# Gadolinium oxide \(Gd2O3\) — Safety Data Sheet — Materion

原本PDFから抽出したテキストです。表、画像、記号、OCR結果は原本と異なる場合があります。安全情報は原本PDFで確認してください。

- **文書名:** Gadolinium oxide \(Gd2O3\) — Safety Data Sheet — Materion
- **発行元:** Materion
- **材料:** Gadolinium oxide \(Gd2O3\)
- **CAS番号:** 12064\-62\-9
- **製品番号・グレード:** Gadolinium Oxide \(Gd2O3\)
- **文書種類:** SDS
- **原文の言語:** English
- **地域:** 
- **改訂日:** 08\-05\-2025
- **ページ数:** 6
- **原本ファイル名:** 020\_Gadolinium\_oxide\_Gd2O3\_Materion\_EN\.pdf
- **RESDSページ:** https://resds\.com/document/gadolinium\-oxide\-gd2o3\-sds\-en\-428329a911
- **原本PDF:** https://resds\.com/pdf/gadolinium\-oxide\-gd2o3\-sds\-en\-428329a911\.pdf
- **情報源URL:** https://www\.materion\.com/en/resources/environmental\-health\-safety/safety\-data\-sheets/DownloadSds?sdsId=1JU\_GADOLINIUM\+OXIDE\+%28GD2O3%29\_SDS\-US\_English\.pdf
- **説明:** Original Materion safety data sheet for Gadolinium oxide \(Gd2O3\)\. Original PDF retained without modification\. Source collected on 2026\-09\-13\.

## ページ 1

```text
                 SAFETY DATA SHEET





1. Identification

Product identifier                Gadolinium Oxide (Gd2O3)

Other means of identification
   SDS number              1JU

    Materion Code            1JU

   CAS number                12064-62-9

   Synonyms                 Gadolinum oxide * Gadolinium oxide (Gd2O3) * Digadolinium trioxide * GADOLINIUM (III) OXIDE

Manufacturer/Importer/Supplier/Distributor information
Manufacturer

  Company name               Materion Corporation
  Address                    6070 Parkland Boulevard
                                  Mayfield Heights, Ohio 44124
                                 United States

  Telephone                    1.216.383.4019
   Website                     www.materion.com
   E-mail                      Materion-PS@materion.com
   Contact person                Product Stewardship Director
Emergency phone             See Section 16.
number

2. Hazard(s) identification



Physical hazards                Not classified.

Health hazards                   Serious eye damage/eye irritation            Category 2A

Environmental hazards          Not classified.

OSHA defined hazards          Not classified.

Label elements





    Signal word                Warning

    Hazard statement          The material as sold in solid form is generally not considered hazardous. However, if the
                                process involves grinding, melting, cutting or any other process that causes a release of dust or
                                fumes, hazardous levels of airborne particulate could be generated. Causes serious eye
                                              irritation.

    Precautionary statement
        Prevention           Wash thoroughly after handling. Wear eye protection/face protection.

       Response                           If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and
                              easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. Take off
                                contaminated clothing and wash it before reuse.

        Storage                  Store away from incompatible materials.

        Disposal                Dispose of contents/container in accordance with local/regional/national/international
                                     regulations.

Hazard(s) not otherwise        None known.
classified (HNOC)

 Material name: Gadolinium Oxide (Gd2O3)                                                                                      SDS US
 1JU  Version #: 05  Revision date: 08-05-2025  Issue date: 08-28-2014                                                 1 / 6
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## ページ 2

```text
Supplemental information        For further information, please contact the Product Stewardship Department at +1.216.383.4019.

3. Composition/information on ingredients

Substances

  Chemical name              Common name and synonyms           CAS number          %

   Gadolinium Oxide                Gadolinum oxide                             12064-62-9               100
                                    Gadolinium oxide (Gd2O3)
                                     Digadolinium trioxide
                            GADOLINIUM (III) OXIDE

*Designates that a specific chemical identity and/or percentage of composition has been withheld as a trade secret.

4. First-aid measures

Inhalation                   Move to fresh air. If breathing stops, provide artificial respiration. Call a physician if symptoms
                                develop or persist. Get medical attention.

Skin contact                Wash off with soap and water. Get medical attention if irritation develops and persists.

Eye contact                     Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes.
                                 Immediately flush eyes with plenty of water for at least 15 minutes. Remove contact lenses, if
                                  present and easy to do. Continue rinsing. Get medical attention if irritation develops and persists.

Ingestion                       Rinse mouth. Do not induce vomiting. Get medical attention if symptoms occur. Get medical
                                       attention.

Most important                 Severe eye irritation. Symptoms may include stinging, tearing, redness, swelling, and blurred
symptoms/effects, acute            vision.
and delayed

Indication of immediate           Provide general supportive measures and treat symptomatically. Keep victim under observation.
medical attention and          Symptoms may be delayed.
special treatment needed

General information             Ensure that medical personnel are aware of the material(s) involved, and take precautions to
                                     protect themselves.

