Wikipedia:  

Phthalic acid

PHT; 1,2-benzenedicarboxylic acid; benzene-1,2-dicarboxylic acid; o-phthalic acid; 1,2-Benzenedicarboxylic acid; o-benzenedicarboxylic acid; Phthalic acid; 1,2-Propylene glycol, bis(isooctyl phthalate); 1,2-Benzenedicarboxylic acid, 1-methyl-1,2-ethanediyl diisooctyl ester; Phthalate; phthalic acid
Molecular Formula
C8 H6 O4
Natural Isotopic Abundance Mass
166.13084
Mono-Isotopic Molecular Masses
C12N14:   166.026608681
C13N14:   174.0534473834
C12N15:   166.026608681
C13N15:   174.0534473834
Phthalic acid image
Phthalic acid
InCHi String:
InChI=1S/C8H6O4/c9-7(10)5-3-1-2-4-6(5)8(11)12/h1-4H,(H,9,10)(H,11,12)

canonical and isomeric SMILES:
C1=CC=C(C(=C1)C(=O)O)C(=O)O


PUBCHEM iupac NAME: PUBCHEM iupac TRADITIONAL NAME: PUBCHEM iupac OPENEYE NAME: PUBCHEM iupac CAS NAME: PUBCHEM iupac SYSTEMATIC NAME
phthalic acid



PubChem Substance (SID):   85165184   10537519   7852976
PubChem Compound (CID):   1017
KEGG: Compound ID   C01606
CAS Registry IDs:   72845-50-2   88-99-3
PDB Chemical Component   PHT
Miscellaneous Databases and IDs:   Sigma-Aldrich 04924_FLUKA   ChEBI CHEBI:29069   EPA DSSTox 1484   BioCyc PHTHALATE   ChemIDplus 072845502   ChemSpider 15211648   MMDB 10691.13   NMRShiftDB 10021260   NIST Chemistry WebBook 4129414894

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.