTIVE

9 Safety and Hazards

9.1 Hazards Identification

9.1.1 GHS Classification

1 of 3
View All
Note
Pictograms displayed are for 51.6% (274 of 531) of reports that indicate hazard statements. This chemical does not meet GHS hazard criteria for 48.4% (257 of 531) of reports.
Pictogram(s)
Irritant
Signal
Warning
GHS Hazard Statements

H315 (45%): Causes skin irritation [Warning Skin corrosion/irritation]

H319 (37.9%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

H335 (45%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

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

(The corresponding statement to each P-code can be found at the GHS Classification page.)

ECHA C&L Notifications Summary

Aggregated GHS information provided per 531 reports by companies from 15 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Reported as not meeting GHS hazard criteria per 257 of 531 reports by companies. For more detailed information, please visit ECHA C&L website.

There are 13 notifications provided by 274 of 531 reports by companies with hazard statement code(s).

Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown.

9.1.2 Hazard Classes and Categories

Skin Irrit. 2 (45%)

Eye Irrit. 2 (37.9%)

STOT SE 3 (45%)

Aquatic Chronic 4 (100%)

9.1.3 Hazards Summary

By the intraperitoneal route, it is a poison. [Sax] A skin irritant; [MSDSonline] See Yttrium. See RARE EARTH METALS and linked occupational diseases.

9.2 Exposure Control and Personal Protection

9.2.1 Permissible Exposure Limit (PEL)

1.0 [mg/m3], as Y

9.2.2 Threshold Limit Values (TLV)

1.0 [mg/m3], as Y

9.3 Regulatory Information

The Australian Inventory of Industrial Chemicals
Chemical: Yttrium oxide (Y2O3)
REACH Registered Substance
New Zealand EPA Inventory of Chemical Status
Yttrium oxide (Y2O3): Does not have an individual approval but may be used under an appropriate group standard

10 Toxicity

10.1 Toxicological Information

10.1.1 Adverse Effects

Fibrogenic - Inducing tissue injury and fibrosis (scarring).

10.1.2 Acute Effects

11 Literature

11.1 Consolidated References

11.2 NLM Curated PubMed Citations

11.3 Chemical Co-Occurrences in Literature

11.4 Chemical-Gene Co-Occurrences in Literature

11.5 Chemical-Disease Co-Occurrences in Literature

12 Patents

12.1 Depositor-Supplied Patent Identifiers

12.2 Chemical Co-Occurrences in Patents

12.3 Chemical-Disease Co-Occurrences in Patents

12.4 Chemical-Gene Co-Occurrences in Patents

13 Classification

13.1 MeSH Tree

13.2 ChemIDplus

13.3 UN GHS Classification

13.4 NORMAN Suspect List Exchange Classification

13.5 EPA DSSTox Classification

13.6 EPA TSCA and CDR Classification

13.7 EPA Substance Registry Services Tree

13.8 MolGenie Organic Chemistry Ontology

14 Information Sources

  1. Australian Industrial Chemicals Introduction Scheme (AICIS)
  2. CAS Common Chemistry
    LICENSE
    The data from CAS Common Chemistry is provided under a CC-BY-NC 4.0 license, unless otherwise stated.
    https://creativecommons.org/licenses/by-nc/4.0/
  3. ChemIDplus
    ChemIDplus Chemical Information Classification
    https://pubchem.ncbi.nlm.nih.gov/source/ChemIDplus
  4. EPA Chemical Data Reporting (CDR)
    LICENSE
    The U.S. Government retains a nonexclusive, royalty-free license to publish or reproduce these documents, or allow others to do so, for U.S. Government purposes. These documents may be freely distributed and used for non-commercial, scientific and educational purposes.
    https://www.epa.gov/web-policies-and-procedures/epa-disclaimers#copyright
  5. EPA Chemicals under the TSCA
    EPA TSCA Classification
    https://www.epa.gov/tsca-inventory
  6. EPA DSSTox
    CompTox Chemicals Dashboard Chemical Lists
    https://comptox.epa.gov/dashboard/chemical-lists/
  7. European Chemicals Agency (ECHA)
    LICENSE
    Use of the information, documents and data from the ECHA website is subject to the terms and conditions of this Legal Notice, and subject to other binding limitations provided for under applicable law, the information, documents and data made available on the ECHA website may be reproduced, distributed and/or used, totally or in part, for non-commercial purposes provided that ECHA is acknowledged as the source: "Source: European Chemicals Agency, http://echa.europa.eu/". Such acknowledgement must be included in each copy of the material. ECHA permits and encourages organisations and individuals to create links to the ECHA website under the following cumulative conditions: Links can only be made to webpages that provide a link to the Legal Notice page.
    https://echa.europa.eu/web/guest/legal-notice
  8. FDA Global Substance Registration System (GSRS)
    LICENSE
    Unless otherwise noted, the contents of the FDA website (www.fda.gov), both text and graphics, are not copyrighted. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from FDA. Credit to the U.S. Food and Drug Administration as the source is appreciated but not required.
    https://www.fda.gov/about-fda/about-website/website-policies#linking
  9. New Zealand Environmental Protection Authority (EPA)
    LICENSE
    This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International licence.
    https://www.epa.govt.nz/about-this-site/general-copyright-statement/
  10. DailyMed
  11. Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
    LICENSE
    Copyright (c) 2022 Haz-Map(R). All rights reserved. Unless otherwise indicated, all materials from Haz-Map are copyrighted by Haz-Map(R). No part of these materials, either text or image may be used for any purpose other than for personal use. Therefore, reproduction, modification, storage in a retrieval system or retransmission, in any form or by any means, electronic, mechanical or otherwise, for reasons other than personal use, is strictly prohibited without prior written permission.
    https://haz-map.com/About
  12. NITE-CMC
    Yttrium oxide - FY2015 (New/original classication)
    https://www.chem-info.nite.go.jp/chem/english/ghs/15-mhlw-0116e.html
  13. National Drug Code (NDC) Directory
    LICENSE
    Unless otherwise noted, the contents of the FDA website (www.fda.gov), both text and graphics, are not copyrighted. They are in the public domain and may be republished, reprinted and otherwise used freely by anyone without the need to obtain permission from FDA. Credit to the U.S. Food and Drug Administration as the source is appreciated but not required.
    https://www.fda.gov/about-fda/about-website/website-policies#linking
  14. SpectraBase
  15. SpringerMaterials
  16. Wikidata
    Yttrium oxide europium-doped
    https://www.wikidata.org/wiki/Q72516777
  17. Wikipedia
  18. PubChem
  19. Medical Subject Headings (MeSH)
    LICENSE
    Works produced by the U.S. government are not subject to copyright protection in the United States. Any such works found on National Library of Medicine (NLM) Web sites may be freely used or reproduced without permission in the U.S.
    https://www.nlm.nih.gov/copyright.html
  20. GHS Classification (UNECE)
  21. NORMAN Suspect List Exchange
    LICENSE
    Data: CC-BY 4.0; Code (hosted by ECI, LCSB): Artistic-2.0
    https://creativecommons.org/licenses/by/4.0/
    NORMAN Suspect List Exchange Classification
    https://www.norman-network.com/nds/SLE/
  22. EPA Substance Registry Services
  23. MolGenie
    MolGenie Organic Chemistry Ontology
    https://github.com/MolGenie/ontology/
CONTENTS