Chromium hexacarbonyl
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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.
Quick Facts Names, Identifiers ...
Names | |
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IUPAC name
Hexacarbonylchromium | |
Other names
Chromium carbonyl | |
Identifiers | |
3D model (JSmol) |
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ChEBI | |
ChemSpider |
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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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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) | |
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[1] |
REL (Recommended) |
TWA 0.5 mg/m3[1] |
IDLH (Immediate danger) |
250 mg/m3[1] |
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).
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