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Merck
CN

339164

Bis(cyclopentadienyl)cobalt(II)

Synonym(s):

Cobaltocene

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About This Item

Linear Formula:
Co(C5H5)2
CAS Number:
1277-43-6
Molecular Weight:
189.12
NACRES:
NA.23
PubChem Substance ID:
24860617
UNSPSC Code:
12352103
EC Number:
215-061-0
MDL number:
MFCD00013749

Key Documents

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InChI key

PXFGMRZPRDJDEK-UHFFFAOYSA-N

InChI

1S/2C5H5.Co/c2*1-2-4-5-3-1;/h2*1-5H;

SMILES string

[Co].[CH]1[CH][CH][CH][CH]1.[CH]2[CH][CH][CH][CH]2

form

powder or crystals
solid

reaction suitability

core: cobalt

mp

176-180 °C (dec.) (lit.)

storage temp.

2-8°C

Quality Level

100

Related Categories

Application

Bis(cyclopentadienyl)cobalt(II) can be used:
  • As a dopant to prepare encapsulated carbon nanotubes with high thermoelectric conversion efficiency.
  • As a CVD precursor to fabricate cobalt oxide thin films for various applications.
  • As a redox-active anode species in Li-based redox flow batteries to achieve higher energy densities and energy efficiencies.
  • As a catalyst for controlled/“living” radical polymerization of methylmethacrylate.

General description

Bis(cyclopentadienyl)cobalt(II) also known as cobaltocene, is an organometalliccompound that is widely used in the field of polymer synthesis, cobaltnanomaterials, and redox flow batteries.

pictograms

FlameHealth hazard
GHS02,GHS08

signalword

Danger

Hazard Classifications

Carc. 2 - Flam. Sol. 2 - Muta. 2 - Resp. Sens. 1 - Skin Sens. 1

Storage Class

4.1B - Flammable solid hazardous materials

wgk

WGK 3

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ4661
MKCX6733
MKCV9824
MKCV5206
MKCV5207

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Development of n-type cobaltocene-encapsulated carbon nanotubes with remarkable thermoelectric property
Takahiro Fukumaru, et al.
Scientific Reports, 5, 7951-7951 (2015)
Jacob M Clary et al.
Nanotechnology, 31(17), 175703-175703 (2020-01-09)
Highly dispersed cobalt atoms were deposited on porous alumina particles using atomic layer deposition (ALD) with a CoCp2/H2 chemistry at approximately 7 wt%. H2 did not completely reduce the cyclopentadienyl organic ligands bound to deposited Co atoms at ALD reaction
Thin films of cobalt oxide deposited on high aspect ratio supports by atomic layer deposition
Madeleine Diskus, et al
Chem. Vap. Deposition, 17, 135-140 (2011)
A high-performance all-metallocene-based, non-aqueous redox flow battery
Yu Ding, et al.
Energy & Environmental Science, 10, 491-497 (2017)
F Li et al.
Chemical science, 9(30), 6379-6389 (2018-10-13)
A series of NO-bound, iron-functionalized polyoxovanadate-alkoxide (FePOV-alkoxide) clusters have been synthesized, providing insight into the role of multimetallic constructs in the coordination and activation of a substrate. Upon exposure of the heterometallic cluster to NO, the vanadium-oxide metalloligand is oxidized
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