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Official reference sources

Each reference links to its originating organization. RESDS is an independent document library; these links do not imply endorsement or certification.

Reference fieldSourceScope
CAS RN & chemical identityCAS Common Chemistry ↗Look up the CAS record. Not every CAS RN is in the public collection.
Chemical name, formula, molecular weight, synonyms & structurePubChem · NCBI / NLM / NIH ↗Compound reference data; individual entries may include contributed information.
Global classification & labelling frameworkUnited Nations · UNECE GHS ↗GHS Rev.11 (2025). A framework, not a product-specific hazard classification.
European Union · CLP & substance informationECHA / ECHA CHEM ↗Check harmonised classifications separately from company notifications.
Australia · industrial chemical inventoryAICIS ↗Search the inventory by CAS RN. Inventory listing is not a safety approval.

Product composition, grade, hazards, handling and revision dates remain those of the original publisher SDS. Reference properties are displayed only after a single PubChem compound result and an exact CAS synonym match. A matching CAS does not independently certify product composition. Values carry their retrieval date; missing or ambiguous matches remain official lookup links.

About this collection

RESDS is a public reference library for rare earth material documents. The publisher named on each record is the document’s original supplier or issuing organization. RESDS hosts a copy; it does not issue, certify or endorse that SDS.

Original files and searchable text

Original PDFs are retained and identified by a SHA-256 file checksum. A matching checksum identifies the same file; it does not verify the accuracy of its safety statements. Full text is extracted page by page in the original language. OCR is identified where used. Formatting, tables, symbols and recognition errors must be checked against the original PDF.

Dates, materials and versions

The original SDS revision is copied from the document. “Added to RESDS” is the date this copy was published here, and “Record updated” is the date its substantive website content changed. Neither means the supplier revised the SDS on that date. All versions held here remain available; ask the supplier for its latest applicable version.

Material indexes use product-identification metadata. Element associations use the original identification and composition sections, with page references shown on each document. They do not infer composition from incidental words elsewhere in the SDS. CAS-reference indexes may include mixture components. An unclassified record remains searchable. Community uploads and source links are not automatically independently verified.

Original source register

1797 documents · Source links below are retained as supplied or collected. A link may move or become unavailable at the original publisher.

