Cobalt
ALDRICH/697745 - Carbon coated magnetic, nanopowder, <50 nm particle size (TEM), ≥99%
Synonym: Cobalt element; Cobalt-59
CAS Number: 7440-48-4
Empirical Formula (Hill Notation): Co
Molecular Weight: 58.93
MDL Number: MFCD00010935
Linear Formula: Co
Product Type: Chemical
SEM (top) and high-resolution TEM (bottom) images of the magnetic carbon-coated cobalt nanoparticles.
| application(s) | battery manufacturing |
| assay | ≥99% |
| bp | 2900 °C (lit.) |
| composition | Carbon content, <8 wt. % |
| density | 8.9 g/mL at 25 °C (lit.) |
| form | nanopowder |
| InChI | 1S/Co |
| InChI key | GUTLYIVDDKVIGB-UHFFFAOYSA |
| magnetization | >150 emu/g, Mass saturation |
| material | carbon |
| particle size | <50 nm (TEM) |
| resistivity | 6.24 μΩ-cm, 20°C |
| SMILES string | [Co] |
| surface area | >15 m2/g |
| Application: | Chemical Synthesis of Monodisperse Magnetic Nanoparticles  |
| Application: | Air- and thermally-stable magnetic carbon-coated cobalt nanoparticles (nanomagnets). Carbon shell consists of approximately three graphitic layers and can be chemically functionalized using e.g. diazotization reactions. |
| Packaging: | 500 mg in glass insert |
| Symbol |    GHS06,GHS08,GHS09 |
| Signal word | Danger |
| Hazard statements | H302 - H317 - H319 - H330 - H334 - H341 - H350 - H360F - H373 - H410 |
| Precautionary statements | P273 - P280 - P301 + P312 - P302 + P352 - P304 + P340 + P310 - P305 + P351 + P338 |
| Hazard Codes | Xn |
| Risk Statements | 42/43-53 |
| Safety Statements | 22-36/37-45 |
| RIDADR | UN 3089 4.1 / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99% |
| bp | 2900 °C (lit.) |
| Density | 8.9 g/mL at 25 °C (lit.) |
| UNSPSC | 12352302 |