Description

Tris(cyclopentadienyl)yttrium(III) (CAS No. 1294-07-1) is an organometallic compound with the molecular formula C₁₅H₁₅Y, featuring yttrium(III) coordinated to three cyclopentadienyl (Cp) rings. This highly pure and thermally stable compound is widely used in advanced materials research, catalysis, and as a precursor for chemical vapor deposition (CVD) or atomic layer deposition (ALD) processes. Its well-defined molecular structure and reactivity make it valuable for synthesizing yttrium-containing nanomaterials, thin films, and specialty polymers. Available in rigorously controlled batches, our Tris(cyclopentadienyl)yttrium(III) is ideal for applications requiring precision and reproducibility in academic and industrial R&D settings.

Properties

• CAS Number: 1294-07-1
• Complexity: 86.8
• IUPAC Name: cyclopenta-1,3-diene;yttrium(3+)
• InChI: InChI=1S/3C5H5.Y/c3*1-2-4-5-3-1;/h3*1-5H;/q3*-1;+3
• InChI Key: OLQIFTSPAVIXCQ-UHFFFAOYSA-N
• Exact Mass: 284.023214
• Molecular Formula: C15H15Y
• Molecular Weight: 284.18
• SMILES: [CH-]1C=CC=C1.[CH-]1C=CC=C1.[CH-]1C=CC=C1.[Y+3]
• Monoisotopic Mass: 284.023214
• Synonyms: Tris(cyclopentadienyl)yttrium(III), 1294-07-1, cyclopenta-1,3-diene;yttrium(3+), Tris(eta5-cyclopenta-2,4-dien-1-yl)yttrium, EINECS 215-069-4, tricyclopentadienylyttrium, Tris(.eta.5-cyclopenta-2,4-dien-1-yl)yttrium

Tris(cyclopentadienyl)yttrium(III) serves as a key precursor for depositing yttrium oxide films in semiconductor manufacturing via CVD/ALD. It is also employed in catalysis for polymerization reactions and as a reagent in organometallic synthesis. Researchers utilize it to develop luminescent materials and superconducting thin films due to its high thermal stability and reactivity.

Safety and Hazards

GHS Hazard Statements

• H228 (100%): Flammable solid [Danger Flammable solids]
• H261 (90.7%): In contact with water releases flammable gas [Danger Substances and mixtures which in contact with water, emit flammable gases]

Precautionary Statements

• P210, P231+P232, P240, P241, P280, P370+P378, P402+P404, and P501

Hazard Classes and Categories

• Flam. Sol. 2 (100%)
• Water-react. 2 (90.7%)

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