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Names | |||
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IUPAC name
Bis(η5-cyclopentadienyl)chromium(II)
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Other names
Dicyclopentadienylchromium(II)
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Identifiers | |||
3D model (JSmol)
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ChEBI | |||
ChemSpider | |||
ECHA InfoCard | 100.013.670 | ||
EC Number |
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3366 | |||
PubChem CID
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RTECS number |
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UNII | |||
UN number | 1325 | ||
CompTox Dashboard (EPA)
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Properties | |||
C10H10Cr | |||
Molar mass | 182.186 g·mol−1 | ||
Appearance | dark red crystals | ||
Density | 1.43 g/cm3 | ||
Melting point | 168 to 170 °C (334 to 338 °F; 441 to 443 K) | ||
Boiling point | Sublimes (under vacuum) | ||
Insoluble | |||
Structure | |||
Pseudooctahedral see Ferrocene | |||
0 D | |||
Hazards | |||
Occupational safety and health (OHS/OSH): | |||
Main hazards
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Pyrophoric | ||
GHS labelling: | |||
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Danger | |||
H302, H312, H314, H315, H317, H319, H332, H335 | |||
NFPA 704 (fire diamond) | |||
Related compounds | |||
Related compounds
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Fe(C5H5)2 Ni(C5H5)2 bis(benzene)chromium chromium(II) acetate | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chromocene is the organochromium compound with the formula [Cr(C5H5)2]. Like structurally related metallocenes, chromocene readily sublimes in a vacuum and is soluble in non-polar organic solvents. It is more formally known as bis(η5-cyclopentadienyl)chromium(II).[1]