Secondary names

Bis(2,4-pentanediono)nickel dihydrate; nickel(2+);(Z)-4-oxopent-2-en-2-olate;dihydrate; nickel acetylacetonate dihydrate; nickel acetylacetonate hydrate; C10H14O4Ni.2H2O; Ni(acac)2.2H2O

CAS number

14363-16-7

10.0

	Formula	Name	Family	Number min-max	Mole fraction	Isotope mole fraction	State	Relevance
	$Ni^{2+}$	Nickel cation	element	1	0.2	1	constituent cation	main
	$(CH_3COCHCOCH_3)^-$	acetylacetonate ion	molecule	2	0.4	1	constituent anion	main
	$H_2O$	Water	molecule	2	0.4	1	hydration	main

Composition comments

trans-isomer is more stale - The 4 oxygens may be linked to Ni^{2+}

Chemical functions

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

Chemical bonds

	Bond	Number
	$\cdot Ni^{2+} \cdot O^{-}-$	2
	$\cdot\cdot-Ni^{2+}-O-$	4
	$\geq C-H$	6
	$\eqslantgtr C-H$	1
	$\eqslantgtr C-C\leq$	3
	$>C=C<$	1
	$>C=O$	1
	$\eqslantgtr C-O^-$	1
	$-O-H$	2

Class

alkali salts (06)

Type

hydrated simple alkali salts (06.04)

Phase type

crystalline

Links

• PubChem: Nickel acetylacetonate hydrate
• Wikipedia: Nickel(II) bis(acetylacetonate)