-
Name
BIS(CYCLOPENTADIENYL)COBALT
- EINECS 215-061-0
- CAS No. 1277-43-6
- Article Data65
- CAS DataBase
- Density g/cm3
-
Solubility
Stability
- Stable, but very reactive and air and moisture sensitive - store under inert gas. Incompatible with strong oxidizingagents. Highly flammable.
Toxicology
- May act as a skin, eye or respiratory irr
- Melting Point 176-180 °C (dec.)(lit.)
- Formula C10H10 Co
- Boiling Point 41.5 °C at 760 mmHg
- Molecular Weight 189.183
- Flash Point °C
- Transport Information UN 1325 4
- Appearance dark violet crystals
- Safety Poison by intraperitoneal route. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits acrid smoke and fumes. See also COBALT.
- Risk Codes 11
-
Molecular Structure
- Hazard Symbols Toxic by ingestion.
- Synonyms Cobalt, di-p-cyclopentadienyl- (8CI);Cobalt,dicyclopentadienyl- (6CI);Bis(cyclopentadienyl)cobalt;Bis(cyclopentadienyl)cobalt(II);Bis(h-cyclopentadienyl)cobalt;Bis(h5-cyclopentadienyl)cobalt;Cobalt, bis(h5-2,4-cyclopentadien-1-yl)-;Dicyclopentadienylcobalt;NSC 62690;
- PSA 0.00000
- LogP 2.04300
Cobaltocene Chemical Properties
Bis(cyclopentadienyl)cobalt ,its CAS register number is 1277-43-6 ,it's called for Dicyclopentadienylcobalt ; Bis(cyclopentadienyl)cobalt ; CCRIS 6001 ; Cobalt, di-pi-cyclopentadienyl- ; NSC 62690 ; EINECS 215-061-0 ; CID92884 ; Di-pi-cyclopentadienyl-cobal ; Kobaltocen ,and so on. Bis(cyclopentadienyl)cobalt (CAS No.1277-43-6) is usually black-purple crystals or black solid.
IUPAC Name: Cobalt(2+) ; Cyclopenta-1,3-diene
CAS: 1277-43-6
Molecular Formula: C10H10Co
Molecular Weight: 189.12
Molecular structure:
EINECS: 215-061-0
ACD/LogD (pH 5.5): 1.79
ACD/LogD (pH 7.4): 1.79
ACD/BCF (pH 5.5): 13.44
ACD/BCF (pH 7.4): 13.44
ACD/KOC (pH 5.5): 223.49
ACD/KOC (pH 7.4): 223.49
H bond acceptors: 0
H bond donors: 0
Freely Rotating Bonds: 0
Enthalpy of Vaporization: 27.4 kJ/mol
Boiling Point: 41.5 °C at 760 mmHg
Vapour Pressure: 418 mmHg at 25°C
Melting point: 176-180 °C (dec.)(lit.)
Storage temp.: 0-6°C
Sensitive: Air & Moisture Sensitive
Cobaltocene Uses
Bis(cyclopentadienyl)cobalt (CAS No.1277-43-6) is commonly used as organic reagent.
Cobaltocene Toxicity Data With Reference
| 1. | mmo-sat 3333 µg/plate | EMMUEG Environmental and Molecular Mutagenesis. 19 (Suppl 21)(1992),2. | ||
| 2. | ipr-rat LD50:55 mg/kg | NCIUS* Progress Report for Contract No. PH-43-64-886, Submitted to the National Cancer Institute by the Institute of Chemical Biology, University of San Francisco. (San Francisco, CA 94117) PH 43-64-886,JAN,65 . | ||
| 3. | ipr-mus LD50:80 mg/kg | NCIUS* Progress Report for Contract No. PH-43-64-886, Submitted to the National Cancer Institute by the Institute of Chemical Biology, University of San Francisco. (San Francisco, CA 94117) PH 43-64-886,JAN,65 . |
RTECS: GG0350000
Cobaltocene Consensus Reports
Reported in EPA TSCA Inventory. Cobalt and its compounds are on the Community Right-To-Know List.
Cobaltocene Safety Profile
Poison by intraperitoneal route. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits acrid smoke and fumes.
Hazard Codes: F .gif){kind=small}
Risk Statements: 11 (R11:Highly flammable.)
Safety Statements: 16-33-7/9 (R16:Explosive when mixed with oxidizing substances. R33:Danger of cumulative effects. S7/9: Keep container tightly closed and in a well-ventilated place)
RIDADR: UN 1325 4.1/PG 3
WGK Germany: 3
HazardClass: 4.1
PackingGroup: II
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