Benzyl alcohol

• Formula: C₇H₈O
• Molecular weight: 108.1378
• IUPAC Standard InChI: InChI=1S/C7H8O/c8-6-7-4-2-1-3-5-7/h1-5,8H,6H2 Copy

  
• IUPAC Standard InChIKey: WVDDGKGOMKODPV-UHFFFAOYSA-N Copy
• CAS Registry Number: 100-51-6
• 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: Benzenemethanol; α-Hydroxytoluene; α-Toluenol; (Hydroxymethyl)benzene; Benzenecarbinol; Phenylcarbinol; Phenylmethanol; Phenylmethyl alcohol; Methanol, phenyl-; NCI-C06111; Hydroxytoluene; Bentalol; Benzoyl alcohol; Benzenmethanol; Benzylic alcohol; Methanol benzene; NSC 8044; Benzyl Alkohol
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Henry's Law data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Ion clustering data
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Gas phase thermochemistry data

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Condensed phase thermochemistry data

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

Phase change data

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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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Reduced pressure boiling point

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Enthalpy of fusion

Entropy of fusion

Reaction thermochemistry data

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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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C₇H₇O^- +  = (C₇H₇O^- • )

By formula: C₇H₇O^- + C₇H₈O = (C₇H₇O^- • C₇H₈O)

C₈H₅^- +  = (C₈H₅^- • )

By formula: C₈H₅^- + C₇H₈O = (C₈H₅^- • C₇H₈O)

C₇H₇O^- +  =

By formula: C₇H₇O^- + H⁺ = C₇H₈O

 +  = ( • )

By formula: C₅H₅^- + C₇H₈O = (C₅H₅^- • C₇H₈O)

 +  = ( • )

By formula: F^- + C₇H₈O = (F^- • C₇H₈O)

 +  =  + 

By formula: C₇H₇I + H₂O = HI + C₇H₈O

 +  =  + 

By formula: C₇H₇Br + H₂O = HBr + C₇H₈O

=  + 

By formula: C₇H₈O = C₇H₆O + H₂

Henry's Law data

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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: Rolf Sander

Henry's Law constant (water solution)

k_H(T) = k°_H exp(d(ln(k_H))/d(1/T) ((1/T) - 1/(298.15 K)))
k°_H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(k_H))/d(1/T) = Temperature dependence constant (K)

Gas phase ion energetics data

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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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
LL - Sharon G. Lias and Joel F. Liebman

View reactions leading to C₇H₈O⁺ (ion structure unspecified)

Ionization energy determinations

Appearance energy determinations

De-protonation reactions

C₇H₇O^- +  =

By formula: C₇H₇O^- + H⁺ = C₇H₈O

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• SOLUTION (CS2 FOR 2-6.2 AND 7.3-15 microns, AND C2Cl4 FOR 6.2-7.3 microns); PERKIN-ELMER 21 (GRATING); DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm^-1 resolution

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

• gas; HP-GC/MS/IRD

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

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Notes

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

Papina, Pimenova, et al., 1995
Papina, T.S.; Pimenova, S.M.; Luk'yanova, V.A.; Kolesov, V.P., Standard enthalpies of formation of benzyl alcohol and α,α,α-trichlorotoluene, Russ. J. Phys. Chem. (Engl. Transl.), 1995, 69, 1951-1953, In original 2148. [all data]

Parks, Manchester, et al., 1954
Parks, G.S.; Manchester, K.E.; Vaughan, L.M., Heats of combustion and formation of some alcohols, phenols, and ketones, J. Chem. Phys., 1954, 22, 2089-2090. [all data]

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Landrieu, P.; Baylocq, F.; Johnson, J.R., Etude thermochimique dans la serie furanique, Bull. Soc. Chim. France, 1929, 45, 36-49. [all data]

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Schmidlin, M.J., Recherches chimiques et thermochimiques sur la constitution des rosanilines, Ann. Chim. Phys., 1906, 1, 195-256. [all data]

