Copper(II) acetylacetonate

Copper(II) acetylacetonate
Names
	IUPAC name Bis(acetylacetonato)copper(II)
	Systematic IUPAC name Bis[(Z)-4-oxopent-2-en-2-olato-κ2O,O′]copper(II)
	Other names Bis(2,4-pentanedionato)copper; Cupric acetylacetonate;
Identifiers
CAS Number	13395-16-9 ;
3D model (JSmol)	Interactive image;
ChemSpider	17949957;
ECHA InfoCard	100.033.147
EC Number	236-477-9;
PubChem CID	139053110;
UNII	69QQY9TJ8M ;
CompTox Dashboard (EPA)	DTXSID50904281 ;
	InChI InChI=1S/2C5H8O2.Cu/c21-4(6)3-5(2)7;/h23,6H,1-2H3; Key: ZKXWKVVCCTZOLD-UHFFFAOYSA-N;
	SMILES CC(=CC(=O)C)O.CC(=CC(=O)C)O.[Cu];
Properties
Chemical formula	Cu(C5H7O2)2
Molar mass	261.764 g·mol−1
Appearance	blue solid
Density	0.721 g/cm3
Melting point	245 °C (473 °F; 518 K) (decomposes)
Boiling point	160 °C (320 °F; 433 K) at 9.8 mmHg
Vapor pressure	0.13 hPa at 163 °C (325 °F; 436 K)
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H315, H319, H335
Precautionary statements	P261, P264, P271, P280, P302+P352, P304+P340+P312, P305+P351+P338, P332+P313, P337+P313, P362, P403+P233, P405, P501
NFPA 704 (fire diamond)	2 1 0
Autoignition; temperature	250 °C (482 °F; 523 K)
Threshold limit value (TLV)	1 mg/m3 (TWA)
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	19 mg/kg (intraperitoneal, mouse); 10 mg/kg (intravenous, mouse);
	NIOSH (US health exposure limits):
REL (Recommended)	1 mg/m3 (TWA)
IDLH (Immediate danger)	100 mg/m3
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Copper(II) acetylacetonate is the coordination compound with the formula Cu(CH₃C(O)CHC(O)CH₃)₂. It is the homoleptic acetylacetonate complex of copper(II). The compound, a bright blue paramagnetic solid, is insoluble in water but dissolves in some organic solvents.