Salicylic acid
Properties
- Molecular formula
- C7H6O3
- Molar mass
- 138.12 g/mol
- Exact mass
- 138.0317 Da
- Density
- 1.443 g/mL (at 20 °C)
- Melting point
- 157–159 °C
- Boiling point
- 211 °C (at 20 Torr)
- pKa
- 2.98 (carboxylic acid, 20 °C), 13.6 (phenol)
- Flash point
- 157 °C (closed cup)
- Water solubility
- 2.24 g/L (25 °C)
- logP
- 1.09Crippen estimate
- Polar surface area
- 57.5 Ų
- H-bond donors / acceptors
- 2 / 2
- Rotatable bonds
- 1
Hazards
Danger
- H302 Harmful if swallowedAcute toxicity, oral
- H318 Causes serious eye damageSerious eye damage/eye irritation
- H361d Suspected of damaging the unborn childReproductive toxicity
Harmonised EU classification (CLP Annex VI, index 607-732-00-5), via PubChem.
Precautionary statements
P203, P264, P264+P265, P270, P280, P301+P317, P305+P354+P338, P317, P318, P330, P405, P501
Identifiers
CAS number
69-72-7SMILES
O=C(O)c1ccccc1OInChIKey
YGSDEFSMJLZEOE-UHFFFAOYSA-NInChI
InChI=1S/C7H6O3/c8-6-4-2-1-3-5(6)7(9)10/h1-4,8H,(H,9,10)Weigh it out
Type any one amount. The others follow from the molar mass and density.
Names and synonyms
39 names · show all
- Benzoic acid, 2-hydroxy-
- 2-Hydroxybenzoic acid
- o-Hydroxybenzoic acid
- Retarder W
- Salicylic acid collodion
- Rutranex
- Salonil
- Psoriacid-S-stift
- Phenol-2-carboxylic acid
- 2-Hydroxybenzenecarboxylic acid
- 2-Carboxyphenol
- o-Carboxyphenol
- Duoplant
- Salicylic acid soap
- 337
- Advanced pain relief callus removers
- 380
- Dr. scholl's callus removers
- 311
- 51
- 334
- Stri-dex
- Compound W
- Freezone
- Clear away Wart Remover
- 171
- Duofil wart remover
- Saligel
- Advanced pain relief corn removers
- Dr. scholl's wart remover kit
- Ionil plus
- K 557
- Ionil
- K 537
- Dr. scholl's corn removers
- NSC 180
- trans-Ver-sal
- Salvona nanosal
- Verrugon
Safety data sheets
One stored sheet lists this compound in section 3, matched by the CAS number 69-72-7. Each row opens the sheet with its composition and PDF.
Work with Salicylic acid
Stereoisomers, salts and isotopologues
The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.
Sodium salicylate54-21-7Salt
Trolamine salicylate2174-16-5Salt
Potassium salicylate578-36-9Salt
Zinc salicylate16283-36-6Salt
(-)-Physostigmine salicylate57-64-7Salt
(T-4)-Bis[2-(hydroxy-κO)benzoato-κO]magnesium18917-89-0Salt
Diethylamine salicylate4419-92-5Salt
Ammonium salicylate528-94-9Salt
Bismuth subsalicylate14882-18-9Salt
Lithium salicylate552-38-5Salt
Lamivudine salicylate173522-96-8Salt
Magnesium, bis[2-(hydroxy-κO)benzoato-κO]-, hydrate (1:4), (T-4)-18917-95-8Salt
Similar compounds
Phthalic acid88-99-370 % similar
2,3-Dihydroxybenzoic acid303-38-868 % similar
Salicylsalicylic acid552-94-364 % similar
3-Hydroxyanthranilic acid548-93-663 % similar
3-Hydroxy-2-methylbenzoic acid603-80-563 % similar
Diphenic acid482-05-362 % similar
Ammonium phthalate523-24-062 % similar
2,2′-Dihydroxybenzophenone835-11-062 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue.