Record Information
Version1.0
Creation Date2016-05-19 04:15:28 UTC
Update Date2016-11-09 01:14:49 UTC
Accession NumberCHEM013615
Identification
Common NameDiketene
ClassSmall Molecule
DescriptionDiketene is an organic compound with the molecular formula C4H4O2, and which is sometimes written as (CH2CO)2. It is formed by dimerization of ketene, H2C=C=O (IUPAC name: ethenone). Diketene is a member of the oxetane family. It is used as a reagent in organic chemistry. It is a colorless liquid.
Contaminant Sources
  • HPV EPA Chemicals
  • OECD HPV Chemicals
  • STOFF IDENT Compounds
Contaminant TypeNot Available
Chemical Structure
Thumb
Synonyms
ValueSource
DiketeneMeSH
Chemical FormulaC4H4O2
Average Molecular Mass84.074 g/mol
Monoisotopic Mass84.021 g/mol
CAS Registry Number674-82-8
IUPAC Name4-methylideneoxetan-2-one
Traditional Namediketene
SMILESC=C1CC(=O)O1
InChI IdentifierInChI=1S/C4H4O2/c1-3-2-4(5)6-3/h1-2H2
InChI KeyWASQWSOJHCZDFK-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as beta propiolactones. These are organic compounds containing a four-member lactone (a cyclic ester).
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassLactones
Sub ClassBeta propiolactones
Direct ParentBeta propiolactones
Alternative Parents
Substituents
  • Enol ester
  • Beta_propiolactone
  • Oxetane
  • Carboxylic acid ester
  • Oxacycle
  • Monocarboxylic acid or derivatives
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic heteromonocyclic compound
Molecular FrameworkAliphatic heteromonocyclic compounds
External DescriptorsNot Available
Biological Properties
StatusDetected and Not Quantified
OriginNot Available
Cellular LocationsNot Available
Biofluid LocationsNot Available
Tissue LocationsNot Available
PathwaysNot Available
ApplicationsNot Available
Biological RolesNot Available
Chemical RolesNot Available
Physical Properties
StateNot Available
AppearanceNot Available
Experimental Properties
PropertyValue
Melting PointNot Available
Boiling PointNot Available
SolubilityNot Available
Predicted Properties
PropertyValueSource
Water Solubility233 g/LALOGPS
logP0.3ALOGPS
logP0.081ChemAxon
logS0.44ALOGPS
pKa (Strongest Acidic)19.77ChemAxon
pKa (Strongest Basic)-7.2ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area26.3 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity20.32 m³·mol⁻¹ChemAxon
Polarizability7.65 ųChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-0006-9000000000-a0b51be8c4a5da05ae10Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-000l-9000000000-e84d30a418572a07dd4eSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-000f-9000000000-9f1206781b7fc09ca6a8Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0006-9000000000-b4111f95fb1545853cedSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0019-9000000000-678307ea28988ee06924Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-001i-9000000000-37891e47eb5b718d632aSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-000i-9000000000-d1b7b150dd9546f42ee6Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-052u-9000000000-57e758c2189e3335567fSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-000l-9000000000-9e2519856daa29a1c3f3Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-000i-9000000000-21c02445b456a081c2d9Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-001l-9000000000-536d7485294ddc2a817aSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-001l-9000000000-80c6408fa8b9dea0b498Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-014l-9000000000-909b76bab47b65977dcfSpectrum
Toxicity Profile
Route of ExposureNot Available
Mechanism of ToxicityNot Available
MetabolismNot Available
Toxicity ValuesNot Available
Lethal DoseNot Available
Carcinogenicity (IARC Classification)Not Available
Uses/SourcesNot Available
Minimum Risk LevelNot Available
Health EffectsNot Available
SymptomsNot Available
TreatmentNot Available
Concentrations
Not Available
DrugBank IDNot Available
HMDB IDNot Available
FooDB IDNot Available
Phenol Explorer IDNot Available
KNApSAcK IDNot Available
BiGG IDNot Available
BioCyc IDNot Available
METLIN IDNot Available
PDB IDNot Available
Wikipedia LinkDiketene
Chemspider IDNot Available
ChEBI IDNot Available
PubChem Compound ID12661
Kegg Compound IDNot Available
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
MSDSNot Available
General ReferencesNot Available