Dicarbonylcyclopentadienyl cobalt(I)

Synonym: Cobalt dicarbonyl cyclopentadiene, CpCo(CO)2, Cyclopentadienyl cobalt(I) dicarbonyl, Cyclopentadienylcobalt dicarbonyl, Cyclopentadienyldicarbonylcobalt

CAS Number 12078-25-0 | MDL Number MFCD00009589 | EC Number 235-139-8

Dicarbonylcyclopentadienylcobalt Chemical Structure

Product codeCO8250
CAS number12078-25-0
Assay (purity)99%+
Purity methodby GC
Molecular weight180.05
Formliquid
Appearancedark red liquid
Boiling point139-140 °C/710 mmHg (lit.)
Sensitivityair
Molecular formulaC7H5CoO2
Linear formulaC5H5Co(CO)2
Packagingglassware/metal containers/bubblers

Dicarbonylcyclopentadienyl cobalt  is useful reagent, catalyst, and precursor material. It is applied in thin film deposition, industrial chemistry, pharmaceuticals, LED manufacturing, and others. Synthesis of CpCo(CO)2 are described in literature (see the links below).

Ereztech manufactures and sells this product in small and bulk volumes. Glass ampules, bottles or metal ampules or bubblers are available for packaging. For additional analytical information or details about purchasing Dicarbonylcyclopentadienylcobalt contact us at sales@ereztech.com

Safety information

UN1992
Hazardous class3(6.1)
Packing groupIII
PictogramsGHS02GHS06GHS08
Signal wordDANGER
Hazard statementsH226-H301-H311-H317-H331-H334-H341-H351-H413
Precautionary statementsP201-P202-P210-P233-P240-P241-P242-P243-P261-P264-P270-P271-P272-P273-P280-P285-P301 + P310-P302 + P352-P303 + P361 + P353-P304 + P340-P308 + P313-P311-P330-P333 + P313-P342 + P311-P363-P370 + P378-P403 + P233 + P235-P405
Transport descriptionFLAMMABLE LIQUID, TOXIC, N.O.S. (Dicarbonyl(η5-2,4-cyclopentadien-1-yl)cobalt)
In TSCA registryNo (sold for research and development usage only)

First Aid Measures

General adviceConsult a physician. Show this safety data sheet to the doctor in attendance. Move out of dangerous area.
Eye contactRinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
Skin contactWash off with soap and plenty of water. Consult a physician.
InhalationIf breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
If swallowedDo NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

Certificates of analysis (CoA)

If you don’t see the needed lot of Dicarbonylcyclopentadienylcobalt below please contact customer support at sales@ereztech.com

Lot# 005/608 Lot# 005/609 Lot# 005/610 Lot# 005/611 Lot# 005/612

External identifiers for CpCo(CO)2

Pubchem CID11986239
SMILES[C-]#[O+].[C-]#[O+].[CH-]1C=CC=C1.[Co]
IUPAC Namecarbon monoxide; cobalt; cyclopenta-1,3-diene
InchI IdentifierInChI=1S/C5H5.2CO.Co/c1-2-4-5-3-1;2*1-2;/h1-5H;;;/q-1;;;
InchI KeyAEVRNKXPLOTCBW-UHFFFAOYSA-N

Known applications and external links

    • Vollhardt, K. Peter C. (1984). “Cobalt-assisted [2+2+2] cycloadditions: a synthesis strategy grows to maturity”. Angewandte Chemie. 96: 525–541.10.1002/ange.19840960804.
    • Staeb, T.H.; Chavez, J.; Gleiter, R.; Nuber, Bernhard (2005). “The Role of [η2-Bis(tert-butylsulfonyl)acetylene](carbonyl)(η5-cyclopentadienyl) cobalt(I) as an Intermediate in the Alkyne Dimerisation”. Eur. J. Inorg. Chem.2005 (20): 4090.10.1002/ejic.200500394.
    • Pauson, P.L. “Dicarbonyl(cyclopentadienyl)cobalt(I).” Encyclopedia of Reagents for Organic Synthesis. 2001.10.1002/047084289X.rd078

With Dicarbonylcyclopentadienylcobalt other customers often ask:

Ereztech synthesizes and sells additional Co-compounds.

To purchase Dicarbonylcyclopentadienylcobalt  contact us at sales@ereztech.com