DocumentPublisherOriginal revisionAdded to RESDSSource
Thulium (III) sulfate octahydrate 3623 SDS – ProChem, Inc.ProChem, Inc.05/142026-09-14Original source
Thulium 3586 SDS – ProChem, Inc.ProChem, Inc.07/142026-09-14Original source
Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)lanthanum(III) 2177 SDS – ProChem, Inc.ProChem, Inc.02/152026-09-14Original source
Ytterbium (III) 2,2,6,6-tetramethyl-3,5-heptanedionate 3821 SDS – ProChem, Inc.ProChem, Inc.Not stated2026-09-14Original source
Ytterbium (III) Carbonate 3793 SDS – ProChem, Inc.ProChem, Inc.05/142026-09-14Original source
Ytterbium (III) Carbonate 3794 SDS – ProChem, Inc.ProChem, Inc.05/142026-09-14Original source
Ytterbium (III) Chloride Hydrate 3799 SDS – ProChem, Inc.ProChem, Inc.09/142026-09-15Original source
Ytterbium (III) Chloride Hydrate 3801 SDS – ProChem, Inc.ProChem, Inc.09/142026-09-15Original source
Ytterbium (III) Chloride Hydrate 3800 SDS – ProChem, Inc.ProChem, Inc.09/142026-09-15Original source
Ytterbium (III) Chloride Hydrate 3801 SDS – ProChem, Inc.ProChem, Inc.08/252026-09-14Original source
Ytterbium (III) Chloride Hydrate 3800 SDS – ProChem, Inc.ProChem, Inc.08/252026-09-14Original source
Ytterbium (III) Chloride Hydrate 3799 SDS – ProChem, Inc.ProChem, Inc.08/252026-09-14Original source
Ytterbium (III) Fluoride 3803 SDS – ProChem, Inc.ProChem, Inc.10/142026-09-15Original source
Ytterbium (III) Fluoride 3803 SDS – ProChem, Inc.ProChem, Inc.08/252026-09-14Original source
Ytterbium (III) Fluoride 3802 SDS – ProChem, Inc.ProChem, Inc.10/142026-09-14Original source
Ytterbium (III) Nitrate Hydrate 3805 SDS – ProChem, Inc.ProChem, Inc.09/142026-09-15Original source
Ytterbium (III) Nitrate Hydrate 3805 SDS – ProChem, Inc.ProChem, Inc.02/232026-09-14Original source
Ytterbium (III) Nitrate Pentahydrate 3806 SDS – ProChem, Inc.ProChem, Inc.09/142026-09-14Original source
Ytterbium (III) Nitrate Pentahydrate 3807 SDS – ProChem, Inc.ProChem, Inc.09/142026-09-14Original source
Ytterbium (III) Oxalate 3808 SDS – ProChem, Inc.ProChem, Inc.09/142026-09-14Original source
Ytterbium (III) Sulfate 3820 SDS – ProChem, Inc.ProChem, Inc.05/142026-09-14Original source
Ytterbium (III) acetate hydrate SDS – ProChem, Inc.ProChem, Inc.05/142026-09-15Original source
Ytterbium (III) acetate hydrate 3787 SDS – ProChem, Inc.ProChem, Inc.08/252026-09-14Original source
Ytterbium (III) acetate hydrate 3789 SDS – ProChem, Inc.ProChem, Inc.08/252026-09-14Original source
Ytterbium (III) acetate hydrate 3788 SDS – ProChem, Inc.ProChem, Inc.08/252026-09-14Original source
Ytterbium (III) bromide hydrate 3791 SDS – ProChem, Inc.ProChem, Inc.05/142026-09-14Original source
Ytterbium (III) bromide hydrate 3790 SDS – ProChem, Inc.ProChem, Inc.05/142026-09-14Original source
Ytterbium (III) bromide hydrate 3792 SDS – ProChem, Inc.ProChem, Inc.05/142026-09-14Original source
Ytterbium (III) chloride, anhydrous 3796 SDS – ProChem, Inc.ProChem, Inc.05/142026-09-14Original source
Ytterbium (III) oxide 3812 SDS – ProChem, Inc.ProChem, Inc.05/142026-09-15Original source
Ytterbium (III) oxide 3811 SDS – ProChem, Inc.ProChem, Inc.05/142026-09-15Original source
Ytterbium (III) oxide 3813 SDS – ProChem, Inc.ProChem, Inc.05/142026-09-15Original source
Ytterbium (III) oxide 3812 SDS – ProChem, Inc.ProChem, Inc.05/252026-09-14Original source
Ytterbium (III) oxide 3813 SDS – ProChem, Inc.ProChem, Inc.05/252026-09-14Original source
Ytterbium (III) oxide 3811 SDS – ProChem, Inc.ProChem, Inc.05/252026-09-14Original source
