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Erbium

PubChem CID
23980
Structure
Erbium_small.png
Molecular Formula
Synonyms
  • ERBIUM
  • 7440-52-0
  • ER
  • erbio
  • MFCD00010987
Molecular Weight
167.26 g/mol
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Element Name
Dates
  • Create:
    2004-09-16
  • Modify:
    2025-01-11
Description
Erbium is a lanthanoid atom and a f-block element atom.
Erbium is an element with atomic symbol Er, atomic number 68, and atomic weight 167.259.
erbium is a mineral.
See also: Erbium sulfate octahydrate (active moiety of); Erbium hydride (ErH3) (annotation moved to) ... View More ...

1 Structures

1.1 2D Structure

Chemical Structure Depiction
Erbium.png

1.2 Crystal Structures

2 Names and Identifiers

2.1 Computed Descriptors

2.1.1 IUPAC Name

erbium
Computed by Lexichem TK 2.7.0 (PubChem release 2021.10.14)

2.1.2 InChI

InChI=1S/Er
Computed by InChI 1.0.6 (PubChem release 2021.10.14)

2.1.3 InChIKey

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

2.1.4 SMILES

[Er]
Computed by OEChem 2.3.0 (PubChem release 2024.12.12)

2.2 Molecular Formula

Er
Computed by PubChem 2.2 (PubChem release 2021.10.14)

2.3 Other Identifiers

2.3.1 CAS

2.3.2 Deprecated CAS

110424-79-8

2.3.3 European Community (EC) Number

2.3.4 UNII

2.3.5 ChEBI ID

2.3.6 DSSTox Substance ID

2.3.7 HMDB ID

2.3.8 NCI Thesaurus Code

2.3.9 Nikkaji Number

2.3.10 Wikidata

2.3.11 Wikipedia

2.4 Synonyms

2.4.1 MeSH Entry Terms

Erbium

2.4.2 Depositor-Supplied Synonyms

3 Chemical and Physical Properties

3.1 Computed Properties

Property Name
Molecular Weight
Property Value
167.26 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
0
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
165.930301 Da
Reference
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Property Name
Monoisotopic Mass
Property Value
165.930301 Da
Reference
Computed by PubChem 2.2 (PubChem release 2021.10.14)
Property Name
Topological Polar Surface Area
Property Value
0 Ų
Reference
Computed by Cactvs 3.4.8.18 (PubChem release 2021.10.14)
Property Name
Heavy Atom Count
Property Value
1
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
1
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

Soft metal soluble in acids; [Merck Index] Pure metal is soft, malleable, and silvery bright; All 6 natural isotopes are stable; [Reference #1]

3.3 SpringerMaterials Properties

3.4 Chemical Classes

Metals -> Rare Earth Metals

5 Chemical Vendors

6 Drug and Medication Information

6.1 FDA National Drug Code Directory

6.2 Drug Labels

Active ingredient and drug
Homeopathic product and label

6.3 Clinical Trials

6.3.1 NIPH Clinical Trials Search of Japan

7 Food Additives and Ingredients

7.1 Associated Foods

8 Minerals

9 Use and Manufacturing

9.1 Uses

Sources/Uses
Source: rare earth minerals; Used in nuclear control rods, alloys, and lasers; [Hawley] Recent improvements in ion-exchange techniques have reduced the cost of isolating this element, and it is finding uses in nuclear technology and metallurgy. Erbium alloys have advantages in workability. Erbium colorants are used to produce pink glass and ceramic glazes; [Reference #1]
Hawley - Lewis RJ. _Hawley's Condensed Chemical Dictionary, _15th Ed. New York: John Wiley & Sons, 2007.
Industrial Processes with risk of exposure
Glass Manufacturing [Category: Industry]

9.2 General Manufacturing Information

EPA TSCA Commercial Activity Status
Erbium: ACTIVE

10 Safety and Hazards

10.1 Hazards Identification

10.1.1 GHS Classification

Note
Pictograms displayed are for 95.1% (98 of 103) of reports that indicate hazard statements. This chemical does not meet GHS hazard criteria for 4.9% (5 of 103) of reports.
Pictogram(s)
Flammable
Signal
Danger
GHS Hazard Statements
H228 (93.2%): Flammable solid [Danger Flammable solids]
Precautionary Statement Codes

P210, P240, P241, P280, and P370+P378

(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 103 reports by companies from 4 notifications to the ECHA C&L Inventory.

Reported as not meeting GHS hazard criteria per 5 of 103 reports by companies. For more detailed information, please visit ECHA C&L website.

There are 3 notifications provided by 98 of 103 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.

10.1.2 Hazard Classes and Categories

Flam. Sol. 1 (93.2%)

10.1.3 Hazards Summary

Fine metal is flammable; [Hawley] See RARE EARTH METALS and linked occupational diseases.
Hawley - Lewis RJ. _Hawley's Condensed Chemical Dictionary, _15th Ed. New York: John Wiley & Sons, 2007.

11 Toxicity

11.1 Toxicological Information

11.1.1 Adverse Effects

Fibrogenic - Inducing tissue injury and fibrosis (scarring).

12 Literature

12.1 Consolidated References

12.2 NLM Curated PubMed Citations

12.3 Thieme References

12.4 Chemical Co-Occurrences in Literature

12.5 Chemical-Gene Co-Occurrences in Literature

12.6 Chemical-Disease Co-Occurrences in Literature

13 Patents

13.1 Depositor-Supplied Patent Identifiers

13.2 Chemical Co-Occurrences in Patents

13.3 Chemical-Disease Co-Occurrences in Patents

13.4 Chemical-Gene Co-Occurrences in Patents

14 Interactions and Pathways

14.1 Protein Bound 3D Structures

14.2 Chemical-Target Interactions

15 Classification

15.1 MeSH Tree

15.2 NCI Thesaurus Tree

15.3 ChEBI Ontology

15.4 UN GHS Classification

15.5 NORMAN Suspect List Exchange Classification

15.6 EPA DSSTox Classification

15.7 EPA TSCA and CDR Classification

15.8 EPA Substance Registry Services Tree

15.9 MolGenie Organic Chemistry Ontology

16 Information Sources

  1. 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/
  2. ChemIDplus
  3. EPA Chemicals under the TSCA
    EPA TSCA Classification
    https://www.epa.gov/tsca-inventory
  4. EPA DSSTox
    CompTox Chemicals Dashboard Chemical Lists
    https://comptox.epa.gov/dashboard/chemical-lists/
  5. 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
  6. 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
  7. ChEBI
  8. NCI Thesaurus (NCIt)
    LICENSE
    Unless otherwise indicated, all text within NCI products is free of copyright and may be reused without our permission. Credit the National Cancer Institute as the source.
    https://www.cancer.gov/policies/copyright-reuse
  9. RRUFF Project
  10. Comparative Toxicogenomics Database (CTD)
    LICENSE
    It is to be used only for research and educational purposes. Any reproduction or use for commercial purpose is prohibited without the prior express written permission of NC State University.
    http://ctdbase.org/about/legal.jsp
  11. Crystallography Open Database (COD)
    LICENSE
    All data in the COD and the database itself are dedicated to the public domain and licensed under the CC0 License. Users of the data should acknowledge the original authors of the structural data.
    https://creativecommons.org/publicdomain/zero/1.0/
  12. DailyMed
  13. FooDB
    LICENSE
    FooDB is offered to the public as a freely available resource. Use and re-distribution of the data, in whole or in part, for commercial purposes requires explicit permission of the authors and explicit acknowledgment of the source material (FooDB) and the original publication.
    https://foodb.ca/about
  14. 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
  15. Human Metabolome Database (HMDB)
    LICENSE
    HMDB is offered to the public as a freely available resource. Use and re-distribution of the data, in whole or in part, for commercial purposes requires explicit permission of the authors and explicit acknowledgment of the source material (HMDB) and the original publication (see the HMDB citing page). We ask that users who download significant portions of the database cite the HMDB paper in any resulting publications.
    http://www.hmdb.ca/citing
  16. Japan Chemical Substance Dictionary (Nikkaji)
  17. 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
  18. NIPH Clinical Trials Search of Japan
  19. PubChem Elements
  20. SpringerMaterials
  21. Thieme Chemistry
    LICENSE
    The Thieme Chemistry contribution within PubChem is provided under a CC-BY-NC-ND 4.0 license, unless otherwise stated.
    https://creativecommons.org/licenses/by-nc-nd/4.0/
  22. Wikidata
  23. Wikipedia
  24. 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
  25. PubChem
  26. GHS Classification (UNECE)
  27. 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/
  28. EPA Substance Registry Services
  29. MolGenie
    MolGenie Organic Chemistry Ontology
    https://github.com/MolGenie/ontology/
CONTENTS