Molecular properties
- Formula
- C7H6O4
- Molar mass
- 154.12 g·mol−1
- Exact mass
- 154.0266 Da
- 5
- PubChem CID
- 1491
Molecule record
2,4-dihydroxybenzoic acid
C7H6O4
154.12 g/mol
Loading structure
Functional groups
Aromatic ring
Carboxylic acid
Phenol
Physical properties
No source-backed physical properties are curated for this molecule yet.
Common names and synonyms
- .beta.-Resorcinolic acid
- .beta.-Resorcylic acid
- 2,4-Dihydroxy benzoic acid
- 2,4-Resorcylic acid
- 201-946-9
- 4-Carboxyresorcinol
- 4-Hydroxysalicylic acid
- 89-86-1
Show all 24 synonyms
- Benzoic acid, 2,4-dihydroxy-
- Coupler 320
- DTXCID205074
- DTXSID0025074
- FEMA 3798
- FEMA NO. 3798
- LU39SC9JYL
- MFCD00002451
- NSC-13564
- NSC-4740
- RESORCINOL-4-CARBOXYLIC ACID
- RESORCYLIC ACID, BETA
- RefChem:567952
- beta-Resorcinolic acid
- beta-Resorcylic acid
- p-Hydroxysalicylic acid
Structure identifiers
- Canonical SMILES
- O=C(O)c1ccc(O)cc1O
- Isomeric SMILES
- C1=CC(=C(C=C1O)O)C(=O)O
- InChI
- InChI=1S/C7H6O4/c8-4-1-2-5(7(10)11)6(9)3-4/h1-3,8-9H,(H,10,11)
- InChIKey
- UIAFKZKHHVMJGS-UHFFFAOYSA-N
- PubChem CID
- 1491
Spectroscopy
Tabs appear only for spectra stored with clear provenance.
No redistributable or simulated spectroscopy record is attached yet.
Simulated NMR
On-demand educational prediction for 2,4-dihydroxybenzoic acid; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for 2,4-dihydroxybenzoic acid; not experimental data.
Sources
Molecule identity
Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.