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| CAS No.: | 10210-68-1 | |
|---|---|---|
| Name: | COBALT CARBONYL | |
| Molecular Structure: | ||
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| Formula: | C8Co2 O8 | |
| Molecular Weight: | 341.94 | |
| Synonyms: | Cobaltcarbonyl (Co2(CO)8); Cobalt octacarbonyl (Co2(CO)8); Cobalt tetracarbonyldimer; Di-m-carbonylhexacarbonyldicobalt;Dicobalt carbonyl (Co2(CO)8); Dicobalt octacarbonyl; Octacarbonyldicobalt | |
| EINECS: | 233-514-0 | |
| Density: | 1.81 | |
| Melting Point: | 51-52 °C | |
| Boiling Point: | 52 deg C | |
| Flash Point: | -13 °C | |
| Solubility: | Insoluble in water. Soluble in alcohol, ether and carbon disulfideSoluble in ether, naphtha and carbon disulfide. Slightly soluble in alcohol. Insoluble in water. | |
| Appearance: | crystalline solid | |
| Hazard Symbols: | TLV: 0.1 mg(Co)/m3. | |
| Risk Codes: | 11-22-40-43-48/20-52/53-62 | |
| Safety: | Poison by inhalation and intraperitoneal routes. Questionable carcinogen. Decomposes in air to form a product that ignites spontaneously in air. When heated to decomposition it emits acrid smoke and fumes. See also CARBONYLS and COBALT COMPOUNDS. | |
Analytical Methods: | For occupational chemical analysis use OSHA: #ID-125 g. |
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| Transport Information: | UN 3190 4 | |
| PSA: | 0.00000 | |
| LogP: | -1.66400 | |

dicobalt octacarbonyl


1-methyl-1-(2-propynyl)-3,3,5,5-tetrachlorocyclotriphosph(PV)azene


Co2(CO)6C2HCH2PCH3N3P2Cl4

| Conditions | Yield |
|---|---|
| In hexane byproducts: CO; The mixt. was stirred for 30 min at 20-25°C (N2 atm.);; evapd., sublimed, chromd. on silica gel with hexane-CH2Cl2;; | 80% |

dicobalt octacarbonyl


1-ethyl-1-(prop-1-ynyl)tetrachlorocyclotriphosphazene


Co2(CO)6C2CH3PC2H5N3P2Cl4

| Conditions | Yield |
|---|---|
| In hexane byproducts: CO; The mixt. was stirred for 30 min at 20-25°C (N2 atm.);; evapd., sublimed, chromd. on silica gel with hexane-CH2Cl2;; |

dicobalt octacarbonyl


1-ethyl-1-(prop-2-ynyl)tetrachlorocyclotriphosphazene


Co2(CO)6C2HCH2PC2H5N3P2Cl4

| Conditions | Yield |
|---|---|
| In hexane byproducts: CO; The mixt. was stirred for 30 min at 20-25°C (N2 atm.);; evapd., sublimed, chromd. on silica gel with hexane-CH2Cl2;; |

dicobalt octacarbonyl


1-isopropyl-1-(prop-1-ynyl)tetrachlorocyclotriphosphazene


Co2(CO)6C2CH3PC3H7N3P2Cl4

| Conditions | Yield |
|---|---|
| In hexane byproducts: CO; The mixt. was stirred for 30 min at 20-25°C (N2 atm.);; evapd., sublimed, chromd. on silica gel with hexane-CH2Cl2;; |

dicobalt octacarbonyl


1-isopropyl-1-(prop-2-ynyl)tetrachlorocyclotriphosphazene


Co2(CO)6C2HCH2PC3H7N3P2Cl4

| Conditions | Yield |
|---|---|
| In hexane byproducts: CO; The mixt. was stirred for 30 min at 20-25°C (N2 atm.);; evapd., sublimed, chromd. on silica gel with hexane-CH2Cl2;; |

dicobalt octacarbonyl


1-methyl-1-(prop-1-ynyl)tetrachlorocyclotriphosphazene


Co2(CO)6C2CH3PCH3N3P2Cl4

| Conditions | Yield |
|---|---|
| In hexane byproducts: CO; The mixt. was stirred for 30 min at 20-25°C (N2 atm.);; evapd., sublimed, chromd. on silica gel with hexane-CH2Cl2;; |

dicobalt octacarbonyl


1-propyl-1-(prop-2-ynyl)tetrachlorocyclotriphosphazene


Co2(CO)6C2HCH2PC3H7N3P2Cl4

| Conditions | Yield |
|---|---|
| In hexane byproducts: CO; The mixt. was stirred for 30 min at 20-25°C (N2 atm.);; evapd., sublimed, chromd. on silica gel with hexane-CH2Cl2;; |

dicobalt octacarbonyl


1-allyl-1-(prop-2-ynyl)tetrachlorocyclotriphosphazene


Co2(CO)6C2HCH2PC3H5N3P2Cl4

| Conditions | Yield |
|---|---|
| In hexane byproducts: CO; The mixt. was stirred for 30 min at 20-25°C (N2 atm.);; evapd., sublimed, chromd. on silica gel with hexane-CH2Cl2;; |

dicobalt octacarbonyl


1-allyl-1-(prop-1-ynyl)tetrachlorocyclotriphosphazene


Co2(CO)6C2CH3PC3H5N3P2Cl4

| Conditions | Yield |
|---|---|
| In hexane byproducts: CO; The mixt. was stirred for 30 min at 20-25°C (N2 atm.);; evapd., sublimed, chromd. on silica gel with hexane-CH2Cl2;; |

dicobalt octacarbonyl


1-propyl-1-(prop-1-ynyl)tetrachlorocyclotriphosphazene


Co2(CO)6C2CH3PC3H7N3P2Cl4

| Conditions | Yield |
|---|---|
| In hexane byproducts: CO; The mixt. was stirred for 30 min at 20-25°C (N2 atm.);; evapd., sublimed, chromd. on silica gel with hexane-CH2Cl2;; |