Record Information
Version1.0
Creation Date2016-05-19 03:08:10 UTC
Update Date2016-11-09 01:14:02 UTC
Accession NumberCHEM009620
Identification
Common NameIsophthalic acid
ClassSmall Molecule
DescriptionA benzenedicarboxylic acid that is benzene substituted by carboxy groups at position 1 and 3. One of three possible isomers of benzenedicarboxylic acid, the others being phthalic and terephthalic acids.
Contaminant Sources
  • HPV EPA Chemicals
  • OECD HPV Chemicals
  • STOFF IDENT Compounds
  • ToxCast & Tox21 Chemicals
Contaminant TypeNot Available
Chemical Structure
Thumb
Synonyms
ValueSource
IPAChEBI
m-Benzenedicarboxylic acidChEBI
Meta-benzenedicarboxylic acidChEBI
m-BenzenedicarboxylateGenerator
Meta-benzenedicarboxylateGenerator
IsophthalateGenerator
Isophthalate, copper (+2) saltMeSH
Isophthalate, disodium saltMeSH
Isophthalate, calcium (1:1)saltMeSH
Isophthalate, copper (+2) salt (1:1)MeSH
Isophthalate, iron (+2) saltMeSH
Isophthalate, iron (+2) salt (1:1)MeSH
Chemical FormulaC8H6O4
Average Molecular Mass166.132 g/mol
Monoisotopic Mass166.027 g/mol
CAS Registry Number121-91-5
IUPAC Namebenzene-1,3-dicarboxylic acid
Traditional Nameisophthalic acid
SMILESOC(=O)C1=CC(=CC=C1)C(O)=O
InChI IdentifierInChI=1S/C8H6O4/c9-7(10)5-2-1-3-6(4-5)8(11)12/h1-4H,(H,9,10)(H,11,12)
InChI KeyQQVIHTHCMHWDBS-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as m-phthalic acid and derivatives. These are aromatic compounds containing a benzene ring bearing a carboxylic acid group at ring carbon atoms 1 and 2.
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassBenzoic acids and derivatives
Direct ParentM-phthalic acid and derivatives
Alternative Parents
Substituents
  • Meta_phthalic_acid
  • Benzoic acid
  • Benzoyl
  • Dicarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • 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 Solubility2.49 g/LALOGPS
logP1.04ALOGPS
logP1.29ChemAxon
logS-1.8ALOGPS
pKa (Strongest Acidic)3.55ChemAxon
Physiological Charge-2ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area74.6 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity40.57 m³·mol⁻¹ChemAxon
Polarizability15.13 ųChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-014i-0900000000-2b294096ec372e4d48b6Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-014i-0900000000-00e97cd6eb978e67e716Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0v6s-9500000000-689bde9414739bc54465Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-014i-0900000000-8db4943d46976cf31074Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-00xr-2900000000-da55ec5e51422639f2c3Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-00b9-9400000000-a5a5e8f5aea4f6e298d3Spectrum
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 IDCPD0-1267
METLIN IDNot Available
PDB IDNot Available
Wikipedia LinkIsophthalic_acid
Chemspider IDNot Available
ChEBI ID30802
PubChem Compound ID8496
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=24101250