Synonym: Hafnium tetrakis(tert -butoxide), Hafnium(IV) tert -butoxide, Tetra-tert -butoxyhafnium, HfTB, Hf[OC(Me)3]4
CAS Number 2172-02-3 | MDL Number MFCD00070458 | EC Number 625-479-9
| Product code | HF2023 |
| CAS number | 2172-02-3 |
| Assay (purity) | 99% |
| Metal purity | 99.9%-Hf (excluding Zr) |
| Purity method | by integration NMR |
| NMR | conforms to structure |
| Molecular weight | 470.94 g/mol |
| Form | liquid |
| Appearance | colorless to pale yellow liquid |
| Melting point | 8°C (46°F) |
| Boiling point | 90°C (194°F) @ 5 mmHg |
| Flash point | 28°C (82°F) – closed cup |
| Sensitivity | air, moisture |
| Molecular formula | HfO4C16H36 |
| Linear formula | Hf[OC(CH3)3]4 |
| Packaging | glassware/metal containers/bubblers |
Hafnium (IV) tert-butoxide is a chemical precursor that has been investigated for applicability to plasma enhanced atomic layer deposition. See link below
Ereztech manufactures and sells this product in small and bulk volumes. Glass ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing HF2023 contact us at sales@ereztech.com
| UN | 1993 |
| Hazardous class | 3 |
| Packing group | III |
| Pictograms | |
| Signal word | WARNING |
| Hazard statements | H226-H315-H319-H335 |
| Precautionary statements | P210-P231-P232-P233-P240-P241-P242-P243-P261-P264-P271-P280-P302+P352-P303 + P353 + P361-P304 + P340-P305 + P351 + P338-P332 + P313-P337 + P313-P362-P370 + P378 |
| Transport description | FLAMMABLE LIQUID, N.O.S. (Hafnium(IV) tert-butoxide) |
| In TSCA registry | No (sold for research and development usage only) |
| General advice | Consult a physician. Show this safety data sheet to the doctor in attendance. Move out of the dangerous area. |
| Eye contact | Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician. |
| Skin contact | Wash off with soap and plenty of water. Consult a physician. |
| Inhalation | If breathed in, move person into the fresh air. If not breathing, give artificial respiration. Consult a physician. |
| If swallowed | Do NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician. |
If you don’t see the needed lot of Hafnium (IV) tert-butoxide below please contact customer support at sales@ereztech.com
Lot# 015/676 Lot# 015/772 Lot# 015/852/1
| Pubchem CID | 9934444 |
| IUPAC Name | hafnium(4+); 2-methylpropan-2-olate |
| SMILES | CC(C)(C)[O-].CC(C)(C)[O-].CC(C)(C)[O-].CC(C)(C)[O-].[Hf+4] |
| InchI Identifier | InChI=1S/4C4H9O.Hf/c4*1-4(2,3)5;/h4*1-3H3;/q4*-1;+4 |
| InchI Key | WZVIPWQGBBCHJP-UHFFFAOYSA-N |
Ereztech synthesizes and sells additional HF-compounds.
To purchase HF2023 contact us at sales@ereztech.com