Hafnium(IV) tert-butoxide
Hafnium(IV) tert-butoxide (CAS: 2172-02-3; Formula: Hf[OC(CH3)3]4; Molar Mass: 470.94 g/mol) is a hafnium alkoxide. This chemical is a clear liquid and serves as a precursor in materials science, particularly for thin film deposition in microelectronics. Its properties make it valuable for creating advanced materials and coatings via solution deposition methods.
![Hafnium(IV) tert-butoxide (Hf[OC(CH3)3]4) — chemical structure, CAS 2172-02-3; Materials Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F2172-02-3.png&w=3840&q=75)
Thin Film Deposition
Utilised as a precursor in Metal-Organic Chemical Vapour Deposition (MOCVD) and Atomic Layer Deposition (ALD) for depositing hafnium-containing thin films. These films are critical in microelectronics for gate dielectrics and other advanced applications.
Materials Science Research
Employed in academic and industrial research for synthesising novel hafnium-based materials and exploring their properties. Its solubility and reactivity are advantageous for solution-based processing.
Catalysis
Investigated for potential catalytic applications in organic synthesis due to the Lewis acidic nature of the hafnium center.
| Molecular weight | 470.94 |
|---|---|
| Linear formula | Hf[OC(CH3)3]4 |
| Form | liquid |
| Boiling point | 90 °C/5 mmHg(lit.) |
| Density | 1.166 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.424(lit.) |
Hazard statements
- H226Flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 28 °C / 82.4 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 16-26 |
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 Hafnium(IV) tert-butoxide used for?
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Hafnium(IV) tert-butoxide is primarily used as a precursor for depositing hafnium-containing thin films in microelectronics and materials science, via methods like ALD and MOCVD. It is also used in research for synthesising novel hafnium-based materials.
What are the CAS number and formula for Hafnium(IV) tert-butoxide?
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The CAS number for Hafnium(IV) tert-butoxide is 2172-02-3, and its chemical formula is Hf[OC(CH3)3]4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Hafnium(IV) tert-butoxide with a purity typically specified by lot, usually around 98%. It is supplied as a research or technical grade chemical. TSS does not represent this product as USP, BP, or EP grade.
How should Hafnium(IV) tert-butoxide be handled safely?
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Hafnium(IV) tert-butoxide is a flammable liquid and vapour (H226) and causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle in a well-ventilated area, away from ignition sources, wearing appropriate personal protective equipment including eyeshields and gloves.
How is Hafnium(IV) tert-butoxide packed, shipped, and exported?
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Hafnium(IV) tert-butoxide is carefully packed in suitable containers to ensure safety during transit. Tech Serve Solutions is experienced in exporting chemicals globally, adhering to all relevant international shipping regulations.
How can I request a sample or quote for Hafnium(IV) tert-butoxide?
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To request a sample or a quote for Hafnium(IV) tert-butoxide, please contact our sales team via the website or directly by phone. Please specify the quantity and delivery location required.
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