Record Information
Version1.0
Creation Date2016-05-22 07:08:54 UTC
Update Date2016-11-09 01:16:12 UTC
Accession NumberCHEM020485
Identification
Common Name3-Cyclobutene-1,2-dione,3,4-dihydroxy-
ClassSmall Molecule
DescriptionA carbon oxoacid that consists of 1,2-diketocyclobut-3-ene bearing two enolic hydroxy substituents at positions 3 and 4.
Contaminant Sources
  • ToxCast & Tox21 Chemicals
Contaminant TypeNot Available
Chemical Structure
Thumb
Synonyms
ValueSource
1,2-Diketo-3,4-dihydroxycyclobuteneChEBI
1,2-Dioxo-3,4-dihydroxycyclobut-3-eneChEBI
1,2-Dioxo-3,4-dihydroxycyclobuteneChEBI
3,4-Dihydroxy-3-cyclobutene-1,2-dioneChEBI
Quadratic acidChEBI
QuadratsaeureChEBI
QuadratateGenerator
SquarateGenerator
Squaric acidMeSH
Squaric acid, dipotassium saltMeSH
Squaric acid, disilver (+1) saltMeSH
Squaric acid, disodium saltMeSH
Squaric acid, monopotassium saltMeSH
Squaric acid, monopotassium salt monohydrateMeSH
Squaric acid, nickel (+2), (1:1) salt dihydrateMeSH
Chemical FormulaC4H2O4
Average Molecular Mass114.056 g/mol
Monoisotopic Mass113.995 g/mol
CAS Registry Number2892-51-5
IUPAC Namedihydroxycyclobut-3-ene-1,2-dione
Traditional Namesquaric acid
SMILESOC1=C(O)C(=O)C1=O
InChI IdentifierInChI=1S/C4H2O4/c5-1-2(6)4(8)3(1)7/h5-6H
InChI KeyPWEBUXCTKOWPCW-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as vinylogous acids. These are organic compounds containing a hydroxyl group, which is indirectly attached to a carbonyl via an intervening vinyl (>C=C<) moiety.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassVinylogous acids
Sub ClassNot Available
Direct ParentVinylogous acids
Alternative Parents
Substituents
  • Vinylogous acid
  • Cyclic ketone
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External Descriptors
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 Solubility106 g/LALOGPS
logP-0.9ALOGPS
logP-0.24ChemAxon
logS-0.03ALOGPS
pKa (Strongest Acidic)5.26ChemAxon
pKa (Strongest Basic)-5.3ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area74.6 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity24.8 m³·mol⁻¹ChemAxon
Polarizability9.12 ųChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-03di-3900000000-e1d3317646b610799309Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_1_1) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_2_1) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TBDMS_1_1) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TBDMS_2_1) - 70eV, PositiveNot AvailableSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-014i-0900000000-3ed542e54699285aa28fSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0a4i-9400000000-262ef331ab974feb631fSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0a4i-9200000000-e24b2aa6569adcc8bd3bSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-03di-0900000000-23f4a01cfc96efe6c23cSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-03di-0900000000-f52602d74ff027abbd75Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-03di-0900000000-b542627db9025e713b83Spectrum
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 IDHMDB0258453
FooDB IDNot Available
Phenol Explorer IDNot Available
KNApSAcK IDNot Available
BiGG IDNot Available
BioCyc IDNot Available
METLIN IDNot Available
PDB IDNot Available
Wikipedia LinkSquaric_acid
Chemspider ID16919
ChEBI ID52141
PubChem Compound IDNot Available
Kegg Compound IDNot Available
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
MSDSNot Available
General ReferencesNot Available