Salicylic acid

• Formula: C₇H₆O₃
• Molecular weight: 138.1207
• IUPAC Standard InChI: InChI=1S/C7H6O3/c8-6-4-2-1-3-5(6)7(9)10/h1-4,8H,(H,9,10) Copy

  
• IUPAC Standard InChIKey: YGSDEFSMJLZEOE-UHFFFAOYSA-N Copy
• CAS Registry Number: 69-72-7
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: Benzoic acid, 2-hydroxy-; o-Hydroxybenzoic acid; Phenol-2-carboxylic acid; Psoriacid-S-Stift; Retarder W; Rutranex; Salicylic acid collodion; Salonil; 2-Hydroxybenzoic acid; Acido salicilico; Keralyt; Kyselina 2-hydroxybenzoova; Kyselina salicylova; Orthohydroxybenzoic acid; Duoplant; Freezone; Ionil; Saligel; Compound W; 2-Hydroxybenzenecarboxylic acid; 2-Carboxyphenol; o-Carboxyphenol; Advanced pain relief callus removers; Advanced pain relief corn removers; Clear away wart remover; Dr. Scholl's Callus Removers; Dr. Scholl's Corn Removers; Dr. Scholl's Wart Remover Kit; Duofil Wart Remover; Ionil plus; Salicylic acid soap; Stri-Dex; Benzoic acid, o-hydroxy-; NSC 180; Trans-Ver-Sal; Domerine; Duofilm; Fostex; Pernox; Salicylic acid & Sulfur Soap; Sebucare; Sebulex; component of Fostex medicated bar and cream; component of Keralyt; Retarder SAX; component of Solarcaine first aid spray; component of Tinver; 7681-06-3; 8052-31-1; Salicyclic acid; Domerine (Salt/Mix); Duofilm (Salt/Mix); Fostex (Salt/Mix); Pernox (Salt/Mix); Salicylic acid & Sulfur Soap (Salt/Mix); Sebucare (Salt/Mix); Sebulex (Salt/Mix); component of Fostex medicated bar and cream (Salt/Mix); component of Keralyt (Salt/Mix); Retarder SAX (Salt/Mix); component of Solarcaine first aid spray (Salt/Mix); component of Tinver (Salt/Mix)
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• Information on this page:
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
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Gas phase ion energetics data

Go To: Top, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: John E. Bartmess

View reactions leading to C₇H₆O₃⁺ (ion structure unspecified)

De-protonation reactions

C₇H₅O₃^- +  =

By formula: C₇H₅O₃^- + H⁺ = C₇H₆O₃

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• SOLID (0.5 mg / 200 mg KBr DISC) $$ COMMERCIAL PURITY; PERKIN-ELMER 21 (GRATING); DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm^-1 resolution
• SOLID (2 mg/300mg KBr PELLET) $$ SEE SPECTRUM NO. 2534 FOR A DIFFERENT PELLET SPECTRUM; Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm^-1 resolution
• SOLID (KBr PELLET) $$ SEE SPECTRUM NO. 2535 FOR A DIFFERENT PELLET SPECTRUM; PERKIN-ELMER; DIGITIZED BY NIST FROM HARD COPY; 4 cm^-1 resolution
• SOLID (NUJOL MULL); BECKMAN IR-7 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm^-1 resolution

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

• gas

Mass spectrum (electron ionization)

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

UV/Visible spectrum

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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Additional Data

Gas Chromatography

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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References

Go To: Top, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Kebarle and McMahon, 1977
Kebarle, P.; McMahon, T.B., Intrinsic Acidities of Substituted Phenols and Benzoic Acids Determined by Gas Phase Proton Transfer Equilibria, J. Am. Chem. Soc., 1977, 99, 7, 2222, https://doi.org/10.1021/ja00449a032 . [all data]

Ernst and Menashi, 1963
Ernst, Z.L.; Menashi, J., The spectrophotometric determination of the dissociation constants of some substituted salicylic acids, Trans. Faraday Soc., 1963, 59, 230-240. [all data]

