Cobalt acetylacetonate

Structural formula
General
Surname	Cobalt acetylacetonate
other names	Cobalt (II) acetylacetonate; Bis (pentane-2,4-dionato) cobalt (II); Bis (acetylacetonato) cobalt (II); Cobalt (II) acetylacetonate; Co (acac) 2 ;
Molecular formula	C 10 H 14 CoO 4
Brief description	purple solid
External identifiers / databases
EC number	237-855-6
ECHA InfoCard	100.034.400
PubChem	407383
ChemSpider	5020838
Wikidata	Q63857571
properties
Molar mass	257.15 g mol −1
Physical state	firmly
density	0.83 g cm −3
Melting point	168-171 ° C
solubility	sparingly soluble in water (4.8 g l −1 at 20 ° C)
safety instructions
H and P phrases	H: 302-317-318-334-350-360-410
	P: 201-261-280-284-305 + 351 + 338 + 310-308 + 313
Toxicological data	670 mg kg −1 ( LD 50 , rat , oral )
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Cobalt acetylacetonate is a chemical compound of cobalt from the group of acetylacetonates .

Extraction and presentation

Cobalt acetylacetonate can be obtained by reacting acetylacetate with cobalt (II) chloride .

properties

Cobalt acetylacetonate is a flammable, hardly inflammable, crystalline, purple solid that is sparingly soluble in water. It decomposes when heated. It has a triclinic crystal structure .

use

Cobalt acetylacetonate is used as an important catalyst for organic reactions. It is also used as a paint dryer.

Individual evidence

↑ ^a ^b ^c ^d ^e ^f Entry on cobalt acetylacetonate in the GESTIS substance database of the IFA , accessed on May 15, 2019(JavaScript required) .
↑ ^a ^b data sheet Cobalt (II) acetylacetonate, ≥99.0% (KT) from Sigma-Aldrich , accessed on May 15, 2019 ( PDF ).
↑ Data sheet Cobalt (II) acetylacetonate for synthesis (PDF) from Merck , accessed on May 15, 2019.
↑ D. Nicholls: The Chemistry of Iron, Cobalt and Nickel Comprehensive Inorganic Chemistry . Elsevier, 2013, ISBN 978-1-4831-4643-0 , pp. 1084 ( limited preview in Google Book search).
^ FA Cotton, RC Elder: Crystal Structure of Tetrameric Cobalt (II) Acetylacetonate. In: Inorganic Chemistry. 4, 1965, p. 1145, doi : 10.1021 / ic50030a012 .
↑ Data sheet Cobalt (II) 2,4-pentanedionate from AlfaAesar, accessed on May 15, 2019 ( PDF )(JavaScript required) .

[GESTIS-1] ↑ ^a ^b ^c ^d ^e ^f Entry on cobalt acetylacetonate in the GESTIS substance database of the IFA , accessed on May 15, 2019(JavaScript required) .

[Sigma-2] ta sheet Cobalt (II) acetylacetonate, ≥99.0% (KT) from Sigma-Aldrich , accessed on May 15, 2019 ( PDF ).

[Merck-3] Data sheet Cobalt (II) acetylacetonate for synthesis (PDF) from Merck , accessed on May 15, 2019.

[D._Nicholls-4] D. Nicholls: The Chemistry of Iron, Cobalt and Nickel Comprehensive Inorganic Chemistry . Elsevier, 2013, ISBN 978-1-4831-4643-0 , pp. 1084 ( limited preview in Google Book search).

[DOI10.1021/ic50030a012-5] FA Cotton, RC Elder: Crystal Structure of Tetrameric Cobalt (II) Acetylacetonate. In: Inorganic Chemistry. 4, 1965, p. 1145, doi : 10.1021 / ic50030a012 .

[Alfa-6] Data sheet Cobalt (II) 2,4-pentanedionate from AlfaAesar, accessed on May 15, 2019 ( PDF )(JavaScript required) .