Tris(butylcyclopentadienyl)yttrium(III)
Tris(butylcyclopentadienyl)yttrium(III), CAS 312739-77-8, is an organometallic compound with the formula Y(C5H4CH2(CH2)2CH3)3. It has a molecular weight of 452.50 g/mol and is typically supplied as a liquid. This yttrium precursor is valuable in materials science and microelectronics, particularly for its application in chemical vapour deposition (CVD) and atomic layer deposition (ALD) processes, enabling the synthesis of thin films and advanced materials.

Chemical Vapor Deposition (CVD)
Utilised as a precursor for depositing yttrium-containing thin films via CVD techniques, enabling the creation of specialized coatings and layers in microelectronic devices and advanced materials.
Atomic Layer Deposition (ALD)
Serves as a highly effective precursor in ALD processes for depositing conformal yttrium oxide or other yttrium-based thin films with precise thickness control, critical for semiconductor fabrication.
Materials Science Research
Investigated for its role in synthesizing novel yttrium-containing materials and catalysts, contributing to advancements in various fields of materials science.
Catalysis
Potentially employed as a catalyst or catalyst precursor in various chemical synthesis reactions, leveraging the unique properties of yttrium.
| Molecular weight | 452.50 |
|---|---|
| Linear formula | Y(C5H4CH2(CH2)2CH3)3 |
| Assay | 99.9% trace metals basis |
| Form | liquid |
| Density | 1.11 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5685(lit.) |

Hazard statements
- H226Flammable liquid and vapour
- H261In contact with water releases flammable gas
Precautionary statements
- P231Handle under inert gas
- P422
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 57 °C / 134.6 °F |
| Transport (UN / ADR) | UN 3399 4.3/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 10-14/15 |
| Safety statements (S) | 43 |
| Supplemental hazards | Reacts violently with water. |
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 Tris(butylcyclopentadienyl)yttrium(III) used for?
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Tris(butylcyclopentadienyl)yttrium(III) is primarily used as a precursor in Chemical Vapor Deposition (CVD) and Atomic Layer Deposition (ALD) for creating yttrium-containing thin films, which are important in microelectronics and materials science. It may also find applications in catalysis and chemical synthesis.
What is the CAS number and chemical formula for Tris(butylcyclopentadienyl)yttrium(III)?
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The CAS number is 312739-77-8, and the chemical formula is Y(C5H4CH2(CH2)2CH3)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tris(butylcyclopentadienyl)yttrium(III) with an assay of 99.9% trace metals basis. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Tris(butylcyclopentadienyl)yttrium(III) be handled safely?
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Tris(butylcyclopentadienyl)yttrium(III) is a flammable liquid that reacts violently with water. It requires careful handling in a well-ventilated area, away from ignition sources. Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, must be used. It must be stored under an inert atmosphere and kept away from water.
Is Tris(butylcyclopentadienyl)yttrium(III) shipped internationally?
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Yes, Tech Serve Solutions, as a specialist global supplier and exporter, can ship Tris(butylcyclopentadienyl)yttrium(III) to customers worldwide, adhering to all necessary regulations for chemical transport.
How can I request a quote or sample?
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To request a quote or a sample of Tris(butylcyclopentadienyl)yttrium(III), please contact our sales department through the website or by phone, providing your specific requirements.
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