Cobalt carbonyl
ALDRICH/60811 - moistened with hexane (hexane 1-10%), ≥90% (Co)
Synonym: Cobalt tetracarbonyl dimer; Di-μ-carbonylhexacarbonyldicobal; Octacarbonyldicobalt; Dicobalt octacarbonyl
CAS Number: 10210-68-1
Empirical Formula (Hill Notation): C8Co2O8
Molecular Weight: 341.95
MDL Number: MFCD00016024
Linear Formula: Co2(CO)8
Product Type: Chemical
| assay | ≥90% (Co) |
| form | solid |
| InChI | 1S/8CO.2Co/c8*1-2;;/q;;;; |
| InChI key | MQIKJSYMMJWAMP-UHFFFAOYSA |
| quality | moistened with hexane (hexane 1-10%) |
| Quality Level | 100 ![]() |
| reaction suitability | core: cobalt |
| reagent type: catalyst | |
| SMILES string | [Co++].[Co++].[C-]#[O+].[ |
| storage temp. | 2-8°C |
| Application: | • Cobalt carbonyl [Co2(CO)8] is commonly used as a catalyst in the hydroformylation (oxo reaction) of alkenes. • Along with pyridine, it can be used as a catalyst in the carboxylation of alkenes into corresponding acids and esters. • It is employed as a key precursor in the preparation of cobalt platinum (CoPt3), cobalt sulfide (Co3S4) and cobalt selenide (CoSe2) nanocrystals. • It is also used as a reagent in Pauson-Khand cyclizations and Nicholas reaction. |
| Packaging: | 5, 25 g in glass bottle |
| Symbol | ![]() ![]() GHS02,GHS06,GHS08 |
| Signal word | Danger |
| Hazard statements | H251 - H302 - H315 - H317 - H330 - H351 - H361f - H373 - H412 |
| Precautionary statements | P201 - P235 - P273 - P280 - P301 + P312 + P330 - P304 + P340 + P310 |
| Hazard Codes | F,T+ |
| Risk Statements | 11-22-26-40-43-48/20-52/53-62 |
| Safety Statements | 28-36/37-45-61 |
| RIDADR | UN 3190 4.2 / PGII |
| WGK Germany | WGK 3 |
| Flash Point(F) | -9.4 °F |
| Flash Point(C) | -23 °C |
| Purity | ≥90% (Co) |
| Storage Temp. | 2-8°C |
| UNSPSC | 12161600 |




