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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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.
GHS & transport evidence
Page links show the first occurrence found in extracted text.
SDS 16-section coverage
15 section headings detected; 1 not detected by the parser.
Normalized physical-property units
Calculated conversions from values detected in this SDS; not independent laboratory measurements.
| Property | SDS value | SI conversion | US conversion |
|---|---|---|---|
| Melting point | 330 °C | 603.15 K | 626.0 °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.
| Publisher | Revision | Language | Region | Pages |
|---|---|---|---|---|
| Current Stanford Advanced Materials | 09/04/2017 · Version 3.0 | English | United States · OSHA | 7 |
| Acros-Organics | 19-Jan-2018 · Revision 3 | English | United States · OSHA | 6 |
| Alfa-Aesar | 11/24/2015 | English | United States · OSHA; European Union · REACH / CLP; Canada · WHMIS | 4 |
| Angstrom Sciences | 07/09/15 | English | Not stated | 4 |
| Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) | 24-Jul-2026 | English | United Kingdom | 8 |
| Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) | 24-Jul-2026 | English | United Kingdom | 8 |
| Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) | 24-Jul-2026 | English | United Kingdom | 8 |
| Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific) | 24-Jul-2026 | English | United Kingdom | 8 |
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
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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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.
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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).
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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
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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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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.
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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
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.
Gadolinium(III) oxide SDS
Acros-Organics
English · 19-Jan-2018 · Revision 3
PDF · 4 pagesGadolinium oxide SDS
Alfa-Aesar
English · 11/24/2015
PDF · 4 pagesGadolinium Oxide SDS
Angstrom Sciences
English · 07/09/15
PDF · 8 pagesGadolinium oxide SDS
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)
English · 24-Jul-2026
PDF · 8 pagesGadolinium(III) oxide SDS
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)
English · 24-Jul-2026
PDF · 8 pagesGadolinium oxide SDS
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)
English · 24-Jul-2026
PDF · 8 pagesGadolinium(III) oxide SDS
Avocado Research Chemicals Ltd. (Part of Thermo Fisher Scientific)
English · 24-Jul-2026
PDF · 6 pagesGadolinium Oxide, 99.9% SDS
FUJIFILM Wako Pure Chemical Corporation
English · 04-Feb-2023 · Revision 2.04
PDF · 5 pagesGadolinium oxide 99.9% SDS
FUJIFILM Wako Pure Chemical Corporation
Japanese · 2023-2-04
PDF · 8 pagesGADOLINIUM (III) OXIDE EXTRA PURE SDS
Loba Chemie
French · Revision not stated
PDF · 6 pagesGadolinium oxide (Gd2O3) SDS
Materion
English · 08-05-2025
PDF · 8 pagesGadolinium oxide - enriched gadolinium isotopes SDS
Neonest / BuyIsotope
English · 14-Aug-2019 · Version 1.1.1
PDF · 3 pagesGadolinium oxide SDS
ProChem
English · Revision not stated
PDF · 3 pagesGadolinium oxide SDS
ProChem
English · Revision not stated
PDF · 3 pagesGadolinium oxide SDS
ProChem
English · Revision not stated
PDF · 7 pagesGadolinium(III) oxide SDS
Sigma-Aldrich
English · 09/28/2017 · Version 4.9
PDF · 8 pagesGadolinium(III) oxide, nanopowder SDS
Thermo Fisher Scientific
English · 27-Jul-2026 · Version 5
PDF · 11 pagesGadolinium(III) oxide SDS
Thermo Fisher Scientific
French · Revision not stated
PDF · 8 pagesGadolinium(III) oxide SDS
Thermo Fisher Scientific
English · 19-Dec-2025 · Revision 5
PDF · 8 pagesGadolinium oxide SDS
Thermo Fisher Scientific
English · 22-Dec-2025 · Revision 4
PDF · 6 pagesGadolinium(III) oxide SDS
Trace Sciences
English · Revision not stated
Original publisher & company information
- Brand / organization
- SAM
- Country / office
- United States
- Website
- samaterials.com
- SDS contact email
- Not stated in SDS
- Business phone in SDS
- +1 (949) 407-8904
- Product / reference
- Gadolinium(III) oxide
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) 812-6690About 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 & profileDocument 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
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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-))
CAS 12064-62-9 · CAS Common Chemistry ↗ · PubChem ↗
- Chemical name (IUPAC)
- bis(gadolinium(3+));tris(oxygen(2-)) ↗
- Molecular formula
- Gd2O3 ↗
- Molecular weight
- 362.50 g/mol ↗
- Selected synonyms
- Gadolinium oxide; Gadolinia; Gadolinium trioxide; Gadolinium oxide (Gd2O3); Gadolinium sesquioxide; Gadolinium(3+) oxide ↗
- Chemical structure
- Open structure at PubChem ↗
PubChem reference retrieved 2026-09-14. Exact CAS synonym match.
ECHA CHEM · search CAS 12064-62-9 ↗ · AICIS inventory · search CAS 12064-62-9 ↗
GHS provides classification criteria. The applicable hazard classification must be checked for the specific product and jurisdiction.
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.
| Company | Country | Website | Phone | Evidence | |
|---|---|---|---|---|---|
| Acros-Organics | United States | Website | Not stated | (201) 796-7100 | Source Same material SDS; verify grade and availability |
| Angstrom Sciences, Inc. | United States | Website | info@angstromsciences.com | Not stated | Source Same material SDS; verify grade and availability |
| Avocado Research Chemicals Ltd. | United Kingdom | Website | Not stated | +44 (0) 1524 850506 | Source Same material SDS; verify grade and availability |
| FUJIFILM Wako Pure Chemical Corporation | Japan | Website | Not stated | +81-6-6203-3741 | Source Same material SDS; verify grade and availability |
| Loba Chemie | India | Website | info@lobachemie.com | +91 22 6663 6663 | Source Same material SDS; verify grade and availability |
| Materion | United States | Website | Materion-PS@materion.com | 1.216.383.4019 | Source Same material SDS; verify grade and availability |
| Neonest / BuyIsotope | Sweden | Website | Not stated | Not stated | Source Same material SDS; verify grade and availability |
| ProChem | United States | Website | Not stated | 815-398-1788 | Source Same material SDS; verify grade and availability |
| Sigma-Aldrich | United States | Website | Not stated | +1 800-325-5832 | Source Same material SDS; verify grade and availability |
| Trace Sciences International | Canada | Website | sales@tracesciences.com | +1 905-770-1100 | Source Same material SDS; verify grade and availability |
| American Elements | United States | Website | Not stated | +1 310-208-0551 | Source Official product page · Checked 2026-09-14 |
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Material background on Wikipedia
Look up Gadolinium(III) oxide on Wikipedia. A matching article introduction is displayed when available; product-specific mixtures and reference materials may not have a dedicated article.
Find this material on Wikipedia ↗Introduction from Wikipedia contributors; CC BY-SA 4.0. General material background, not a replacement for this product’s SDS.