Secondary names

cobalt(2+) bis(4-oxopent-2-en-2-olate); Cobalt(II) 2,4-pentanedionate; cobalt(2+) bis(4-oxopent-2-en-2-olate); Bis(2,4-pentanedionato)cobalt(II); Cobalt(II) bis(acetylacetonate)); Co(acac)2; C10H14CoO4

CAS number

14024-48-7

6.0

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$Co^{2+}$	Cobaltous cation	element	1	0.3333333333333333	1	constituent cation	main
	$(CH_3COCHCOCH_3)^-$	acetylacetonate ion	molecule	2	0.6666666666666666	1	molecular ion	main

Composition comments

The 4 oxygen atoms may be linked to Co^{3+}

Chemical functions

	Function	Number
	$R-CH_3$	2
	$R-C(=O)-R$	1
	$R=CH-R$	1

Chemical bonds

	Bond	Number
	$\cdot Co^{2+} \cdot O^{-}-$	2
	$\geq C-H$	6
	$\eqslantgtr C-H$	1
	$\eqslantgtr C-C\leq$	3
	$>C=C<$	1
	$>C=O$	1
	$\eqslantgtr C-O^-$	1

Class

normal salts (07)

Type

simple normal salts (07.01)

Phase type

crystalline

Color

blue, black

Links

• Wikipedia: Metal acetylacetonates
• PubChem: Cobalt(II) 2,4-pentanedionate)
• PubChem: Cobalt(II) bis(acetylacetonate)