Record Information
Version1.0
Creation Date2016-05-19 02:00:23 UTC
Update Date2016-10-28 10:02:15 UTC
Accession NumberCHEM005305
Identification
Common NameDEHYDROACETIC ACID
ClassSmall Molecule
DescriptionA pyran-2,4-dione substituted at position 3 by an acetyl group and at position 6 by a methyl group. A fungicide and bactericide it is used primarily in processed fruit and vegetables.
Contaminant Sources
  • Cosmetic Chemicals
  • EAFUS Chemicals
  • FooDB Chemicals
  • HPV EPA Chemicals
  • STOFF IDENT Compounds
  • ToxCast & Tox21 Chemicals
Contaminant TypeNot Available
Chemical Structure
Thumb
Synonyms
ValueSource
Biocide 470FChEBI
MethylacetopyrononeChEBI
DehydroacetateGenerator
DHASMeSH
Dehydroacetic acid, zinc ion (1-)MeSH
DHA-SMeSH
Dehydroacetic acid, potassium ion (1-)MeSH
Sodium dehydroacetateMeSH
Dehydroacetic acid ion (1-)MeSH
Dehydroacetic acid, sodium ion (1-)MeSH
Dihydroxyacetone sulfateMeSH
Dehydroacetic acid, sodium monohydrate ion (1-)MeSH
e265ChEMBL
Chemical FormulaC8H8O4
Average Molecular Mass168.148 g/mol
Monoisotopic Mass168.042 g/mol
CAS Registry Number520-45-6
IUPAC Name3-acetyl-6-methyl-3,4-dihydro-2H-pyran-2,4-dione
Traditional Namedehydroacetic acid
SMILESCC(=O)C1C(=O)OC(C)=CC1=O
InChI IdentifierInChI=1S/C8H8O4/c1-4-3-6(10)7(5(2)9)8(11)12-4/h3,7H,1-2H3
InChI KeyPGRHXDWITVMQBC-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as dihydropyranones. Dihydropyranones are compounds containing a hydrogenated pyran ring which bears a ketone, and contains one double bond.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassPyrans
Sub ClassPyranones and derivatives
Direct ParentDihydropyranones
Alternative Parents
Substituents
  • Dihydropyranone
  • 1,3-diketone
  • 1,3-dicarbonyl compound
  • Enol ester
  • Cyclic ketone
  • Lactone
  • Ketone
  • Carboxylic acid ester
  • Oxacycle
  • Monocarboxylic acid or derivatives
  • Carboxylic acid derivative
  • Hydrocarbon derivative
  • Carbonyl group
  • Organooxygen compound
  • Organic oxide
  • Organic oxygen compound
  • 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 Solubility23.2 g/LALOGPS
logP0.11ALOGPS
logP0.44ChemAxon
logS-0.86ALOGPS
pKa (Strongest Acidic)1.09ChemAxon
pKa (Strongest Basic)-6ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area60.44 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity41.33 m³·mol⁻¹ChemAxon
Polarizability15.58 ųChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-0006-9400000000-f1f92b5ea9b044513f80Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableSpectrum
LC-MS/MSLC-MS/MS Spectrum - 40V, Negativesplash10-001l-9000000000-181425ec110b9c5a9776Spectrum
LC-MS/MSLC-MS/MS Spectrum - 10V, Negativesplash10-001i-9200000000-45d1ecab9ba1f91883a3Spectrum
LC-MS/MSLC-MS/MS Spectrum - 20V, Negativesplash10-001i-9000000000-b7184d63f9162734651fSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-014i-0900000000-4d35cc6098ee826fca24Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-014i-1900000000-b3b4599d3246305b799dSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-014i-9500000000-887adc93442631e8c782Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-014i-0900000000-d043341fb28af6588ee6Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-004i-6900000000-974c56abc820c340449aSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0019-9200000000-751c57b9608b2616520eSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-014i-0900000000-6e712cdb65dbb12e2ca9Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-00o3-9800000000-ed75a89680bf02fd8032Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-066r-9000000000-6ddbe4c8dfd276924822Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-014i-1900000000-311f6e4a17bcb9fe31c3Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-00l6-9200000000-129dec7fc77097bdc127Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0006-9000000000-ebd34c53bbfcb86a98aaSpectrum
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 LinkDehydroacetic_acid
Chemspider IDNot Available
ChEBI ID137426
PubChem Compound ID122903
Kegg Compound IDNot Available
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
MSDSNot Available
General References
1. https://www.ncbi.nlm.nih.gov/pubmed/?term=18960990
2. https://www.ncbi.nlm.nih.gov/pubmed/?term=23790920
3. https://www.ncbi.nlm.nih.gov/pubmed/?term=25813167
4. https://www.ncbi.nlm.nih.gov/pubmed/?term=28166217
5. https://www.ncbi.nlm.nih.gov/pubmed/?term=4030634
6. https://www.ncbi.nlm.nih.gov/pubmed/?term=6885696
7.