Japp, Gill, et al., 1987
Japp, M.; Gill, R.; Osselton, M.D., Comparison of drug retention indices determined on packed, wide bore capillary and narrow bore capillary columns, J. Forensic Sci., 1987, 32, 6, 1574-1586. [all data]

Berninger and Möller, 1977
Berninger, H.; Möller, M.R., Retentionsindices zur gaschromatographischen Identifizierung von Arzneimitteln, Arch. Toxicol., 1977, 37, 4, 295-305, https://doi.org/10.1007/BF00330821 . [all data]

Todua, 2011
Todua, N.G., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2011. [all data]

Peng, Ding, et al., 1988
Peng, C.T.; Ding, S.F.; Hua, R.L.; Yang, Z.C., Prediction of Retention Indexes I. Structure-Retention Index Relationship on Apolar Columns, J. Chromatogr., 1988, 436, 137-172, https://doi.org/10.1016/S0021-9673(00)94575-8 . [all data]

Perrigo and Peel, 1981
Perrigo, B.J.; Peel, H.W., The use of retention indices and temperature-programmed gas chromatography in analytical toxicology, J. Chromatogr. Sci., 1981, 19, 5, 219-226, https://doi.org/10.1093/chromsci/19.5.219 . [all data]

Andriamaharavo, 2014
Andriamaharavo, N.R., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]

Jerkovic and Marijanovic, 2010
Jerkovic, I.; Marijanovic, Z., Oak (Quercus frainetto Ten.) honeydaw honey - approach to screening of volatile organic composition and antioxidant capacity (DPPH and FRAP assay), Molecules, 2010, 15, 5, 3744-3756, https://doi.org/10.3390/molecules15053744 . [all data]

Shakirov, Tsypysheva, et al., 1988
Shakirov, L.G.; Tsypysheva, L.G.; Suleimamova, R.A.; Naimushin, A.I.; Tsypyshev, O.Yu., Gas chromatographic determination of the products of the synthesis of chlorine-substituted salicylic acids, Zh. Anal. Khim., 1988, 43, 143-146. [all data]

Sharp, 1987
Sharp, M.E., A rapid screening procedure for acidic and neutral drugs in blood by high resolution gas chromatography, J. Anal. Toxicol., 1987, 11, 1, 8-11, https://doi.org/10.1093/jat/11.1.8 . [all data]

Peel and Perrigo, 1976
Peel, H.W.; Perrigo, B., A practical gas chromatographic screening procedure for toxicological analysis, Can. Soc. Forens. Sci. J., 1976, 9, 2, 69-74, https://doi.org/10.1080/00085030.1976.10757247 . [all data]

Peel and Perrigo, 1975
Peel, H.W.; Perrigo, B., A practical gas chromatographic screening procedure for toxicological analysis, Can.Soc.Forens.Sci.J., 1975, 9, 2, 69-74, https://doi.org/10.1080/00085030.1976.10757247 . [all data]

Brandi, Bar, et al., 2011
Brandi, F.; Bar, E.; Mourgues, F.; Horvath, G.; Turcsi, E.; Giuliano, G.; Liverani, A.; Tartarini, S.; Lewinsohn, E.; Rosati, C., Study of Redhaven peach and its white-fleshed mutant suggests a key role of CCD4 carotenoid dioxygenase in carotenoid and norisoprenoid volatile metabolism, BMC Plant Biol., 2011, 11, 24, 1-14. [all data]

Alissandrakis, Kibaris, et al., 2005
Alissandrakis, E.; Kibaris, A.C.; Tarantilis, P.A.; Harizanis, P.C.; Polissiou, M., Flavour compounds of Greek cotton honey, J. Sci. Food Agric., 2005, 85, 9, 1444-1452, https://doi.org/10.1002/jsfa.2124 . [all data]

Ardrey and Moffat, 1981
Ardrey, R.E.; Moffat, A.C., Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase, J. Chromatogr., 1981, 220, 3, 195-252, https://doi.org/10.1016/S0021-9673(00)81925-1 . [all data]

Notes

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• Symbols used in this document:
  

  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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