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Phthalic acid

View entire compound with spectra: 35 NMR, 5 FTIR, 16 MS (GC), and 8 MS (LC)

Phthalic acid
SpectraBase Compound ID HL13QHBIO1X
InChI InChI=1S/C8H6O4/c9-7(10)5-3-1-2-4-6(5)8(11)12/h1-4H,(H,9,10)(H,11,12)
InChIKey XNGIFLGASWRNHJ-UHFFFAOYSA-N
Mol Weight 166.13 g/mol
Molecular Formula C8H6O4
Exact Mass 166.026609 g/mol

1H Nuclear Magnetic Resonance (NMR) Spectrum

1H Nuclear Magnetic Resonance (NMR) Spectrum

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SpectraBase Spectrum ID 9alOFmZ11xr
Name Phthalic acid
Source of Sample Sigma-Aldrich Co. LLC.
Catalog Number P39303
Copyright Copyright © 2021-2025 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021-2025 John Wiley & Sons, Inc. All Rights Reserved.
Formula C8H6O4
InChI InChI=1S/C8H6O4/c9-7(10)5-3-1-2-4-6(5)8(11)12/h1-4H,(H,9,10)(H,11,12)
InChIKey XNGIFLGASWRNHJ-UHFFFAOYSA-N
Molecular Weight 166.132 g/mol
Observed nucleus 1H
Purity 98%
Solvent CDCl3 & DMSO-d6
Source of Spectrum Sigma-Aldrich Co. LLC.
Synonyms 1,2-Benzenedicarboxylic acid
Wiley ID SIAL_1HNMR_015112