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Description
Europium(III) Chloride is the chloride salt of europium, one of the rare earth elements belonging to the lanthanide series, supplied by TCI under catalog code E1489. In the laboratory, this compound serves as a practical and readily soluble source of Eu³⁺ ions for a wide range of purposes, from the preparation of luminescent complexes to the synthesis of precursors for inorganic materials. The trivalent europium ion is well known for its sharp and characteristic red emission, which makes this salt a standard starting material for researchers developing luminescent materials, analytical probes, and rare earth based catalysts.
The properties that make this material a preferred choice lie in the electronic behavior of the Eu³⁺ ion. Electronic transitions within the 4f orbitals produce extremely narrow emission bands, long luminescence lifetimes on the microsecond to millisecond scale, and a large Stokes shift. This combination enables time gated measurements that are almost entirely free from background fluorescence interference. In addition, the Eu³⁺ ion acts as a Lewis acid and adopts high coordination numbers, so it readily binds oxygen and nitrogen donor ligands to form stable, well defined complexes.
Laboratories in Indonesia use this salt mainly in academic and institutional research settings, where a reliable source of Eu³⁺ ions is needed for coordination chemistry, materials synthesis, and luminescence based analytical work. Because the material dissolves easily and behaves predictably, it fits well into small scale exploratory work as well as routine method development. Supplying it through an established catalog line also helps research groups maintain consistency between repeated experiments and across different projects.
Laboratory Applications
- Synthesis of luminescent europium complexes, where the soluble Eu³⁺ source allows direct combination with organic donor ligands to build well defined emissive coordination compounds.
- Time resolved fluorescence assays and analytical probes, taking advantage of the long luminescence lifetime of Eu³⁺ to separate the analytical signal from short lived background fluorescence.
- Preparation of inorganic material precursors, where the chloride salt provides a convenient entry point to europium doped oxides, phosphors, and other solid state matrices.
- Rare earth coordination chemistry studies, since the Lewis acidic Eu³⁺ centre with its high coordination number supports systematic investigation of ligand binding and complex geometry.
- Development of rare earth based catalysts, where europium can be introduced as a well defined trivalent lanthanide centre for screening catalytic activity and structure–activity relationships.
Specifications
- Brand: TCI, catalog code E1489
- CAS number: 10025-76-0
- Category: Chemistry > Catalysis and Inorganic Chemistry > Rare Earth Elements
- Chemical identity: Europium(III) Chloride, a chloride salt of the lanthanide element europium
- Physical form: solid salt, supplied for laboratory use
- Pack sizes: available in the standard TCI catalog pack options; please confirm the currently listed size when ordering
- Storage: keep in a tightly closed container in a cool, dry place
Handling and Storage
Store Europium(III) Chloride in a tightly closed original container in a cool, dry, and well ventilated area, away from moisture and from incompatible chemicals. Rare earth chlorides are generally hygroscopic in character, so containers should be kept sealed and opened only briefly to limit exposure to atmospheric humidity, which can affect handling and weighing consistency. Use glass or chemically resistant plastic containers for prepared solutions, and label them clearly with the compound name and date. Handle the solid inside a fume hood or with adequate local ventilation, and wear standard personal protective equipment including safety glasses, gloves, and a laboratory coat. Avoid generating dust, avoid contact with skin and eyes, and wash hands thoroughly after use. Dispose of residues and contaminated materials in accordance with applicable institutional and local chemical waste procedures, and consult the manufacturer safety data sheet before first use.
