Ethyl acetoacetate

Ethyl acetoacetate
Skeletal formula of ethyl acetoacetate
Space-filling model of the ethyl acetoacetate molecule
Names
Preferred IUPAC name
Ethyl 3-oxobutanoate
Other names
  • Acetoacetic acid ethyl ester
  • Ethyl acetylacetate
  • 3-Oxobutanoic acid ethyl ester
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.005.015 Edit this at Wikidata
EC Number
  • 205-516-1
KEGG
RTECS number
  • AK5250000
UNII
UN number 1993
  • InChI=1S/C6H10O3/c1-3-9-6(8)4-5(2)7/h3-4H2,1-2H3 checkY
    Key: XYIBRDXRRQCHLP-UHFFFAOYSA-N checkY
  • InChI=1/C6H10O3/c1-3-9-6(8)4-5(2)7/h3-4H2,1-2H3
    Key: XYIBRDXRRQCHLP-UHFFFAOYAP
  • CCOC(=O)CC(=O)C
Properties
C6H10O3
Molar mass 130.14 g/mol
Appearance Colourless liquid
Odor Fruit or rum
Density 1.030 g/cm3, liquid
Melting point −45 °C (−49 °F; 228 K)
Boiling point 180.8 °C (357.4 °F; 453.9 K)
2.86 g/100 ml (20 °C)
Acidity (pKa)
  • 10.68 (in H2O)
  • 14.2 (in DMSO)
−71.67×10−6cm3/mol
1.420
Hazards
GHS labelling:[1]
GHS07: Exclamation mark
Warning
H319
P305+P351+P338
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 2: Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur. Flash point between 38 and 93 °C (100 and 200 °F). E.g. diesel fuelInstability (yellow): no hazard codeSpecial hazards (white): no code
2
2
Flash point 70 °C (158 °F; 343 K)
Related compounds
Related esters
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

The organic compound ethyl acetoacetate (EAA) is the ethyl ester of acetoacetic acid. It is a colorless liquid. It is widely used as a chemical intermediate in the production of a wide variety of compounds.