Hafnium(IV) tert-butoxide
ALDRICH/445541 - 99.99% trace metals basis (purity excludes ~2000 ppm zirconium.)
Synonym: Hafnium tetrakis(tert -butoxide); Hafnium(IV) tert -butoxide; Tetra-tert -butoxyhafnium
CAS Number: 2172-02-3
Empirical Formula (Hill Notation): C16H36HfO4
Molecular Weight: 470.94
MDL Number: MFCD00070458
Linear Formula: Hf[OC(CH3)3]4
Product Type: Chemical
| assay | 99.99% trace metals basis (purity excludes ~2000 ppm zirconium.) |
| bp | 90 °C/5 mmHg (lit.) |
| density | 1.166 g/mL at 25 °C (lit.) |
| form | liquid |
| InChI | 1S/4C4H9O.Hf/c4*1-4(2,3)5 |
| InChI key | WZVIPWQGBBCHJP-UHFFFAOYSA |
| Quality Level | 100  |
| reaction suitability | core: hafnium |
| refractive index | n |
| SMILES string | CC(C)(C)O[Hf](OC(C)(C)C)( |
| General description: | Atomic number of base material: 72 Hafnium |
| Packaging: | 5 g in ampule |
| Symbol |   GHS02,GHS07 |
| Signal word | Warning |
| Hazard statements | H226 - H315 - H319 - H335 |
| Precautionary statements | P210 - P302 + P352 - P305 + P351 + P338 |
| Hazard Codes | Xi |
| Risk Statements | 10-36/37/38 |
| Safety Statements | 16-26 |
| RIDADR | UN 1993C 3 / PGIII |
| WGK Germany | WGK 3 |
| Flash Point(F) | 82.4 °F - closed cup |
| Flash Point(C) | 28 °C - closed cup |
| Purity | 99.99% trace metals basis (purity excludes ~2000 ppm zirconium.) |
| bp | 90 °C/5 mmHg (lit.) |
| Density | 1.166 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12352103 |