Molecular properties
- Formula
- C7H6O3
- Molar mass
- 138.12 g·mol−1
- Exact mass
- 138.0317 Da
- 5
- 2
- 3
- 57.50 Ų
- 2.3 (PubChem computed XLogP3-AA descriptor)
- CAS
- 69-72-7
- PubChem CID
- 338
Molecule record
Salicylic acid
C7H6O3
138.12 g/mol
Show IUPAC name
IUPAC name
2-hydroxybenzoic acid
Interactions
- Polarity
- Often polar; exact polarity depends on size, substitution, and ionization state.
- Acid-base behavior
- Review ionizable groups and pKa data where available; ChemForge does not infer definitive acid-base state from identity alone.
- Intermolecular forces
- Assess dispersion, dipole interactions, hydrogen bonding, and ionic character from the functional groups shown.
Functional groups
Alcohol
Alkene
Aromatic ring
Carboxylic acid
Phenol
Physical properties
| Property | Value | Conditions | Source |
|---|---|---|---|
| Logp | 2.3 | PubChem computed XLogP3-AA descriptor | PubChem(link only) |
Common names and synonyms
- 2-Carboxyphenol
- 2-Hydroxybenzenecarboxylic acid
- 69-72-7
- Benzoic acid, 2-hydroxy-
- Duoplant
- Freezone
- Ionil
- Keralyt
Show all 22 synonyms
- Orthohydroxybenzoic acid
- Phenol-2-carboxylic acid
- Psoriacid-S-stift
- Retarder W
- Rutranex
- Salicylic acid collodion
- Salicylic acid soap
- Saligel
- Salonil
- Stri-Dex
- Trans-Ver-Sal
- Verrugon
- o-Carboxyphenol
- o-hydroxybenzoic acid
Structure identifiers
- Canonical SMILES
- C1=CC=C(C(=C1)C(=O)O)O
- Isomeric SMILES
- C1=CC=C(C(=C1)C(=O)O)O
- InChI
- InChI=1S/C7H6O3/c8-6-4-2-1-3-5(6)7(9)10/h1-4,8H,(H,9,10)
- InChIKey
- YGSDEFSMJLZEOE-UHFFFAOYSA-N
- PubChem CID
- 338
Spectroscopy
Tabs appear only for spectra stored with clear provenance.
Simulated FTIR trace
Predicted FTIR / %T
4 cm-1 resolution / deterministic instrument profile
Hover for cursor
Peak assignments
3350 cm−1broad O-H (simulated)
3000 cm−1broad acid O-H (simulated)
1710 cm−1C=O acid (simulated)
1645 cm−1C=C alkene (simulated)
3030 cm−1aromatic C-H (simulated)
1600 cm−1aromatic C=C (simulated)
2960 cm−1sp3 C-H (simulated)
Simulated NMR
On-demand educational prediction for Salicylic acid; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for Salicylic acid; not experimental data.
Related molecules
Sources
Molecule identity
Retrieved 8/7/2026. Reuse status is summarized by the badge; open the source for full details.
simulated IR
ChemForge original educational simulation.