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DICARBONYLCYCLOPENTADIENYLCOBALT

CAS No.
12078-25-0
Chemical Name:
DICARBONYLCYCLOPENTADIENYLCOBALT
Synonyms
CpCo(CO)2;Cyclopentadienyldicarbonylcobalt;DICARBONYLCYCLOPENTADIENYLCOBALT;Cobalt dicarbonyl cyclopentadiene;CYCLOPENTADIENYL COBALT DICARBONYL;Cobalt cyclopentadienyl dicarbonyl;DICARBONYLCYCLOPENTADIENYLCOBALT(I);pi-Cyclopentadienyldicarbonylcobalt;pi-Cyclopentadienylcobalt dicarbonyl;Dicarbonylcyclopentadienylcobalt,96%
CBNumber:
CB5771349
Molecular Formula:
C7H5CoO25*
Molecular Weight:
180.05
MDL Number:
MFCD00009589
MOL File:
12078-25-0.mol
Last updated:2023-04-23 13:52:06

DICARBONYLCYCLOPENTADIENYLCOBALT Properties

Melting point -22 °C
Boiling point 139-140 °C710 mm Hg(lit.)
Density 1.35
refractive index 1.599-1.602
Flash point 80 °F
storage temp. 2-8°C
form liquid
color dark red
Specific Gravity 1.35
Water Solubility Insoluble in water. Soluble in common organic solvents.
Sensitive Air Sensitive
NIST Chemistry Reference Cobalt, dicarbonyl(«eta»5-2,4-cyclopentadien-1-yl)-(12078-25-0)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
GHS02,GHS06,GHS08
Signal word  Danger
Hazard statements  H226-H301+H311+H331-H334-H341-H351
Precautionary statements  P202-P210-P280-P301+P310-P303+P361+P353-P304+P340+P311
Hazard Codes  T
Risk Statements  10-23/24/25-42/43-53-68-40
Safety Statements  23-36/37-45-38-36/37/39-28A-16
RIDADR  UN 1992 3/PG 3
WGK Germany  3
10-23
HazardClass  6.1
PackingGroup  II
HS Code  29319090
NFPA 704
2
3 0

DICARBONYLCYCLOPENTADIENYLCOBALT price More Price(14)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 245259 Dicarbonylcyclopentadienyl cobalt(I) technical grade 12078-25-0 5g $161 2024-03-01 Buy
Sigma-Aldrich 245259 Dicarbonylcyclopentadienyl cobalt(I) technical grade 12078-25-0 25g $647 2024-03-01 Buy
TCI Chemical D4940 Dicarbonylcyclopentadienyl cobalt(I) >95.0%(T) 12078-25-0 2g $158 2024-03-01 Buy
Alfa Aesar 023136 Dicarbonylcyclopentadienylcobalt 12078-25-0 1g $49.1 2024-03-01 Buy
Alfa Aesar 023136 Dicarbonylcyclopentadienylcobalt 12078-25-0 5g $168 2024-03-01 Buy
Product number Packaging Price Buy
245259 5g $161 Buy
245259 25g $647 Buy
D4940 2g $158 Buy
023136 1g $49.1 Buy
023136 5g $168 Buy

DICARBONYLCYCLOPENTADIENYLCOBALT Chemical Properties,Uses,Production

Reactions

  1. Volatile cobalt complex used for the deposition of cobalt and cobalt oxide films.
  2. Intramolecular cobalt-catalyzed [2+2+2] cycloaddition of O-protected diyne-cycanohydrins.
  3. Catalyst used for the dehydrative direct CH allylation with allylic alcohols.
Reactions of 12078-25-0

Chemical Properties

dark red to brown liquid

Uses

Dicarbonylcyclopentadienylcobalt Catalyst for the cyclotrimerization of alkynes. It mediates the [2+2+2]-cyclization of allenediynes to tricyclic systems. catalyzes the formation of pyridines from a mixture of alkynes and nitriles.

Purification Methods

Best distilled in an atmosphere of CO in a vacuum. The red brown liquid decomposes slightly on distillation even in a vacuum to liberate some CO. Operations should be performed in an efficient fume cupboard. It is soluble in organic solvents and stable in air but decomposes slowly in sunlight and rapidly under UV. [Piper et al. J Inorg Nucl Chem 1 165 1955, Beilstein 16 IV 1827.] TOXIC.

79931-94-5
12078-25-0
Synthesis of DICARBONYLCYCLOPENTADIENYLCOBALT from Ethanamine, N-[(3,5-dichlorophenyl)methylene]-2,2-diethoxy-

DICARBONYLCYCLOPENTADIENYLCOBALT Preparation Products And Raw materials

DICARBONYLCYCLOPENTADIENYLCOBALT Suppliers

Global( 87)Suppliers
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PT CHEM GROUP LIMITED
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GIHI CHEMICALS CO.,LIMITED
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Cobalt cyclopentadienyl dicarbonyl Cobalt, dicarbonyl-pi-cyclopentadienyl- Cyclopentadienyldicarbonylcobalt Dicarbonyl(eta5-cyclopentadienyl)cobalt Dicarbonyl-pi-cyclopentadienyl cobalt eta5-Cyclopentadienylcobalt dicarbonyl pi-Cyclopentadienylcobalt dicarbonyl pi-Cyclopentadienyldicarbonylcobalt CYCLOPENTADIENYL COBALT DICARBONYL DICARBONYLCYCLOPENTADIENYLCOBALT DICARBONYLCYCLOPENTADIENYLCOBALT(I) dicarbonyl(eta5-2,4-cyclopentadien-1-yl)cobalt DICARBONYLCYCLOPENTADIENYLCOBALT, TECH. Cyclopentadienylcobalt dicarbonyl, min. 95% Dicarbonylcyclopentadienylcobalt,96% Cyclopentadienylcobaltdicarbonyl,min.95% cyclopentadienyl cobalt(i) dicarbonyl Dicarbonylcyclopentadienyl cobalt(Ⅰ) Dicarbonylcyclopentadienyl cobalt(I) technical grade Cobalt dicarbonyl cyclopentadiene CpCo(CO)2 carbon monoxide,cobalt,cyclopenta-1,3-diene DICARBONYLCYCLOPENTADIENYLCOBALT ISO 9001:2015 REACH Dicarbonylcyclopentadienyl cobalt(CpCo(CO)2) 12078-25-0 C5H5CoCO2 C7H5CoO2 Catalysis and Inorganic Chemistry metallocene