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SDS sources & collection methods

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
Erbium chips (99.9% REO) 93-6831 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium chips (99.9% REO) 93-6831 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium chips (99.9% REO) 93-6831 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium chips (99.9% REO) 93-6831 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium foil (99.9% REO) 93-6834 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium foil (99.9% REO) 93-6833 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium foil (99.9% REO) 93-6833 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium foil (99.9% REO) 93-6834 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium foil (99.9% REO) 93-6834 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium foil (99.9% REO) 93-6833 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium foil (99.9% REO) 93-6833 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium foil (99.9% REO) 93-6833 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium foil (99.9% REO) 93-6834 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium foil (99.9% REO) 93-6834 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium ingot (99.9% REO) 93-6832 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium ingot (99.9% REO) 93-6832 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium ingot (99.9% REO) 93-6832 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium ingot (99.9% REO) 93-6832 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium ingot (99.9% REO) 93-6832 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium(III) acetate hydrate (99.9%-Er) (REO) 93-6824 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) acetate hydrate (99.9%-Er) (REO) 93-6824 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) acetate hydrate (99.9%-Er) (REO) 93-6824 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) acetate hydrate (99.9%-Er) (REO) 93-6824 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium(III) acetate hydrate (99.9%-Er) (REO) 93-6824 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium(III) acetate hydrate (99.9%-Er) (REO) 93-6824 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.07/21/20212026-09-14Original source
Erbium(III) acetylacetonate hydrate (99.9%-Er) (REO) 93-6801 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium(III) acetylacetonate hydrate (99.9%-Er) (REO) 93-6801 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) acetylacetonate hydrate (99.9%-Er) (REO) 93-6801 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium(III) acetylacetonate hydrate (99.9%-Er) (REO) 93-6801 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) acetylacetonate hydrate (99.9%-Er) (REO) 93-6801 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) carbonate hydrate (99.9%-Er) (REO) 93-6822 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) carbonate hydrate (99.9%-Er) (REO) 93-6822 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium(III) carbonate hydrate (99.9%-Er) (REO) 93-6822 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) carbonate hydrate (99.9%-Er) (REO) 93-6822 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) carbonate hydrate (99.9%-Er) (REO) 93-6822 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium(III) chloride hydrate (99.9%-Er) (REO) 93-6804 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) chloride hydrate (99.9%-Er) (REO) 93-6804 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) chloride hydrate (99.9%-Er) (REO) 93-6804 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium(III) chloride hydrate (99.9%-Er) (REO) 93-6804 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) chloride hydrate (99.9%-Er) (REO) 93-6804 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium(III) chloride hydrate (99.999%-Er) (REO) PURATREM 68-6804 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.18.07.20212026-09-15Original source
Erbium(III) chloride hydrate (99.999%-Er) (REO) PURATREM 68-6804 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.18.07.20212026-09-15Original source
Erbium(III) chloride hydrate (99.999%-Er) (REO) PURATREM 68-6804 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.18.07.20212026-09-15Original source
Erbium(III) chloride hydrate (99.999%-Er) (REO) PURATREM 68-6804 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.182026-09-15Original source
Erbium(III) chloride hydrate (99.999%-Er) (REO) 68-6804 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.182026-09-15Original source
Erbium(III) chloride hydrate (99.999+%-Er) (low Ca, Fe, Mg) PURATREM 68-6805 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.18.07.20212026-09-15Original source
Erbium(III) chloride hydrate (99.999+%-Er) (low Ca, Fe, Mg) PURATREM 68-6805 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.182026-09-15Original source
Erbium(III) chloride hydrate (99.999+%-Er) (low Ca, Fe, Mg) PURATREM 68-6805 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.18.07.20212026-09-15Original source
Erbium(III) chloride hydrate (99.999+%-Er) (low Ca, Fe, Mg) PURATREM 68-6805 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.18.07.20212026-09-15Original source
Erbium(III) chloride hydrate (99.999+%-Er) (low Ca, Fe, 68-6805 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.182026-09-15Original source
Erbium(III) chloride, anhydrous (99.9%-Er) (REO) 93-6803 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium(III) chloride, anhydrous (99.9%-Er) (REO) 93-6803 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium(III) chloride, anhydrous (99.9%-Er) (REO) 93-6803 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) chloride, anhydrous (99.9%-Er) (REO) 93-6803 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) chloride, anhydrous (99.9%-Er) (REO) 93-6803 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) hexafluoroacetylacetonate hydrate (99.9%-Er) (REO) 68-6900 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.182026-09-15Original source
