Bis(tert-butylcyclopentadienyl)dimethylhafnium(IV)
Bis(tert-butylcyclopentadienyl)dimethylhafnium(IV) (CAS: 68193-45-3) is an organometallic compound with the formula C20H32Hf and a molecular weight of 450.96 g/mol. It is a valuable precursor utilized in chemical vapour deposition (CVD) and atomic layer deposition (ALD) processes. Its properties make it suitable for applications in materials science and the microelectronics industry, contributing to the development of advanced thin films and coatings.

CVD and ALD Precursor
This hafnium complex serves as a precursor in chemical vapour deposition (CVD) and atomic layer deposition (ALD) techniques. It enables the deposition of hafnium-containing thin films.
Materials Science
In materials science, it is employed for synthesising novel materials and investigating their properties. The compound can be used to create advanced coatings with specific functionalities.
Micro/Nanoelectronics
Bis(tert-butylcyclopentadienyl)dimethylhafnium(IV) is utilised in the microelectronics sector for fabricating semiconductor devices. It can be used in processes requiring precise deposition of dielectric or conductive layers.
| Molecular weight | 450.96 |
|---|---|
| Empirical formula | C20H32Hf |
| Assay | 95% |
| Melting point | 73-76 °C(lit.) |

Hazard statements
- H228Flammable solid
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Flash point | 53 °C / 127.4 °F |
|---|---|
| Transport (UN / ADR) | UN 1325 4.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
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(tert-butylcyclopentadienyl)dimethylhafnium(IV) used for?
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Bis(tert-butylcyclopentadienyl)dimethylhafnium(IV) is used as a precursor in chemical vapour deposition (CVD) and atomic layer deposition (ALD) for applications in materials science and micro/nanoelectronics.
What are the CAS number and formula for Bis(tert-butylcyclopentadienyl)dimethylhafnium(IV)?
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The CAS number is 68193-45-3 and the empirical formula is C20H32Hf.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Bis(tert-butylcyclopentadienyl)dimethylhafnium(IV) with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
What are the primary safety hazards associated with this chemical?
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This compound is classified under GHS02 with the signal word Warning. It carries the hazard statement H228 (Flammable solid). It is important to handle it with appropriate precautions to prevent ignition and ensure adequate ventilation.
How is Bis(tert-butylcyclopentadienyl)dimethylhafnium(IV) packed and shipped?
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This chemical is packed and shipped in accordance with UN 1325, Class 4.1, Packing Group III regulations. We are experienced exporters of fine chemicals.
How can I request a sample or a quote?
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To request a sample or a quote for Bis(tert-butylcyclopentadienyl)dimethylhafnium(IV), please contact our sales team through the website or by phone.
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