Tetrakis(dimethylamido)hafnium(IV)
ALDRICH/455199 - ≥99.99%
Synonym: TDMAH; Tetrakis(dimethylamino)
CAS Number: 19782-68-4
Empirical Formula (Hill Notation): C8H24HfN4
Molecular Weight: 354.79
MDL Number: MFCD01862473
Linear Formula: [(CH3)2N]4Hf
Product Type: Chemical
| assay | ≥99.99% |
| density | 1.098 g/mL at 25 °C |
| form | low-melting solid |
| InChI | 1S/4C2H6N.Hf/c4*1-3-2;/h4 |
| InChI key | ZYLGGWPMIDHSEZ-UHFFFAOYSA |
| mp | 26-29 °C (lit.) |
| Quality Level | 100 ![]() |
| reaction suitability | core: hafnium |
| SMILES string | CN(C)[Hf](N(C)C)(N(C)C)N( |
| Analysis Note: | Purity excludes ~2000 ppm Zr. |
| Application: | Tetrakis(dimethylamido)ha • As a precursor to fabricate polymer-derived ceramic nanocomposites. • To prepare HfO2, CeO2, and Ce-doped HfO2 thin films on Ge substrates by using tris(isopropyl-cyclopenta • To produce Hf3N4 thin films with TDMAH and ammonia at low substrate temperatures at 150−250 °C. |
| General description: | Tetrakis(dimethylamido)ha |
| Packaging: | 25 g in ampule |
| Symbol | ![]() GHS02,GHS05 |
| Signal word | Danger |
| Hazard statements | H228 - H261 - H314 |
| Precautionary statements | P210 - P231 + P232 - P280 - P305 + P351 + P338 - P310 - P422 |
| Hazard Codes | F,C |
| Risk Statements | 11-14-34 |
| Safety Statements | 6-26-36/37/39-43-45 |
| RIDADR | UN 3396 4.1(4.3) / PGII |
| WGK Germany | WGK 3 |
| Supplemental Hazard Statements | EUH014 |
| Purity | ≥99.99% |
| mp | 26-29 °C (lit.) |
| Density | 1.098 g/mL at 25 °C |
| UNSPSC | 12352103 |