Erbium(III) hexafluoroacetylacetonate hydrate (99.9%-Er) (REO) 68-6900 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.18.07.20212026-09-15Original source
Erbium(III) hexafluoroacetylacetonate hydrate (99.9%-Er) (REO) 68-6900 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.18.07.20212026-09-15Original source
Erbium(III) hexafluoroacetylacetonate hydrate (99.9%-Er) (REO) 68-6900 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.18.07.20212026-09-15Original source
Erbium(III) hexafluoroacetylacetonate hydrate (99.9%-Er) 68-6900 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.182026-09-15Original source
Erbium(III) iodide, anhydrous (99.9%-Er) (REO) 93-6823 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium(III) iodide, anhydrous (99.9%-Er) (REO) 93-6823 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) iodide, anhydrous (99.9%-Er) (REO) 93-6823 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) iodide, anhydrous (99.9%-Er) (REO) 93-6823 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium(III) iodide, anhydrous (99.9%-Er) (REO) 93-6823 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) nitrate hydrate (99.9%-Er) (REO) 93-6808 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium(III) nitrate hydrate (99.9%-Er) (REO) 93-6808 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) nitrate hydrate (99.9%-Er) (REO) 93-6808 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) nitrate hydrate (99.9%-Er) (REO) 93-6808 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) oxide (99.9%-Er) (REO) 93-6810 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) oxide (99.9%-Er) (REO) 93-6810 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium(III) oxide (99.9%-Er) (REO) 93-6810 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) oxide (99.9%-Er) (REO) 93-6810 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium(III) oxide (99.9%-Er) (REO) 93-6810 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) oxide (99.995%-Er) (REO) PURATREM 93-6820 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) oxide (99.995%-Er) (REO) PURATREM 93-6820 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium(III) oxide (99.995%-Er) (REO) PURATREM 93-6820 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) oxide (99.995%-Er) (REO) PURATREM 93-6820 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.21.07.20212026-09-15Original source
Erbium(III) oxide (99.995%-Er) (REO) PURATREM 93-6820 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-15Original source
Erbium(III) perchlorate, 50% aqueous solution (99.9%-Er) (REO) 93-6821 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.15.07.20212026-09-15Original source
Erbium(III) perchlorate, 50% aqueous solution (99.9%-Er) (REO) 93-6821 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.152026-09-15Original source
Erbium(III) perchlorate, 50% aqueous solution (99.9%-Er) (REO) 93-6821 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.15.07.20212026-09-15Original source
Erbium(III) perchlorate, 50% aqueous solution (99.9%-Er) (REO) 93-6821 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.15.07.20212026-09-15Original source
Erbium(III) perchlorate, 50% aqueous solution (99.9%-Er) 93-6821 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.152026-09-15Original source
Erbium(III) trifluoromethanesulfonate, min. 98% (Erbium 68-6000 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.182026-09-15Original source
Erbium(III) trifluoromethanesulfonate, min. 98% (Erbium triflate) 68-6000 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.18.07.20212026-09-15Original source
Erbium(III) trifluoromethanesulfonate, min. 98% (Erbium triflate) 68-6000 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.182026-09-15Original source
Erbium(III) trifluoromethanesulfonate, min. 98% (Erbium triflate) 68-6000 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.18.07.20212026-09-15Original source
Erbium(III) trifluoromethanesulfonate, min. 98% (Erbium triflate) 68-6000 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.18.07.20212026-09-15Original source
Europium(III) chloride, anhydrous (99.9%-Eu) (REO) 93-6305 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.07/21/20212026-09-14Original source
Europium(III) perchlorate, 50% aqueous solution (99.9%-Eu) (REO) 93-6323 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.07/15/20212026-09-14Original source
Europium(III) sulfate octahydrate (99.9%-Eu) (REO) 93-6324 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.07/21/20212026-09-14Original source
Europium(III) sulfate octahydrate (99.99%-Eu) (REO) PURATREM 93-6330 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.07/21/20212026-09-14Original source
Europium(III) sulfate octahydrate (99.99%-Eu) (REO) PURATREM 93-6330 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.2021.07.212026-09-14Original source
Gadolinium ingot (99.9% REO) 93-6432 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.07/21/20212026-09-14Original source
Gadolinium powder (99.9% REO) 93-6430 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.07/21/20212026-09-14Original source
Gadolinium(III) 2-ethylhexanoate (approx. 25% in toluene) 64-3500 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.07/14/20212026-09-14Original source
Gadolinium(III) acetate tetrahydrate (99.9%-Gd) (REO) 93-6424 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.07/21/20212026-09-14Original source
Gadolinium(III) carbonate hydrate (99.99%-Gd) (REO) PURATREM 64-3000 SDS – Strem Chemicals, Inc.Strem Chemicals, Inc.07/18/20212026-09-14Original source
Gadolinium(III) hydroxide hydrate (99.9%-Gd) (REO) 64-3600 SDS – CAS 16469-18-4 – Strem Chemicals, Inc.Strem Chemicals, Inc.07/18/20212026-09-14Original source

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