
Cyclopentadienylcobalt dicarbonyl
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Cyclopentadienylcobalt dicarbonyl is an organocobalt compound with formula (C5H5)Co(CO)2, abbreviated CpCo(CO)2. It is an example of a half-sandwich complex. It is a dark red air sensitive liquid. This compound features one cyclopentadienyl ring that is bound in an η5-manner and two carbonyl ligands. The compound is soluble in common organic solvents.[1]
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3D model (JSmol) |
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ECHA InfoCard | 100.031.933 ![]() |
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Properties | |
CpCo(CO)2 | |
Molar mass | 180.05 g/mol |
Appearance | Dark red to black liquid |
Density | 1.35 g/cm3 |
Melting point | −22 °C (−8 °F; 251 K) |
Boiling point | 139 to 140 °C (282 to 284 °F; 412 to 413 K) (710 mmHg) 37-38.5 °C (2 mmHg) |
Insoluble | |
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GHS labelling: | |
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Danger | |
H226, H301, H311, H331, H334, H341, H351, H412 | |
Flash point | 26.7 °C (80.1 °F; 299.8 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound