Tris(cyclopentadienyl)praseodymium(III)
Tris(cyclopentadienyl)praseodymium(III), CAS 11077-59-1, with the formula Pr(C5H5)3 and a molecular weight of 336.19 g/mol, is a highly reactive organometallic compound. Supplied as a solid, it is primarily utilised as a precursor in materials science, particularly for chemical vapour deposition (CVD) and atomic layer deposition (ALD) processes. Its applications extend to catalysis and inorganic synthesis, enabling the deposition of praseodymium-containing thin films for various electronic and optical applications.

CVD and ALD Precursor
This praseodymium complex serves as a volatile precursor for Chemical Vapour Deposition (CVD) and Atomic Layer Deposition (ALD) techniques. It facilitates the deposition of high-quality praseodymium-containing thin films for applications in microelectronics and optoelectronics.
Catalysis and Inorganic Synthesis
The organometallic nature of Tris(cyclopentadienyl)praseodymium(III) makes it a valuable reagent in catalysis and broader inorganic synthesis. It can be employed as a Lewis acid catalyst or as a building block for novel inorganic materials.
Materials Science
In materials science, this compound is used for developing advanced materials with specific magnetic, optical, or electrical properties. Its controlled decomposition allows for the precise engineering of material structures at the nanoscale.
| Molecular weight | 336.19 |
|---|---|
| Linear formula | Pr(C5H5)3 |
| Assay | 99.9% trace metals basis |
| Form | solid |
| Melting point | 420 °C(lit.) |

Hazard statements
- H261In contact with water releases flammable gas
Precautionary statements
- P231Handle under inert gas
- P422
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3395 4.3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11-14/15 |
| Safety statements (S) | 7/8-43 |
| 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(cyclopentadienyl)praseodymium(III) used for?
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Tris(cyclopentadienyl)praseodymium(III) is primarily used as a precursor in Chemical Vapour Deposition (CVD) and Atomic Layer Deposition (ALD) for creating thin films, and also finds applications in catalysis and inorganic synthesis within materials science.
What are the CAS number and formula for Tris(cyclopentadienyl)praseodymium(III)?
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The CAS number is 11077-59-1, and the chemical formula is Pr(C5H5)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tris(cyclopentadienyl)praseodymium(III) with an assay of 99.9% trace metals basis. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should Tris(cyclopentadienyl)praseodymium(III) be handled safely?
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This compound reacts violently with water, releasing flammable gas. Handle with extreme caution in a dry environment, using appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator. Ensure effective ventilation and avoid contact with water or moisture.
Is Tris(cyclopentadienyl)praseodymium(III) shipped internationally?
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Yes, Tech Serve Solutions exports and supplies Tris(cyclopentadienyl)praseodymium(III) globally, adhering to all relevant shipping and handling regulations for hazardous materials.
How can I request a quote or sample for Tris(cyclopentadienyl)praseodymium(III)?
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To request a quote or sample, please contact our sales team via the website or by phone, providing the product name and CAS number (11077-59-1).
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