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01 / SAFETY DATA SHEET

Gadolinium(III) oxide SDS

Original Stanford Advanced Materials safety data sheet for Gadolinium(III) oxide. Original PDF retained without modification. Source collected on 2026-09-13.

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02 / ORIGINAL PDF

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03 / RESDS DATA ANALYSIS

Normalized SDS data & document analysis

RESDS derives the results below from this document’s extracted text and the site’s same-material index. Detected codes are not reclassified. “Not detected” does not mean “not present”; confirm the original PDF for safety-critical use.

SDS sections15/16
Coverage94%
Hazard codes1
Precautionary codes4
UN numbers0
Same-material docs22

GHS & transport evidence

Page links show the first occurrence found in extracted text.

Hazard statements
H319 p.1
Precautionary statements
P264 p.1P280 p.1P305+P351+P338P337+P313
CAS numbers
12064-62-9 p.1
Signal words
Warning

SDS 16-section coverage

15 section headings detected; 1 not detected by the parser.

1. Identification · detected2. Hazard identification · detected3. Composition / ingredients · not detected4. First-aid measures · detected5. Fire-fighting measures · detected6. Accidental release measures · detected7. Handling and storage · detected8. Exposure controls / PPE · detected9. Physical and chemical properties · detected10. Stability and reactivity · detected11. Toxicological information · detected12. Ecological information · detected13. Disposal considerations · detected14. Transport information · detected15. Regulatory information · detected16. Other information · detected

Normalized physical-property units

Calculated conversions from values detected in this SDS; not independent laboratory measurements.

PropertySDS valueSI conversionUS conversion
Melting point330 °C603.15 K626.0 °F

Same-material SDS comparison

22 indexed documents · 13 publishers · 3 languages · 13 stated revisions · page range 3–11. This compares document metadata, not product equivalence.

PublisherRevisionLanguageRegionPages
Current Stanford Advanced Materials09/04/2017 · Version 3.0EnglishUnited States · OSHA7
Acros-Organics19-Jan-2018 · Revision 3EnglishUnited States · OSHA6
Alfa-Aesar11/24/2015EnglishUnited States · OSHA; European Union · REACH / CLP; Canada · WHMIS4
Angstrom Sciences07/09/15EnglishNot stated4
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)24-Jul-2026EnglishUnited Kingdom8
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)24-Jul-2026EnglishUnited Kingdom8
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)24-Jul-2026EnglishUnited Kingdom8
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)24-Jul-2026EnglishUnited Kingdom8
SDS publisher documentEXTRACTED RESDS parserCALCULATED deterministic conversion / coverageDERIVED same-material index comparison
04 / SPECIFICATIONS

Material & document specifications

Material
Gadolinium(III) oxide
Product / grade
Not stated
Publisher
Stanford Advanced Materials
Region
United States · OSHA
File name
027_Gadolinium_III_oxide_Stanford_Advanced_Materials_EN.pdf
Document type
SDS
CAS reference(s)
12064-62-9
Language
English
Original revision
09/04/2017 · Version 3.0
Pages
7
File size
81 KB
Downloads
16
Date added
2026-09-13
05 / DOCUMENT TEXT

Full document text

7 pages · Original document language

Text extracted from the original PDF. Page order and original wording are preserved; tables and symbols may differ from the PDF layout. Check the original PDF for safety-critical details.

Page 1

samaterials.com SAFETY DATA SHEET Version 3.0 Revision Date 09/04/2017

1. PRODUCT AND COMPANY IDENTIFICATION

1.1 Product identifiers

Product name : Gadolinium(III) oxide

Brand : SAM

CAS-No. : 12064-62-9

1.2 Relevant identified uses of the substance or mixture and uses advised against

Identified uses : Laboratory chemicals, Manufacture of substances

1.3 Details of the supplier of the safety data sheet

Company : Stanford Advanced Materials 23661 Birtcher Dr. Lake Forest, CA 92630 USA

Telephone : +1 (949) 407-8904 Fax : +1 (949) 812-6690

1.4 Emergency telephone number

Emergency Phone # : +1 (949) 407-8904

2. HAZARDS IDENTIFICATION

2.1 Classification of the substance or mixture

GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) Eye irritation (Category 2A), H319

For the full text of the H-Statements mentioned in this Section, see Section 16.

2.2 GHS Label elements, including precautionary statements

Pictogram

Signal word Warning

Hazard statement(s) H319 Causes serious eye irritation.

Precautionary statement(s) P264 Wash skin thoroughly after handling. P280 Wear protective gloves/ eye protection/ face protection. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P337 + P313 If eye irritation persists: Get medical advice/ attention.

