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Chemical compound From Wikipedia, the free encyclopedia
Cobalt tricarbonyl nitrosyl is the organocobalt compound with the formula Co(CO)3(NO). It is a dark red volatile oil that is soluble in nonpolar solvents. The compound is one of the simplest metal nitrosyls. It is highly toxic, reminiscent of the same property for nickel tetracarbonyl.
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Names | |
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Other names
Cobalt nitrosyl tricarbonyl | |
Identifiers | |
3D model (JSmol) |
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ChemSpider | |
ECHA InfoCard | 100.034.481 |
EC Number |
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PubChem CID |
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Properties | |
C3CoNO4 | |
Molar mass | 172.969 g·mol−1 |
Appearance | red oil |
Density | 1.47 g/cm3 |
Melting point | −1.1 °C (30.0 °F; 272.0 K) |
Boiling point | 50 °C (122 °F; 323 K) |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards |
toxic |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Cobalt tricarbonyl nitrosyl is prepared by the treatment of dicobalt octacarbonyl with nitric oxide:[1]
Many other methods have been developed.
The complex undergoes substitution readily by Lewis bases such as tertiary phosphines and isocyanides, concomitant with loss of CO.[2]
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