Skip to Content
Merck

Key Documents

View All Documentation

339164

Bis(cyclopentadienyl)cobalt(II)

Synonym(s):

Cobaltocene

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

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
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Quality Segment

100

form

powder or crystals, solid

reaction suitability

core: cobalt

mp

176-180 °C (dec.) (lit.)

storage temp.

2-8°C

SMILES string

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

InChI

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

InChI key

PXFGMRZPRDJDEK-UHFFFAOYSA-N

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.

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.

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Class I Designated Chemical Substances

prtr

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

339164-2G:4.548173928302E12 + 339164-10G:4.548173928296E12

jan

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library