5. Fire-fighting measures

Suitable extinguishing           Water fog. Foam. Dry chemical powder. Carbon dioxide (CO2).
media

Unsuitable extinguishing        None known.
media

Specific hazards arising          During fire, gases hazardous to health may be formed.
from the chemical

Special protective             Wear suitable protective equipment.
equipment and precautions
for firefighters

Fire fighting                  Use water spray to cool unopened containers.
equipment/instructions

Specific methods              Use standard firefighting procedures and consider the hazards of other involved materials.

General fire hazards          No unusual fire or explosion hazards noted.

6. Accidental release measures

Personal precautions,          Keep unnecessary personnel away. Wear appropriate protective equipment and clothing during
protective equipment and         clean-up. Do not touch damaged containers or spilled material unless wearing appropriate
emergency procedures             protective clothing. Local authorities should be advised if significant spillages cannot be
                                   contained. For personal protection, see section 8 of the SDS.

Methods and materials for        Clean up in accordance with all applicable regulations.
containment and cleaning
up

Environmental precautions      No special environmental precautions required.



 Material name: Gadolinium Oxide (Gd2O3)                                                                                      SDS US
 1JU  Version #: 05  Revision date: 08-05-2025  Issue date: 08-28-2014                                                 2 / 6
```

## ページ 3

```text
7. Handling and storage

Precautions for safe              Provide adequate ventilation. Wear appropriate personal protective equipment. Observe good
handling                              industrial hygiene practices. Use care in handling/storage.

Conditions for safe storage,       Store in tightly closed container. Store away from incompatible materials (see Section 10 of the
including any                   SDS).
incompatibilities

8. Exposure controls/personal protection

Occupational exposure           This substance has no PEL, TLV, or other recommended exposure limit.
limits

Biological limit values         No biological exposure limits noted for the ingredient(s).

Appropriate engineering        Good general ventilation should be used. Ventilation rates should be matched to conditions. If
controls                            applicable, use process enclosures, local exhaust ventilation, or other engineering controls to
                                  maintain airborne levels below recommended exposure limits. If exposure limits have not been
                                    established, maintain airborne levels to an acceptable level. Provide eyewash station.

Individual protection measures, such as personal protective equipment
    Eye/face protection        Wear safety glasses with side shields (or goggles).


    Skin protection
       Hand protection        Wear protective gloves.

        Other                  Not available.

    Respiratory protection         In case of insufficient ventilation, wear suitable respiratory equipment.

    Thermal hazards          Wear appropriate thermal protective clothing, when necessary.

General hygiene                Always observe good personal hygiene measures, such as washing after handling the material
considerations                 and before eating, drinking, and/or smoking. Routinely wash work clothing and protective
                               equipment to remove contaminants.

9. Physical and chemical properties

Appearance

    Physical state                  Solid.

   Form                            Solid.

    Color                      Not available.

Odor                           Not available.

Odor threshold                 Not available.

pH                            Not available.

Melting point/freezing point      Not available.

Initial boiling point and           Not available.
boiling range

Flash point                     Not available.

Evaporation rate                Not available.

Flammability (solid, gas)         Not available.

Upper/lower flammability or explosive limits
    Explosive limit - lower       Not available.
    (%)

    Explosive limit - upper       Not available.
    (%)

Vapor pressure                 Not available.

Vapor density                  Not available.

Relative density                Not available.



 Material name: Gadolinium Oxide (Gd2O3)                                                                                      SDS US
 1JU  Version #: 05  Revision date: 08-05-2025  Issue date: 08-28-2014                                                 3 / 6
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## ページ 4

```text
Solubility(ies)
     Solubility (water)            Not available.

Partition coefficient              Not available.
(n-octanol/water)

Auto-ignition temperature        Not available.

Decomposition temperature      Not available.

Viscosity                       Not available.

Other information
    Explosive properties         Not explosive.

    Molecular formula         Gd2O3

    Oxidizing properties         Not oxidizing.

10. Stability and reactivity

Reactivity                    The product is stable and non-reactive under normal conditions of use, storage and transport.

Chemical stability                  Material is stable under normal conditions.

Possibility of hazardous        No dangerous reaction known under conditions of normal use.
reactions

Conditions to avoid            Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. Contact with
                                  incompatible materials.

Incompatible materials         None known.

Hazardous decomposition      No hazardous decomposition products are known.
products

11. Toxicological information

Information on likely routes of exposure
    Inhalation                Due to lack of data the classification is not possible.

    Skin contact              Due to lack of data the classification is not possible.

   Eye contact               Causes serious eye irritation.

    Ingestion                Due to lack of data the classification is not possible.

Symptoms related to the         Severe eye irritation. Symptoms may include stinging, tearing, redness, swelling, and blurred
physical, chemical and              vision.
toxicological characteristics

Information on toxicological effects

Acute toxicity                   Not available.

Skin corrosion/irritation         Due to lack of data the classification is not possible.

Serious eye damage/eye        Causes serious eye irritation.
irritation

Respiratory or skin sensitization
    Respiratory              Due to lack of data the classification is not possible.
     sensitization

    Skin sensitization          Due to lack of data the classification is not possible.

Germ cell mutagenicity         Due to lack of data the classification is not possible.

Carcinogenicity                   This product is not considered to be a carcinogen by IARC, ACGIH, NTP, or OSHA.

   IARC Monographs. Overall Evaluation of Carcinogenicity

        Not listed.
   OSHA Specifically Regulated Substances (29 CFR 1910.1001-1053)

        Not listed.
    US. National Toxicology Program (NTP) Report on Carcinogens

        Not listed.

 Material name: Gadolinium Oxide (Gd2O3)                                                                                      SDS US
 1JU  Version #: 05  Revision date: 08-05-2025  Issue date: 08-28-2014                                                 4 / 6
```

