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| Product | Product Code | SAFETY DATA | Technical data | |
|---|---|---|---|---|
(2N) 99% Hafnium Crucibles |
HF-M-02-CR | SDS > | Data Sheet > | |
(2N5) 99.5% Hafnium Crucibles |
HF-M-025-CR | SDS > | Data Sheet > | |
(3N) 99.9% Hafnium Crucibles |
HF-M-03-CR | SDS > | Data Sheet > | |
(3N5) 99.95% Hafnium Crucibles |
HF-M-035-CR | SDS > | Data Sheet > | |
(4N) 99.99% Hafnium Crucibles |
HF-M-04-CR | SDS > | Data Sheet > | |
(5N) 99.999% Hafnium Crucibles |
HF-M-05-CR | SDS > | Data Sheet > |
with a variety of dimensions including round, in numerous standard diameters and wall thicknesses. Custom configurations are available. Materials include most metals including most transition, refractory and precious metals and other advanced materials. Crucibles can also be produced from custom materials and alloys for commercial and research applications and for new proprietary technologies. Other available shapes include tubes, bar or plate form, as well as custom machined shapes and through other processes such as nanoparticles and in the form of solutions and organometallics . We also produce Hafnium as rod, pellets, powder, pieces, granules, ingot, wire, and in compound forms, such as oxide. Other shapes are available by request. | Molecular Weight | 178.49 |
|---|---|
| Appearance | Silver |
| Melting Point | 2227 °C |
| Boiling Point | 4602 °C |
| Density | 13.31 g/cm3 |
| Solubility in H2O | N/A |
| Poisson's Ratio | 0.37 |
| Young's Modulus | 78 GPa |
| Vickers Hardness | 1760 MPa |
| Tensile Strength | N/A |
| Thermal Conductivity | 0.230 W/cm/K @ 298.2 K |
| Thermal Expansion | (25 °C) 5.9 µm·m-1·K-1 |
| Electrical Resistivity | 35.1 microhm-cm @ 25 °C |
| Electronegativity | 1.3 Paulings |
| Specific Heat | 0.035 Cal/g/K @ 25 °C |
| Heat of Fusion | 6.0 Cal/gm mole |
| Heat of Vaporization | 155 K-Cal/gm atom at 4602 °C |
| Signal Word | N/A |
|---|---|
| Hazard Statements | N/A |
| Hazard Codes | N/A |
| Precautionary Statements | P210 |
| Flash Point | Not applicable |
| Risk Codes | N/A |
| Safety Statements | N/A |
| RTECS Number | MG4600000 |
| Transport Information | NONH |
| WGK Germany | nwg |
| Linear Formula | Hf |
|---|---|
| Pubchem CID | 23986 |
| MDL Number | MFCD00011032 |
| EC No. | 231-166-4 |
| Beilstein/Reaxys No. | N/A |
| SMILES | [Hf] |
| InchI Identifier | InChI=1S/Hf |
| InchI Key | VBJZVLUMGGDVMO-UHFFFAOYSA-N |
| Chemical Formula | |
| Molecular Weight | |
| Standard InchI | |
| Appearance | |
| Melting Point | |
| Boiling Point | |
| Density |
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Each business day American Elements' scientists & engineers post their choice for the most exciting materials science news of the day
See more Hafnium products. Hafnium (atomic symbol: Hf, atomic number: 72) is a Block D, Group 4, Period 6 element with an atomic weight of 178.49. 
The number of electrons in each of Hafnium's shells is 2, 8, 18, 32, 10, 2 and its electron configuration is [Xe] 4f14 5d2 6s2. The hafnium atom has a radius of 159 pm and a Van der Waals radius of 212 pm. Hafnium was predicted by Dmitri Mendeleev in 1869 but it was not until 1922 that it was first isolated Dirk Coster and George de Hevesy. In its elemental form, hafnium has a lustrous silvery-gray appearance. 
Hafnium does not exist as a free element in nature. It is found in zirconium compounds such as zircon. Hafnium is often a component of superalloys and circuits used in semiconductor device fabrication. Its name is derived from the Latin word Hafnia, meaning Copenhagen, where it was discovered.