Ytterbium 2, 4-pentanedionate hydrate 3814 SDS – ProChem, Inc.ProChem, Inc.10/142026-09-14Original source
Ytterbium sulfate octahydrate 3817 SDS – ProChem, Inc.ProChem, Inc.05/142026-09-15Original source
Ytterbium sulfate octahydrate 3817 SDS – ProChem, Inc.ProChem, Inc.02/232026-09-14Original source
Ytterbium, Chips 3781 SDS – ProChem, Inc.ProChem, Inc.05/152026-09-14Original source
Ytterbium, powder 3784 SDS – ProChem, Inc.ProChem, Inc.10/142026-09-14Original source
Yttrium (III) 2,2,6,6-tetramethyl-3, 5-heptanedionate 3872 SDS – ProChem, Inc.ProChem, Inc.09/142026-09-14Original source
Yttrium (III) Acetate Hydrate 3829 SDS – ProChem, Inc.ProChem, Inc.05/152026-09-14Original source
Yttrium (III) Bromide, Hydrate 3836 SDS – ProChem, Inc.ProChem, Inc.04/152026-09-15Original source
Yttrium (III) Bromide, Hydrate 3835 SDS – ProChem, Inc.ProChem, Inc.04/152026-09-15Original source
Yttrium (III) Bromide, Hydrate 3836-1 SDS – ProChem, Inc.ProChem, Inc.04/152026-09-14Original source
Yttrium (III) Bromide, Hydrate 3836 SDS – ProChem, Inc.ProChem, Inc.Not stated2026-09-14Original source
Yttrium (III) Bromide, Hydrate 3835 SDS – ProChem, Inc.ProChem, Inc.08/262026-09-14Original source
Yttrium (III) Fluoride 3850 SDS – ProChem, Inc.ProChem, Inc.10/142026-09-15Original source
Yttrium (III) Fluoride 3850 SDS – ProChem, Inc.ProChem, Inc.07/262026-09-14Original source
Yttrium (III) Nitrate Hexahydrate 3856 SDS – ProChem, Inc.ProChem, Inc.09/142026-09-15Original source
Yttrium (III) Nitrate Hexahydrate 3856 SDS – ProChem, Inc.ProChem, Inc.10/242026-09-14Original source
Yttrium (III) Nitrate Hexahydrate 3858-1 SDS – ProChem, Inc.ProChem, Inc.05/252026-09-14Original source
Yttrium (III) Nitrate Tetrahydrate 3858 SDS – ProChem, Inc.ProChem, Inc.Not stated2026-09-14Original source
Yttrium (III) Nitrate hydrate 3657 SDS – ProChem, Inc.ProChem, Inc.05/152026-09-14Original source
Yttrium (III) Nitrate hydrate 3658-2 SDS – ProChem, Inc.ProChem, Inc.05/152026-09-14Original source
Yttrium (III) Oxalate Nonahydrate 3859 SDS – ProChem, Inc.ProChem, Inc.09/142026-09-14Original source
Yttrium (III) Sulfide 3871 SDS – ProChem, Inc.ProChem, Inc.05/152026-09-15Original source
Yttrium (III) chloride hexahydrate 3841 SDS – ProChem, Inc.ProChem, Inc.10/142026-09-15Original source
Yttrium (III) chloride hexahydrate 3842 SDS – ProChem, Inc.ProChem, Inc.10/142026-09-15Original source
Yttrium (III) chloride hexahydrate 3841 SDS – ProChem, Inc.ProChem, Inc.07/262026-09-14Original source
Yttrium (III) chloride hexahydrate 3842 SDS – ProChem, Inc.ProChem, Inc.07/262026-09-14Original source
Yttrium (III) chloride, anhydrous 3844 SDS – ProChem, Inc.ProChem, Inc.05/142026-09-15Original source
Yttrium (III) chloride, anhydrous 3844 SDS – ProChem, Inc.ProChem, Inc.07/262026-09-14Original source
Yttrium (III) oxide 3865 SDS – ProChem, Inc.ProChem, Inc.05/142026-09-15Original source
Yttrium (III) oxide 3863 SDS – ProChem, Inc.ProChem, Inc.05/142026-09-15Original source
Yttrium (III) oxide 3862 SDS – ProChem, Inc.ProChem, Inc.05/142026-09-15Original source
Yttrium (III) oxide 3865 SDS – ProChem, Inc.ProChem, Inc.02/252026-09-14Original source
Yttrium (III) oxide 3862 SDS – ProChem, Inc.ProChem, Inc.02/252026-09-14Original source
Yttrium (III) oxide 3863 SDS – ProChem, Inc.ProChem, Inc.02/252026-09-14Original source
Yttrium (III) sulfate octahydrate 3870 SDS – ProChem, Inc.ProChem, Inc.05/142026-09-15Original source
Yttrium (III) sulfate octahydrate 3870 SDS – ProChem, Inc.ProChem, Inc.11/222026-09-14Original source