2.3 Hazards not otherwise classified (HNOC) or not covered by GHS - none

3. COMPOSITION/INFORMATION ON INGREDIENTS

3.1 Substances Formula : Gd2O3

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Page 2

Molecular Weight : 362.50 g/mol CAS-No. : 12064-62-9 EC-No. : 235-060-9

Hazardous components Component Classification Concentration

Digadolinium trioxide Eye Irrit. 2A; H319 - For the full text of the H-Statements mentioned in this Section, see Section 16.

4. FIRST AID MEASURES

4.1 Description of first aid measures

General advice Consult a physician. Show this safety data sheet to the doctor in attendance.Move out of dangerous area.

If inhaled If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.

In case of skin contact Wash off with soap and plenty of water. Consult a physician.

In case of eye contact Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.

If swallowed Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

4.2 Most important symptoms and effects, both acute and delayed The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in section 11

4.3 Indication of any immediate medical attention and special treatment needed no data available

5. FIREFIGHTING MEASURES

5.1 Extinguishing media

Suitable extinguishing media Use extinguishing measures that are appropriate to local circumstances and the surrounding environment.

5.2 Special hazards arising from the substance or mixture gadolinium oxides

5.3 Advice for firefighters Wear self contained breathing apparatus for fire fighting if necessary.

5.4 Further information The product itself does not burn.

6. ACCIDENTAL RELEASE MEASURES

6.1 Personal precautions, protective equipment and emergency procedures Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Avoid breathing dust. For personal protection see section 8.

6.2 Environmental precautions Do not let product enter drains.

6.3 Methods and materials for containment and cleaning up Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed containers for disposal.

6.4 Reference to other sections For disposal see section 13.

Page 2 of 7

Page 3

7. HANDLING AND STORAGE

7.1 Precautions for safe handling Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2.

7.2 Conditions for safe storage, including any incompatibilities Keep container tightly closed in a dry and well-ventilated place.

hygroscopic Store under inert gas. Keep in a dry place.

7.3 Specific end use(s) Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

8. EXPOSURE CONTROLS/PERSONAL PROTECTION

8.1 Control parameters

Components with workplace control parameters Contains no substances with occupational exposure limit values.

8.2 Exposure controls

Appropriate engineering controls Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday.

Personal protective equipment

Eye/face protection Safety glasses with side-shields conforming to EN166 Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).

Skin protection Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands.

Full contact Material: Nitrile rubber Minimum layer thickness: 0.11 mm Break through time: 480 min Material tested:Dermatril® (KCL 740 / Aldrich Z677272, Size M)

Splash contact Material: Nitrile rubber Minimum layer thickness: 0.11 mm Break through time: 480 min Material tested:Dermatril® (KCL 740 / Aldrich Z677272, Size M)

data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 87300, e-mail sales@kcl.de, test method: EN374 If used in solution, or mixed with other substances, and under conditions which differ from EN 374, contact the supplier of the CE approved gloves. This recommendation is advisory only and must be evaluated by an industrial hygienist and safety officer familiar with the specific situation of anticipated use by our customers. It should not be construed as offering an approval for any specific use scenario. Body Protection impervious clothing, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace.

Respiratory protection For nuisance exposures use type P95 (US) or type P1 (EU EN 143) particle respirator.For higher level protection use type OV/AG/P99 (US) or type ABEK-P2 (EU EN 143) respirator cartridges. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).

Page 3 of 7

Page 4

Control of environmental exposure Do not let product enter drains.

9. PHYSICAL AND CHEMICAL PROPERTIES

9.1 Information on basic physical and chemical properties

a) Appearance Form: powder Colour: beige

b) Odour no data available

c) Odour Threshold no data available d) pH no data available e) Melting point/freezing Melting point/range: 2,330 °C (4,226 °F) point f) Initial boiling point and no data available boiling range

g) Flash point not applicable h) Evapouration rate no data available i) Flammability (solid, gas) no data available

j) Upper/lower no data available flammability or explosive limits

k) Vapour pressure no data available

l) Vapour density no data available m) Relative density 7.407 g/mL at 20 °C (68 °F)

n) Water solubility no data available

o) Partition coefficient: n- no data available octanol/water

p) Auto-ignition no data available temperature q) Decomposition no data available temperature r) Viscosity no data available

s) Explosive properties no data available t) Oxidizing properties no data available

9.2 Other safety information

no data available

10. STABILITY AND REACTIVITY

10.1 Reactivity no data available

10.2 Chemical stability Stable under recommended storage conditions.

10.3 Possibility of hazardous reactions no data available

10.4 Conditions to avoid no data available

10.5 Incompatible materials Strong acids

Page 4 of 7

Page 5

10.6 Hazardous decomposition products

Other decomposition products - no data available In the event of fire: see section 5

11. TOXICOLOGICAL INFORMATION

11.1 Information on toxicological effects

Acute toxicity LD50 Oral - rat - > 5,000 mg/kg

Inhalation: no data available

Dermal: no data available

no data available

Skin corrosion/irritation no data available

Serious eye damage/eye irritation Eyes - rabbit Result: Mild eye irritation

Respiratory or skin sensitisation no data available

Germ cell mutagenicity no data available

Carcinogenicity

IARC: No component of this product present at levels greater than or equal to 0.1% is identified as probable, possible or confirmed human carcinogen by IARC.

