packaged for use in deposition systems for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature Ships Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Application
Hafnium tert -butoxide [Hf(OtBu) 4 ] is a mononuclear; volatile; and highly promising precursor for the deposition of HfO 2 and other hafnium doped thin films by vapor deposition techniques. The deposited films show high dielectric constant suitable for semiconductor devices.
| Canonical Smiles | CC(C)(C)[O-].CC(C)(C)[O-].CC(C)(C)[O-].CC(C)(C)[O-].[Hf+4] |
|---|---|
| IUPAC Name | hafnium(4+);2-methylpropan-2-olate |
| InChIKey | WZVIPWQGBBCHJP-UHFFFAOYSA-N |
| INCHI | 1S/4C4H9O.Hf/c4*1-4(2,3)5;/h4*1-3H3;/q4*-1;+4 |
| Isomeric SMILES | CC(C)(C)[O-].CC(C)(C)[O-].CC(C)(C)[O-].CC(C)(C)[O-].[Hf+4] |
| UN Number | 1993 |
| Packing Group | III |
| Molecular Weight | 470.65 |
| Reaxy-Rn | 4132643 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=4132643&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organic salts |
| Class | Organic metal salts |
| Subclass | Organic transition metal salts |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Organic transition metal salts |
| Alternative Parents | Organic zwitterions Organic oxides Hydrocarbon derivatives Alkoxides |
| Molecular Framework | Not available |
| Substituents | Organic transition metal salt - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organic zwitterion - Alkoxide - Organooxygen compound - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as organic transition metal salts. These are organic salt compounds containing a transition metal atom in its ionic form. |
| External Descriptors | Not available |
| Boil Point(°C) | 90°/5 mm |
|---|---|
| Melt Point(°C) | 8°C |
| Molecular Weight | 470.900 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 472.208 Da |
| Monoisotopic Mass | 472.208 Da |
| Topological Polar Surface Area | 92.200 Ų |
| Heavy Atom Count | 21 |
| Formal Charge | 0 |
| Complexity | 25.100 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 5 |
