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01 / SAFETY DATA SHEET

Gadolinium oxide SDS

Original ProChem safety data sheet for Gadolinium 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 sections14/16
Coverage88%
Hazard codes0
Precautionary codes0
UN numbers0
Same-material docs20

GHS & transport evidence

Page links show the first occurrence found in extracted text.

CAS numbers
12064-62-9 p.1
Signal words
None detected in extracted text

SDS 16-section coverage

14 section headings detected; 2 not detected by the parser.

1. Identification · not detected2. Hazard identification · detected3. Composition / ingredients · 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 · not 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 point2330 °C2603.15 K4226.0 °F

Same-material SDS comparison

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

PublisherRevisionLanguageRegionPages
Current ProChemNot statedEnglishNot stated3
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 oxide
Product / grade
1838
Publisher
ProChem
Region
Not stated
File name
018_Gadolinium_oxide_ProChem_EN.pdf
Document type
SDS
CAS reference(s)
12064-62-9
Language
English
Original revision
Not stated
Pages
3
File size
886 KB
Downloads
15
Date added
2026-09-13
05 / DOCUMENT TEXT

Full document text

3 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

SECTION 1 PRODUCT AND COMPANY INFORMATION

PRODUCT NAME: Gadolinium oxide

PRODUCT NUMBER: 1838

CAS NUMBER: 12064-62-9

MANUFACTURER:

Prochem, Inc. PHONE: 815-398-1788 826 Roosevelt Road FAX: 815-398-1810 Rockford, IL 61109 TOLL FREE: 800-795-8788

IN CASE OF TRANSPORTATION EMERGENCY CONTACT CHEM-TREC: 1-800-424-9300

SECTION 2 HAZARDS IDENTIFICATION

CLASSIFICATION OF SUBSTANCE OR MIXTURE

Not a dangerous substance according to the GHS

HMIS CLASSIFICATION: Health: 1 Flammability: 0 Reactivity: 0 NFPA RATING: Health: 1 Fire: 0 Reactivity Hazard: 0

EYE CONTACT: May cause slight to mild irritation of they eyes. SKIN CONTACT: May cause slight to mild irritation of the skin. INHALATION: May be irritating to the nose, mucous membranes, and respiratory tract. INGESTION: No information available on the effects of ingestion.

SECTION 3 COMPOSITION / INFORMATION ON INGREDIENTS

Formula: Gd2O3

Molecular Weight: 362.5

CHEMICAL NAME CAS# %

Gadolinium oxide 12064-62-9 100

SECTION 4 FIRST AID MEASURES

EYE EXPOSURE: Immediately flush the eyes with copious amounts of water for at least 15 minutes. Assure flushing under eyelids. A victim may need assistance in keeping their eyelids open. Get immediate competent medical attention. SKIN EXPOSURE: Wash affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if irritation persists.

GADOLINIUM OXIDE PAGE 1

Page 2

SECTION 4 FIRST AID MEASURES (Cont.)

INHALATION: Remove victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty in breathing, coughing, wheezing, or pain. In such cases, seek immediate medical assistance. INGESTION: Seek medical assistance immediately. Keep the victim calm. Give the victim water (only if conscious). Induce vomiting only if directed by medical personnel.

SECTION 5 FIREFIGHTING MEASURES

FLASH POINT: Product is not flammable. AUTO IGNITION TEMPERATURE: None EXPLOSION LIMITS: None EXTINGUISHING MEDIUM: Use fire fighting measures that suit the surrounding fire. SPECIAL FIRE FIGHTING PROCEDURES: No special fire fighting procedures. The material is non-flammable. HAZARDOUS COMBUSTION AND DECOMPOSITION PRODUCTS: No hazardous decomposition products.

SECTION 6 ACCIDENTAL RELEASE MEASURES

PERSONAL PRECAUTIONS: Wear appropriate personal protective equipment. Avoid dust formation. Avoid breathing dust, vapors, mist, or gas. Ensure adequate ventilation. ENVIRONMENTAL PRECAUTIONS: Do not let product enter drains or allow to be released into the environment. METHODS AND MATERIALS FOR CONTAINMENT AND CLEANING UP: Small spills can be mixed with vermiculite or sodium carbonate and swept up.

SECTION 7 HANDLING AND STORAGE

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. CONDITIONS FOR SAFE STORAGE: Store in a tightly sealed container in a dry and well-ventilated area. Hygroscopic. Store under inert gas.

SECTION 8 EXPOSURE CONTROLS AND PERSONAL PROTECTION

EYE PROTECTION: Always wear approved safety glasses with side shields, safety goggles, or face shield when handling a chemical substance in the laboratory. SKIN PROTECTION: Chemical resistant gloves. VENTILATION: Handle in an efficient chemical fume hood. RESPIRATOR: If in form of fine dust and ventilation is not available a respirator should be worn. The use of respirators requires a Respirator Protection Program to be in compliance with 29 CFR 19-10.134.

SECTION 9 PHYSICAL AND CHEMICAL PROPERTIES

COLOR AND FORM: White powder MOLECULAR WEIGHT: 362.5 BOILING POINT: No data available MELTING POINT: 2330°C SPECIFIC GRAVITY: 7.407 gm/ml

SECTION 9 PHYSICAL AND CHEMICAL PROPERTIES (Cont.)

VAPOR PRESSURE: No data available SOLUBILITY: Insoluble

SECTION 10 STABILITY AND REACTIVITY

STABILITY: Stable HAZARDOUS POLYMERIZATION: No hazardous polymerization CONDITIONS TO AVOID: No data available INCOMPATIBILITY: Active metals and strong acids DECOMPOSITION PRODUCTS: No hazardous decomposition products

GADOLINIUM OXIDE PAGE 2

Page 3

SECTION 11 TOXICOLOGICAL DATA

CARCINOGENIC EFFECTS: No components of this product present at levels greater than or equal to 0.1% is identified as a confirmed carcinogen by IARC, ACGIH, NTP, and OSHA. MUTAGENIC EFFECTS: Not available TETRATOGENIC EFFECTS: Not available

To the best of our knowledge the toxicological effects of this compound have not been fully investigated.

SECTION 12 ECOLOGICAL DATA

No information available

SECTION 13 DISPOSAL CONSIDERATIONS

Dispose of in according to local, state, and federal regulations.

SECTION 14 TRANSPORTATION DATA

Non-hazardous material

SECTION 15 REGULATORY INFORMATION

TSCA: Listed in the TSCA inventory

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

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

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.

SECTION 16 OTHER INFORMATION

DISCLAIMER: The information herein is believed to be accurate and reliable as of the date compiled. However, Prochem, Inc. makes no representation, warranty, or guarantee of any kind with respect to the information in this document or any use of the product based on the information. DATE PREPARED: 04/14

GADOLINIUM OXIDE PAGE 3

06 / OTHER PUBLISHERS

Same material — SDS from other publishers

19 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 · 7 pages

Gadolinium(III) oxide SDS

Sigma-Aldrich

English · 09/28/2017 · Version 4.9

PDF · 7 pages

Gadolinium(III) oxide SDS

Stanford Advanced Materials

English · 09/04/2017 · Version 3.0

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

Manufacturer / supplier listed in SDS

ProChem

Official website checked
Brand / organization
ProChem
Country / office
United States
SDS contact email
Not stated in SDS
Business phone in SDS
815-398-1788
Product / reference
1838
Official website contactContact page / website Source · Checked 2026-09-14
View extracted supplier details
COMPANY INFORMATION

PRODUCT NAME:    Gadolinium oxide

PRODUCT NUMBER:  1838

CAS NUMBER:        12064-62-9


MANUFACTURER:


Prochem, Inc.                                         PHONE:        815-398-1788
826 Roosevelt Road                                          FAX:           815-398-1810
Rockford, IL  61109                                     TOLL FREE:    800-795-8788

About ProChem

ProChem 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 oxide — Safety Data Sheet — ProChem

Added: 2026-09-13T12:40:01.000Z · Record updated: 2026-09-14T02:29:00.557Z

Original file SHA-256: c4ca007132daf5c12c3f7d812602e5c87e195d5cb17c343b7d6a8c668367e3c3

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
Sigma-AldrichUnited StatesWebsite Not stated+1 800-325-5832Source Same material SDS; verify grade and availability
Stanford AdvancedUnited StatesWebsite Not stated+1 (949) 407-8904Source 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
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10 / GLOBAL SEARCH

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11 / WIKIPEDIA

Material background on Wikipedia

Look up Gadolinium oxide on Wikipedia. A matching article introduction is displayed when available; product-specific mixtures and reference materials may not have a dedicated article.

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