## ページ 5

```text
Reproductive toxicity          Due to lack of data the classification is not possible.

Specific target organ          Due to lack of data the classification is not possible.
toxicity - single exposure

Specific target organ          Due to lack of data the classification is not possible.
toxicity - repeated exposure

Aspiration hazard             Due to lack of data the classification is not possible.

12. Ecological information

Ecotoxicity                   The product is not classified as environmentally hazardous. However, this does not exclude the
                                         possibility that large or frequent spills can have a harmful or damaging effect on the environment.

Persistence and             No data is available on the degradability of this product.
degradability

Bioaccumulative potential       No data available.

Mobility in soil               No data available.

Other adverse effects         No other adverse environmental effects (e.g. ozone depletion, photochemical ozone creation
                                       potential, endocrine disruption, global warming potential) are expected from this component.

13. Disposal considerations

Disposal instructions               Collect and reclaim or dispose in sealed containers at licensed waste disposal site. Dispose of
                                   contents/container in accordance with local/regional/national/international regulations.

Local disposal regulations        Dispose in accordance with all applicable regulations.

Hazardous waste code          The waste code should be assigned in discussion between the user, the producer and the waste
                                   disposal company.

Waste from residues /           Dispose of in accordance with local regulations. Empty containers or liners may retain some
unused products                  product residues. This material and its container must be disposed of in a safe manner (see:
                                 Disposal instructions). Empty containers or liners may retain some product residues. This
                                    material and its container must be disposed of in a safe manner.

Contaminated packaging        Empty containers should be taken to an approved waste handling site for recycling or disposal.

14. Transport information

DOT

    Not regulated as dangerous goods.

IATA

    Not regulated as dangerous goods.

IMDG

    Not regulated as dangerous goods.

15. Regulatory information

US federal regulations               All components are on the U.S. EPA TSCA Inventory List.
                                  This product is a "Hazardous Chemical" as defined by the OSHA Hazard Communication
                                 Standard, 29 CFR 1910.1200.
                         CERCLA/SARA Hazardous Substances - Not applicable.

    Toxic Substances Control Act
    (TSCA)

      TSCA Section 12(b) Export Notification (40 CFR 707, Subpt. D)

            Not regulated.

   CERCLA Hazardous Substance List (40 CFR 302.4)

        Not listed.
   SARA 304 Emergency release notification

        Not regulated.
   OSHA Specifically Regulated Substances (29 CFR 1910.1001-1053)

        Not listed.

 Material name: Gadolinium Oxide (Gd2O3)                                                                                      SDS US
 1JU  Version #: 05  Revision date: 08-05-2025  Issue date: 08-28-2014                                                 5 / 6
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## ページ 6

```text
Superfund Amendments and Reauthorization Act of 1986 (SARA)
   SARA 302 Extremely hazardous substance

        Not listed.

   SARA 311/312             Yes
    Hazardous chemical

         Classified hazard        Serious eye damage or eye irritation
        categories

   SARA 313 (TRI reporting)
        Not regulated.

Other federal regulations

    Clean Air Act (CAA) Section 112 Hazardous Air Pollutants (HAPs) List

        Not regulated.
    Clean Air Act (CAA) Section 112(r) Accidental Release Prevention (40 CFR 68.130)

        Not regulated.

    Safe Drinking Water Act      Not regulated.
   (SDWA)

US state regulations                California Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65): This material
                                            is not known to contain any chemicals currently listed as carcinogens or reproductive toxins.

     California Proposition 65

         California Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65): This material
           is not known to contain any chemicals currently listed as carcinogens or reproductive toxins. For
       more information go to www.P65Warnings.ca.gov.

16. Other information, including date of preparation or last revision

Issue date                      08-28-2014

Revision date                   08-05-2025

Version #                     05

Disclaimer                        This document has been prepared using data from sources considered to be technically reliable
                             and the information is believed to be correct. Materion makes no warranties, expressed or
                                     implied, as to the accuracy of the information contained herein. Materion cannot anticipate all
                                    conditions under which this information and its products may be used and the actual conditions of
                              use are beyond its control. The user is responsible to evaluate all available information when
                                 using this product for any particular use and to comply with all Federal, State, Provincial and
                                 Local laws, statutes and regulations.

Revision information              This document has undergone significant changes and should be reviewed in its entirety.





 Material name: Gadolinium Oxide (Gd2O3)                                                                                      SDS US
 1JU  Version #: 05  Revision date: 08-05-2025  Issue date: 08-28-2014                                                 6 / 6
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