Yttrium Acetate Tetrahydrate 3832 SDS – ProChem, Inc.ProChem, Inc.05/152026-09-15Original source
Yttrium Acetate Tetrahydrate 3833 SDS – ProChem, Inc.ProChem, Inc.01/252026-09-14Original source
Yttrium Acetate Tetrahydrate 3832 SDS – ProChem, Inc.ProChem, Inc.01/252026-09-14Original source
Yttrium Carbonate Trihydrate 3837 SDS – ProChem, Inc.ProChem, Inc.05/152026-09-14Original source
Yttrium Carbonate Trihydrate 3838 SDS – ProChem, Inc.ProChem, Inc.05/152026-09-14Original source
Yttrium Chloride Tetrahydrofuran Complex 3848 SDS – ProChem, Inc.ProChem, Inc.03/232026-09-14Original source
Yttrium Nitrate Solution SDS – ProChem, Inc.ProChem, Inc.10/132026-09-15Original source
Yttrium, chips SDS – ProChem, Inc.ProChem, Inc.07/142026-09-15Original source
Yttrium, chips 3823 SDS – ProChem, Inc.ProChem, Inc.05/252026-09-14Original source
Yttrium, powder 3826 SDS – ProChem, Inc.ProChem, Inc.09/142026-09-15Original source
Yttrium, powder 3826 SDS – ProChem, Inc.ProChem, Inc.04/262026-09-14Original source
Monazite SDS – RZ Resources LtdRZ Resources LtdOctober 4, 20222026-09-14Original source
SGGG (Gallium and Gadolinium Substituted Garnet) SDS – Saint-Gobain / Luxium SolutionsSaint-Gobain / Luxium Solutions28.08.2018 · Version 22026-09-13Original source
Gadolinium standard solution 1000 mg/L 1000mg/L ガドリニウム標準液 SDS – SeishinSeishinNot stated2026-09-13Original source
Gadodiamide, European Pharmacopoeia (EP) Reference Standard Y0001875 SDS – Sigma-AldrichSigma-Aldrich11/07/2017 · Version 5.02026-09-13Original source
Gadolinium(III) acetate hydrate 325678 SDS – CAS 100587-93-7 – Sigma-AldrichSigma-Aldrich06/27/2014 · Version 5.22026-09-13Original source
Gadolinium(III) acetylacetonate hydrate 331716 SDS – CAS 64438-54-6 – Sigma-AldrichSigma-Aldrich09/18/20192026-09-13Original source
Gadolinium(III) bromide 485020 SDS – Sigma-AldrichSigma-Aldrich06/25/2014 · Version 3.42026-09-13Original source
Gadolinium(III) carbonate hydrate 451126 SDS – CAS 38245-36-2 – Sigma-AldrichSigma-Aldrich07/27/2010 · Version 4.02026-09-13Original source
Gadolinium(III) chloride hexahydrate G7532 SDS – CAS 13450-84-5 – Sigma-AldrichSigma-Aldrich10/21/2016 · Version 5.32026-09-13Original source
Gadolinium(III) fluoride 432164 SDS – CAS 13765-26-9 – Sigma-AldrichSigma-Aldrich09/14/2017 · Version 3.122026-09-13Original source
Gadolinium(III) nitrate hexahydrate 211591 SDS – CAS 19598-90-4 – Sigma-AldrichSigma-Aldrich09/28/2017 · Version 4.32026-09-13Original source
Gadolinium(III) oxide 278513 SDS – CAS 12064-62-9 – Sigma-AldrichSigma-Aldrich09/28/2017 · Version 4.92026-09-13Original source
Gadolinium(III) sulfate octahydrate 203300 SDS – CAS 13450-87-8 – Sigma-AldrichSigma-Aldrich06/28/2014 · Version 4.32026-09-13Original source
Gadolinium(III) trifluoromethanesulfonate 425176 SDS – Sigma-AldrichSigma-Aldrich07/02/2014 · Version 4.32026-09-13Original source
Gadolinium, chips, 99.9% trace rare earth metals basis 263087 SDS – Sigma-AldrichSigma-Aldrich08/10/2015 · Version 4.62026-09-13Original source
Gadoteridol 1287631 SDS – CAS 120066-54-8 – Sigma-AldrichSigma-Aldrich03/03/2018 · Version 5.12026-09-13Original source
Europium(III) oxide SDS – Stanford Advanced MaterialsStanford Advanced Materials09/04/20172026-09-15Original source
Gadolinium(III) chloride, anhydrous 383560000 SDS – CAS 10138-52-0 – Stanford Advanced MaterialsStanford Advanced Materials17-Dec-2020 · Revision 52026-09-13Original source

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