![]() | |
Names | |
---|---|
Other names
Bis(cyclopentadienyl)manganese
| |
Identifiers | |
3D model (JSmol)
|
|
ECHA InfoCard | 100.149.777 |
PubChem CID
|
|
CompTox Dashboard (EPA)
|
|
| |
| |
Properties | |
C10H10Mn | |
Molar mass | 185.128 g·mol−1 |
Appearance | amber solid < 159 °C, pink > 159 °C |
Melting point | 175 °C (347 °F; 448 K) |
Boiling point | 245 °C (473 °F; 518 K) |
Hazards[1] | |
GHS labelling: | |
![]() ![]() | |
Danger | |
H228, H315, H319, H335 | |
P210, P261, P305+P351+P338 | |
NFPA 704 (fire diamond) | |
Flash point | 52 °C (126 °F; 325 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|
Manganocene or bis(cyclopentadienyl)manganese(II) is an organomanganese compound with the formula [Mn(C5H5)2]n. It is a thermochromic solid that degrades rapidly in air. Although the compound is of little utility, it is often discussed as an example of a metallocene with ionic character.[2]