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Public Gadolinium Oxide (Gd2O3) SDS, MSDS, COA, TDS & Specification PDF Library
Discussion
I am building a public reference library for gadolinium oxide (Gd2O3, CAS 12064-62-9).
Below are public documents and official document-access pages that I could verify. The goal is to keep one useful thread for researchers, engineers, buyers, suppliers and quality teams looking for SDS/MSDS, COA, specification and technical data.
Last checked: 7 September 2026.
=== SDS / MSDS ===
1) Fisher Scientific / Thermo Fisher – Gadolinium oxide SDS
https://www.fishersci.com/store/msds?countryCode=US&language=en&partNumber=AA11289&productDescription=keyword&vendorId=VN00024248
2) Thermo Fisher / Alfa Aesar – Gadolinium(III) oxide nanopowder SDS
https://assets.thermofisher.com/DirectWebViewer/private/results.aspx?LANGUAGE=d__EN&PLANT=d__ALF&SKU=ALFAA44020&SUBFORMAT=d__CGV4&page=NewSearch
3) ProChem – Gadolinium oxide SDS (PDF)
https://prochemonline.com/wp-content/uploads/2021/06/1836.GadoliniumOxide.pdf
4) Spectrum Chemical – Gadolinium Oxide MSDS (PDF)
https://www.spectrumchemical.com/MSDS/G1001_MSDS.pdf
5) American Elements – 99.9% Gadolinium Oxide Powder SDS (PDF)
https://www.americanelements.com/print/view/pdf/products_sds/block_1?view_args%5B%5D=9065
6) American Elements – 99.99% Gadolinium Oxide Powder SDS (PDF)
https://www.americanelements.com/print/view/pdf/products_sds/block_1?view_args%5B%5D=9066
7) American Elements – 99.999% Gadolinium Oxide Powder SDS (PDF)
https://www.americanelements.com/print/view/pdf/products_sds/block_1?view_args%5B%5D=9067
8) ChemicalBook – Gadolinium oxide SDS (PDF)
https://www.chemicalbook.com/msds/gadolinium-oxide.pdf
=== COA / Certificate of Analysis ===
9) Thermo Fisher / Acros Organics – Gadolinium(III) oxide 99.9%, Lot A0430868 COA (PDF)
https://documents.thermofisher.com/TFS-Assets/CCG/certificate/Certificate-of-Analysis/GEEL_31551_A0430868.PDF
10) Thermo Fisher product page – recent COA lookup for catalog 31551
https://www.thermofisher.cn/order/catalog/product/315510100
11) Sigma-Aldrich – Gadolinium(III) oxide nanopowder, COA lookup
https://b2b.sigmaaldrich.com/JP/en/product/aldrich/637335
12) FUJIFILM Wako – Gadolinium Oxide 99.9%, COA lookup
https://labchem-wako.fujifilm.com/us/product/detail/W01W0107-0456.html
13) Kishida Chemical – Gadolinium oxide, COA lookup
https://www.kishida.co.jp/product/catalog/detail/id/5744
14) Molekula – Gadolinium(III) oxide 99.9%, COA by batch
https://molekula.com/index.php/product/gadolinium-iii-oxide-999
=== Specification / TDS / Product Datasheets ===
15) FUJIFILM Wako – Gadolinium Oxide 99.9% Product Specification (PDF)
https://labchem-wako.fujifilm.com/us/product/spec_07-0456.pdf?jeAttribute=E
16) Kishida Chemical – Gadolinium oxide 99.99% Specification (PDF)
https://www.kishida.co.jp/product/catalog/stable/id/5744/code/3354-640.pdf
17) Molekula – Gadolinium(III) oxide 99.9% Technical Data Sheet / Specification (PDF)
https://molekula.com/specification/89967852.pdf
18) American Elements – Gadolinium Oxide Powder 99% Product Datasheet (PDF)
https://www.americanelements.com/print/view/pdf/product_datasheet/block_1?view_args%5B%5D=9064
19) American Elements – Gadolinium Oxide Powder 99.99% Product Datasheet (PDF)
https://www.americanelements.com/print/view/pdf/product_datasheet/block_1?view_args%5B%5D=9066
=== Catalog / Reference PDF ===
20) Kanto Chemical general catalog – includes Gadolinium(III) oxide and nanopowder entries (PDF)
https://cica-catalog.kanto.co.jp/pdfdir/%E3%81%95.pdf
Notes:
- COAs are lot-specific. A COA from one batch should not be treated as the COA for another batch.
- “99.9%”, “99.99%” and “99.999%” can be defined differently by suppliers (for example, trace-metals basis vs. Gd2O3/TREO). Always read the actual specification and COA.
- SDS classifications can differ by supplier, product form and jurisdiction. Use the SDS supplied with the exact product you purchased.
- Some document links may change over time. If a link is broken, reply to this thread with the supplier name, catalog number and a working source.
- Please link to original manufacturer documents where possible rather than uploading third-party copies.
If you know of another public Gd2O3 SDS, MSDS, COA, TDS, specification sheet or quality document, please reply with the original source.
