Europium(III) oxalate hydrate
Europium(III) oxalate hydrate (CAS: 304675-55-6) is a hydrated inorganic compound with the chemical formula Eu2(C2O4)3 · xH2O. This high-purity (99.999%) substance, with a molecular weight of 567.99 on an anhydrous basis, finds application in catalysis and chemical synthesis. It is a key europium compound for various research and industrial processes requiring precise stoichiometry and high assay.
- IUPAC
- Ethanedioic acid europium salt hydrate
- Synonyms
- Ethanedioic acid europium salt hydrate

Catalysis
As a europium compound, it can serve as a precursor or component in catalytic systems. Its properties may be leveraged in reactions requiring specific metal-organic interactions.
Chemical Synthesis
Europium(III) oxalate hydrate is employed as a starting material or intermediate in the synthesis of other complex inorganic compounds and materials.
Inorganic Chemistry Research
This compound is utilised in academic and industrial research laboratories for studying lanthanide chemistry and developing novel inorganic materials.
| Molecular weight | 567.99 (anhydrous basis) |
|---|---|
| Linear formula | Eu2(C2O4)3 · xH2O |
| Assay | 99.999% |

Hazard statements
- H302Harmful if swallowed
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Water hazard class (WGK, DE) | 1 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 21/22 |
| Safety statements (S) | 24/25 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Europium(III) oxalate hydrate used for?
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Europium(III) oxalate hydrate is primarily used in catalysis, chemical synthesis, and inorganic chemistry research.
What is the CAS number and formula for Europium(III) oxalate hydrate?
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The CAS number is 304675-55-6 and the formula is Eu2(C2O4)3 · xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Europium(III) oxalate hydrate with an assay of 99.999%. This is a high-purity grade suitable for research and demanding synthetic applications. TSS does not represent this product as USP, BP, or EP grade.
What are the safety considerations for handling Europium(III) oxalate hydrate?
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Europium(III) oxalate hydrate is classified as Warning. It is harmful if swallowed and harmful in contact with skin (H302 + H312). Handle with appropriate personal protective equipment, such as gloves and eye protection, and ensure adequate ventilation. Avoid ingestion and skin contact.
How is this chemical packed and shipped?
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Tech Serve Solutions securely packs and exports chemicals globally, adhering to all relevant shipping regulations to ensure safe arrival.
How can I request a sample or quote for Europium(III) oxalate hydrate?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing the product name and CAS number.
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