Hexafluoroacetylacetone

Hexafluoroacetylacetone

Names
IUPAC name 1,1,1,5,5,5-Hexafluoro-2,4-pentanedione
Other names Hexafluoroacetylacetone, HfacH
Identifiers
CAS Number	1522-22-1 Y
3D model (JSmol)	Interactive image
ChemSpider	21106446 Y
ECHA InfoCard	100.014.719
PubChem CID	24874462
InChI InChI=1S/C5H2F6O2/c6-4(7,8)2(12)1-3(13)5(9,10)11/h1H2 Y Key: QAMFBRUWYYMMGJ-UHFFFAOYSA-N Y InChI=1/C5H2F6O2/c6-4(7,8)2(12)1-3(13)5(9,10)11/h1H2 Key: QAMFBRUWYYMMGJ-UHFFFAOYAR
SMILES FC(F)(F)C(=O)CC(=O)C(F)(F)F
Properties
Chemical formula	C5H2F6O2
Molar mass	208.06 g/mol
Appearance	colourless liquid
Density	1.47 g/mL
Boiling point	70 to 71 °C (158 to 160 °F; 343 to 344 K)
Solubility in water	organic solvents
Hazards
Main hazards	toxic
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y  (what is YN ?)
Infobox references

Hexafluoroacetylacetone is the chemical compound with the formula CF₃C(O)CH₂C(O)CF₃ (often abbreviated as hfacH). This colourless liquid is a ligand precursor and a reagent used in MOCVD. Complexes of the conjugate base, often called hfac⁻, exhibit enhanced volatility and Lewis acidity relative to analogous complexes derived from acetylacetone.

This organofluorine compound was first prepared by the condensation of ethyl ester of trifluoroacetic acid and 1,1,1-trifluoroacetone. It has been investigated as an etchant for copper and its complexes, such as Cu(Hfac)(trimethylvinylsilane) have been employed as precursors in microelectronics.

Being highly electrophilic, hexafluoroacetylacetone is hydrated in water to give the tetraol.