Chromium hexacarbonyl
Chromium hexacarbonyl (IUPAC name: hexacarbonylchromium) is a chromium(0) organometallic compound with the formula Cr(CO)6. It is a homoleptic complex, which means that all the ligands are identical. It is a colorless crystalline air-stable solid, with a high vapor pressure.
| Names | |
|---|---|
| IUPAC name
Hexacarbonylchromium | |
| Other names
Chromium carbonyl | |
| Identifiers | |
3D model (JSmol) |
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| ChEBI | |
| ChemSpider | |
| ECHA InfoCard | 100.032.579 |
PubChem CID |
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| RTECS number |
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| UNII | |
CompTox Dashboard (EPA) |
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SMILES
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| Properties | |
| Cr(CO)6 | |
| Molar mass | 220.057 g/mol |
| Appearance | colorless crystals |
| Density | 1.77 g/cm3, solid |
| Melting point | 90 °C (194 °F; 363 K) |
| Boiling point | 210 °C (410 °F; 483 K) (decomposes) |
| insoluble | |
| Solubility | soluble in organic solvents |
| Structure | |
| orthrhombic | |
| octahedral | |
| 0 D | |
| Hazards | |
| Occupational safety and health (OHS/OSH): | |
Main hazards |
Toxic |
| NFPA 704 (fire diamond) |
2
1
0 |
| Flash point | 210 °C (410 °F; 483 K) |
| Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
150 mg/kg (oral, mouse) 230 mg/kg (oral, rat) |
| NIOSH (US health exposure limits): | |
PEL (Permissible) |
TWA 1 mg/m3 |
REL (Recommended) |
TWA 0.5 mg/m3 |
IDLH (Immediate danger) |
250 mg/m3 |
| Safety data sheet (SDS) | Oxford MSDS |
| Related compounds | |
Related compounds |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
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