ACGIH: No component of this product present at levels greater than or equal to 0.1% is identified as a carcinogen or potential carcinogen by ACGIH.

NTP: No component of this product present at levels greater than or equal to 0.1% is identified as a known or anticipated carcinogen by NTP.

OSHA: No component of this product present at levels greater than or equal to 0.1% is identified as a carcinogen or potential carcinogen by OSHA.

Reproductive toxicity no data available

no data available

Specific target organ toxicity - single exposure no data available

Specific target organ toxicity - repeated exposure no data available

Aspiration hazard no data available

Additional Information RTECS: Not available

To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated.

12. ECOLOGICAL INFORMATION

12.1 Toxicity no data available

12.2 Persistence and degradability no data available

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Page 6

12.3 Bioaccumulative potential no data available

12.4 Mobility in soil no data available

12.5 Results of PBT and vPvB assessment PBT/vPvB assessment not available as chemical safety assessment not required/not conducted

12.6 Other adverse effects

no data available

13. DISPOSAL CONSIDERATIONS

13.1 Waste treatment methods

Product Offer surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed professional waste disposal service to dispose of this material.

Contaminated packaging Dispose of as unused product.

14. TRANSPORT INFORMATION

DOT (US) Not dangerous goods

IMDG Not dangerous goods

IATA Not dangerous goods

15. REGULATORY INFORMATION

SARA 302 Components SARA 302: No chemicals in this material are subject to the reporting requirements of SARA Title III, Section 302.

SARA 313 Components SARA 313: This material does not contain any chemical components with known CAS numbers that exceed the threshold (De Minimis) reporting levels established by SARA Title III, Section 313.

SARA 311/312 Hazards Acute Health Hazard

Massachusetts Right To Know Components No components are subject to the Massachusetts Right to Know Act.

Pennsylvania Right To Know Components CAS-No. Revision Date Digadolinium trioxide 12064-62-9

New Jersey Right To Know Components CAS-No. Revision Date Digadolinium trioxide 12064-62-9

California Prop. 65 Components This product does not contain any chemicals known to State of California to cause cancer, birth defects, or any other reproductive harm.

16. OTHER INFORMATION

Full text of H-Statements referred to under sections 2 and 3.

Page 6 of 7

Page 7

Eye Irrit. Eye irritation H319 Causes serious eye irritation.

HMIS Rating Health hazard: 2 Chronic Health Hazard: Flammability: 0 Physical Hazard 0

NFPA Rating Health hazard: 2 Fire Hazard: 0 Reactivity Hazard: 0 Further information This material safety data sheet is offered solely for your information, consideration, and investigation. Stanford Advanced Materials provides no warranties, either express or implied, and assumes no responsibility for the accuracy or completeness of the data contained herein.

Page 7 of 7

06 / OTHER PUBLISHERS

Same material — SDS from other publishers

21 documents in this material index. Product grades, hydration states and formulations must be checked in each original PDF.

PDF · 6 pages

Gadolinium(III) oxide SDS

Acros-Organics

English · 19-Jan-2018 · Revision 3

PDF · 4 pages

Gadolinium oxide SDS

Alfa-Aesar

English · 11/24/2015

PDF · 4 pages

Gadolinium Oxide SDS

Angstrom Sciences

English · 07/09/15

PDF · 8 pages

Gadolinium oxide SDS

Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)

English · 24-Jul-2026

PDF · 8 pages

Gadolinium(III) oxide SDS

Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)

English · 24-Jul-2026

PDF · 8 pages

Gadolinium oxide SDS

Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)

English · 24-Jul-2026

PDF · 8 pages

Gadolinium(III) oxide SDS

Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)

