Bis(ethylcyclopentadienyl)vanadium(II)
Bis(ethylcyclopentadienyl)vanadium(II) (CAS: 55940-04-0), with the chemical formula C14H18V and a molecular weight of 237.23 g/mol, is a vanadium-containing organometallic compound. It is recognised for its utility as a precursor in chemical vapour deposition (CVD) and atomic layer deposition (ALD) processes. This compound also finds applications in catalysis and materials science, contributing to advancements in microelectronics and thin-film deposition technologies.

CVD and ALD Precursor
Bis(ethylcyclopentadienyl)vanadium(II) serves as a valuable precursor in Chemical Vapour Deposition (CVD) and Atomic Layer Deposition (ALD) for the fabrication of thin films. Its controlled decomposition allows for the deposition of vanadium-containing layers crucial in microelectronic devices.
Catalysis
This organovanadium compound can be employed as a catalyst or catalyst precursor in various chemical synthesis reactions. Its unique electronic and structural properties can facilitate specific catalytic transformations.
Materials Science Research
As a well-defined organometallic complex, Bis(ethylcyclopentadienyl)vanadium(II) is utilised in materials science research for developing novel materials. It can be a building block for creating new compounds with tailored electronic or magnetic properties.
Inorganic Chemistry
It is used in inorganic chemistry research to explore the reactivity and properties of vanadium organometallic complexes. Studies may focus on its synthesis, structure, and chemical behaviour.
| Molecular weight | 237.23 |
|---|---|
| Empirical formula | C14H18V |
| Density | 1.12 g/mL at 25 °C(lit.) |

Hazard statements
- H250Catches fire spontaneously if exposed to air
Precautionary statements
- P222Do not allow contact with air
- 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 |
|---|---|
| Transport (UN / ADR) | UN 2845 4.2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 17 |
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 Bis(ethylcyclopentadienyl)vanadium(II) primarily used for?
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Bis(ethylcyclopentadienyl)vanadium(II) 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 materials science research.
What are the CAS number and formula for Bis(ethylcyclopentadienyl)vanadium(II)?
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The CAS number for Bis(ethylcyclopentadienyl)vanadium(II) is 55940-04-0, and its chemical formula is C14H18V.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Bis(ethylcyclopentadienyl)vanadium(II) at research grade purity. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Bis(ethylcyclopentadienyl)vanadium(II) be handled safely?
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Bis(ethylcyclopentadienyl)vanadium(II) is pyrophoric and may ignite spontaneously in air (H250). It must be handled under an inert atmosphere, such as nitrogen or argon. Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, is essential. Refer to the Safety Data Sheet for detailed handling instructions.
Is Bis(ethylcyclopentadienyl)vanadium(II) a controlled substance?
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The provided data does not indicate that Bis(ethylcyclopentadienyl)vanadium(II) is a controlled substance.
How is Bis(ethylcyclopentadienyl)vanadium(II) packed, shipped, and exported?
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Bis(ethylcyclopentadienyl)vanadium(II) is typically packed under an inert atmosphere due to its pyrophoric nature. Shipping and export comply with relevant regulations for hazardous materials, including UN 2845 classification (pyrophoric liquid, organic, n.o.s.). Tech Serve Solutions is an experienced global supplier and exporter.
How can I request a sample or quote for Bis(ethylcyclopentadienyl)vanadium(II)?
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To request a sample or a quotation for Bis(ethylcyclopentadienyl)vanadium(II), please contact our sales department through the website or by phone. Please provide your contact details and specify the quantity required.
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