This thread can become a long-term public document index for gadolinium oxide.
Below are public documents and official document-access pages that I could verify. The goal is to keep one useful thread for researchers, engineers, buyers, suppliers and quality teams looking for SDS/MSDS, COA, specification and technical data.
Last checked: 7 September 2026.
=== SDS / MSDS ===
1) Fisher Scientific / Thermo Fisher – Gadolinium oxide SDS
https://www.fishersci.com/store/msds?countryCode=US&language=en&partNumber=AA11289&productDescription=keyword&vendorId=VN00024248
2) Thermo Fisher / Alfa Aesar – Gadolinium(III) oxide nanopowder SDS
https://assets.thermofisher.com/DirectWebViewer/private/results.aspx?LANGUAGE=d__EN&PLANT=d__ALF&SKU=ALFAA44020&SUBFORMAT=d__CGV4&page=NewSearch
3) ProChem – Gadolinium oxide SDS (PDF)
https://prochemonline.com/wp-content/uploads/2021/06/1836.GadoliniumOxide.pdf
4) Spectrum Chemical – Gadolinium Oxide MSDS (PDF)
https://www.spectrumchemical.com/MSDS/G1001_MSDS.pdf
5) American Elements – 99.9% Gadolinium Oxide Powder SDS (PDF)
https://www.americanelements.com/print/view/pdf/products_sds/block_1?view_args%5B%5D=9065
6) American Elements – 99.99% Gadolinium Oxide Powder SDS (PDF)
https://www.americanelements.com/print/view/pdf/products_sds/block_1?view_args%5B%5D=9066
7) American Elements – 99.999% Gadolinium Oxide Powder SDS (PDF)
https://www.americanelements.com/print/view/pdf/products_sds/block_1?view_args%5B%5D=9067
8) ChemicalBook – Gadolinium oxide SDS (PDF)
https://www.chemicalbook.com/msds/gadolinium-oxide.pdf
=== COA / Certificate of Analysis ===
9) Thermo Fisher / Acros Organics – Gadolinium(III) oxide 99.9%, Lot A0430868 COA (PDF)
https://documents.thermofisher.com/TFS-Assets/CCG/certificate/Certificate-of-Analysis/GEEL_31551_A0430868.PDF
10) Thermo Fisher product page – recent COA lookup for catalog 31551
https://www.thermofisher.cn/order/catalog/product/315510100
11) Sigma-Aldrich – Gadolinium(III) oxide nanopowder, COA lookup
https://b2b.sigmaaldrich.com/JP/en/product/aldrich/637335
12) FUJIFILM Wako – Gadolinium Oxide 99.9%, COA lookup
https://labchem-wako.fujifilm.com/us/product/detail/W01W0107-0456.html
13) Kishida Chemical – Gadolinium oxide, COA lookup
https://www.kishida.co.jp/product/catalog/detail/id/5744
14) Molekula – Gadolinium(III) oxide 99.9%, COA by batch
https://molekula.com/index.php/product/gadolinium-iii-oxide-999
=== Specification / TDS / Product Datasheets ===
15) FUJIFILM Wako – Gadolinium Oxide 99.9% Product Specification (PDF)
https://labchem-wako.fujifilm.com/us/product/spec_07-0456.pdf?jeAttribute=E
16) Kishida Chemical – Gadolinium oxide 99.99% Specification (PDF)
https://www.kishida.co.jp/product/catalog/stable/id/5744/code/3354-640.pdf
17) Molekula – Gadolinium(III) oxide 99.9% Technical Data Sheet / Specification (PDF)
https://molekula.com/specification/89967852.pdf
18) American Elements – Gadolinium Oxide Powder 99% Product Datasheet (PDF)
https://www.americanelements.com/print/view/pdf/product_datasheet/block_1?view_args%5B%5D=9064
19) American Elements – Gadolinium Oxide Powder 99.99% Product Datasheet (PDF)
https://www.americanelements.com/print/view/pdf/product_datasheet/block_1?view_args%5B%5D=9066
=== Catalog / Reference PDF ===
20) Kanto Chemical general catalog – includes Gadolinium(III) oxide and nanopowder entries (PDF)
https://cica-catalog.kanto.co.jp/pdfdir/%E3%81%95.pdf
Notes:
- COAs are lot-specific. A COA from one batch should not be treated as the COA for another batch.
- “99.9%”, “99.99%” and “99.999%” can be defined differently by suppliers (for example, trace-metals basis vs. Gd2O3/TREO). Always read the actual specification and COA.
- SDS classifications can differ by supplier, product form and jurisdiction. Use the SDS supplied with the exact product you purchased.
- Some document links may change over time. If a link is broken, reply to this thread with the supplier name, catalog number and a working source.
- Please link to original manufacturer documents where possible rather than uploading third-party copies.
If you know of another public Gd2O3 SDS, MSDS, COA, TDS, specification sheet or quality document, please reply with the original source.
This thread can become a long-term public document index for gadolinium oxide.
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