339164

Bis(cyclopentadienyl)cobalt(II)

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

Properties

• form: powder or crystals; solid
• Quality Level: 100
• 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

Description

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.

Safety Information

• pictograms: GHS02,GHS08
• signalword: Danger
• hcodes: H228,H317,H334,H341,H351
• pcodes: P201 - P210 - P280 - P302 + P352 - P308 + P313
• Hazard Classifications: Carc. 2 - Flam. Sol. 2 - Muta. 2 - Resp. Sens. 1 - Skin Sens. 1
• Storage Class: 4.1B - Flammable solid hazardous materials
• wgk_germany: WGK 3
• ppe: Eyeshields, Gloves, type P3 (EN 143) respirator cartridges