English · 24-Jul-2026

PDF · 6 pages

Gadolinium Oxide, 99.9% SDS

FUJIFILM Wako Pure Chemical Corporation

English · 04-Feb-2023 · Revision 2.04

PDF · 5 pages

Gadolinium oxide 99.9% SDS

FUJIFILM Wako Pure Chemical Corporation

Japanese · 2023-2-04

PDF · 8 pages

GADOLINIUM (III) OXIDE EXTRA PURE SDS

Loba Chemie

French · Revision not stated

PDF · 6 pages

Gadolinium oxide (Gd2O3) SDS

Materion

English · 08-05-2025

PDF · 8 pages

Gadolinium oxide - enriched gadolinium isotopes SDS

Neonest / BuyIsotope

English · 14-Aug-2019 · Version 1.1.1

PDF · 3 pages

Gadolinium oxide SDS

ProChem

English · Revision not stated

PDF · 3 pages

Gadolinium oxide SDS

ProChem

English · Revision not stated

PDF · 3 pages

Gadolinium oxide SDS

ProChem

English · Revision not stated

PDF · 7 pages

Gadolinium(III) oxide SDS

Sigma-Aldrich

English · 09/28/2017 · Version 4.9

PDF · 8 pages

Gadolinium(III) oxide, nanopowder SDS

Thermo Fisher Scientific

English · 27-Jul-2026 · Version 5

PDF · 11 pages

Gadolinium(III) oxide SDS

Thermo Fisher Scientific

French · Revision not stated

PDF · 8 pages

Gadolinium(III) oxide SDS

Thermo Fisher Scientific

English · 19-Dec-2025 · Revision 5

PDF · 8 pages

Gadolinium oxide SDS

Thermo Fisher Scientific

English · 22-Dec-2025 · Revision 4

PDF · 6 pages

Gadolinium(III) oxide SDS

Trace Sciences

English · Revision not stated

07 / SOURCE COMPANY

Original publisher & company information

Supplier / publisher listed in SDS

Stanford Advanced

Record publisher: Stanford Advanced Materials

Official website checked
Brand / organization
SAM
Country / office
United States
SDS contact email
Not stated in SDS
Business phone in SDS
+1 (949) 407-8904
Product / reference
Gadolinium(III) oxide
Official website contactContact page / website Source · Checked 2026-09-14
View extracted supplier details
Details of the supplier of the safety data sheet

     Company                               :  Stanford Advanced
                                       Materials
                                23661 Birtcher Dr.
                                Lake Forest, CA 92630
                         USA

      Telephone                             :  +1 (949) 407-8904
      Fax                                        :  +1 (949) 812-6690

About Stanford Advanced

Stanford Advanced is the organization attributed as publisher or supplier of this SDS. See the original identification section and official website for its company profile.

Company website & profile
Document source & record history

Original record: Gadolinium(III) oxide — Safety Data Sheet — Stanford Advanced Materials

Added: 2026-09-13T12:41:46.000Z · Record updated: 2026-09-14T02:29:00.557Z

Original file SHA-256: f85878690d39f94903cb749a1af58725f8f7d37c2320ea147bf3855c70b12656

Original source PDF

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08 / OFFICIAL REFERENCES

Official chemical reference sources

Source guide ↗

CAS references recorded in this SDS. Properties below describe individual substances, not necessarily the complete product. Check the original SDS for mixtures, grades and hydrate states.

CAS 12064-62-9bis(gadolinium(3+));tris(oxygen(2-))

GHS provides classification criteria. The applicable hazard classification must be checked for the specific product and jurisdiction.

09 / MATERIAL SUPPLIERS

Suppliers of this material

Companies identified from matching material SDS and checked official product pages. Confirm grade, formulation and availability with the supplier. Missing contacts are not inferred.

CompanyCountryWebsiteEmailPhoneEvidence
Acros-OrganicsUnited StatesWebsite Not stated(201) 796-7100Source Same material SDS; verify grade and availability
Angstrom Sciences, Inc.United StatesWebsite info@angstromsciences.comNot statedSource Same material SDS; verify grade and availability
Avocado Research Chemicals Ltd.United KingdomWebsite Not stated+44 (0) 1524 850506Source Same material SDS; verify grade and availability
FUJIFILM Wako Pure Chemical CorporationJapanWebsite Not stated+81-6-6203-3741Source Same material SDS; verify grade and availability
Loba ChemieIndiaWebsite info@lobachemie.com+91 22 6663 6663Source Same material SDS; verify grade and availability
MaterionUnited StatesWebsite Materion-PS@materion.com1.216.383.4019Source Same material SDS; verify grade and availability
Neonest / BuyIsotopeSwedenWebsite Not statedNot statedSource Same material SDS; verify grade and availability
ProChemUnited StatesWebsite Not stated815-398-1788Source Same material SDS; verify grade and availability
Sigma-AldrichUnited StatesWebsite Not stated+1 800-325-5832Source Same material SDS; verify grade and availability
Trace Sciences InternationalCanadaWebsite sales@tracesciences.com+1 905-770-1100Source Same material SDS; verify grade and availability
American ElementsUnited StatesWebsite Not stated+1 310-208-0551Source Official product page · Checked 2026-09-14
Search the web for more suppliers
10 / GLOBAL SEARCH

Search this material across search engines

Search query: Gadolinium(III) oxide SDS

11 / WIKIPEDIA

Material background on Wikipedia

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