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Parks, G.S.; Todd, S.S.; Moore, W.A., Thermal data on organic compounds. XVI. Some heat capacity, entropy and free energy data for typical benzene derivatives and heterocyclic compounds, J. Am. Chem. Soc., 1936, 58, 398-401. [all data]

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Nichols, N.; Wads, I., Thermochemistry of solutions of biochemical model compounds. 3. Some benzene derivatives in aqueous solution, J. Chem. Thermodynam., 1975, 7, 329-336. [all data]

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Smith, R.H.; Andrews, D.H., Thermal energy studies. I. Phenyl derivatives of methane, ethane and some related compounds. J. Am. Chem. Soc., 1931, 53, 3644-3660. [all data]

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von Reis, M.A., Die specifische Wärme flüssiger organischer Verbindungen und ihre Beziehung zu deren Moleculargewicht, Ann. Physik [3], 1881, 13, 447-464. [all data]

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Buckingham, J.; Donaghy, S.M., Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 1. [all data]

Grayson and Fosbraey, 2006
Grayson, B. Terence; Fosbraey, Lynda A., Determination of the vapour pressure of pesticides, Pestic. Sci., 2006, 13, 3, 269-278, https://doi.org/10.1002/ps.2780130308 . [all data]

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Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

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Kkykj, J.; Repas, M., Petrochemia, 1973, 13, 179. [all data]

Serpinskii, Voitkevich, et al., 1957
Serpinskii, V.V.; Voitkevich, S.A.; Lyuboshits, N.Yu., Zh. Fiz. Khim., 1957, 31, 1278. [all data]

Dreisbach and Shrader, 1949
Dreisbach, R.R.; Shrader, S.A., Vapor Pressure--Temperature Data on Some Organic Compounds, Ind. Eng. Chem., 1949, 41, 12, 2879-2880, https://doi.org/10.1021/ie50480a054 . [all data]

Acree, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [all data]

Caldwell, Rozeboom, et al., 1984
Caldwell, G.; Rozeboom, M.D.; Kiplinger, J.P.; Bartmess, J.E., Anion-alcohol hydrogen bond strengths in the gas phase, J. Am. Chem. Soc., 1984, 106, 4660. [all data]

Paul and Kebarle, 1990
Paul, G.J.C.; Kebarle, P., Thermodynamics of the Association Reactions OH- - H2O = HOHOH- and CH3O- - CH3OH = CH3OHOCH3- in the Gas Phase, J. Phys. Chem., 1990, 94, 12, 5184, https://doi.org/10.1021/j100375a076 . [all data]

Meot-ner and Sieck, 1986
Meot-ner, M.; Sieck, L.W., Relative acidities of water and methanol, and the stabilities of the dimer adducts, J. Phys. Chem., 1986, 90, 6687. [all data]

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Caldwell, G.; Kebarle, P., Mobility of Gaseous Ions in Weak Electric Fields in Unpublished results, 1986. [all data]

Meot-Ner(Mautner), 1986
Meot-Ner(Mautner), M., Comparative Stabilities of Cationic and Anionic Hydrogen-Bonded Networks. Mixed Clusters of Water-Methanol, J. Am. Chem. Soc., 1986, 108, 20, 6189, https://doi.org/10.1021/ja00280a014 . [all data]

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Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

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Meot-ner, M., The Ionic Hydrogen Bond and Solvation. 7. Interaction Energies of Carbanions with Solvent Molecules, J. Am. Chem. Soc., 1988, 110, 12, 3858, https://doi.org/10.1021/ja00220a022 . [all data]

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Mihalick, J.E.; Gatev, G.G.; Brauman, J.I., Electron Photodetachment Spectroscopy of Solvated Anions: RO.HF- or ROH.F-?, J. Am. Chem. Soc., 1996, 118, 49, 12424, https://doi.org/10.1021/ja954202k . [all data]

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Gellner, O.H.; Skinner, H.A., Dissociation energies of carbon-halogen bonds. The bond strengths allyl-X and benzyl-X, J. Chem. Soc., 1949, 1145-1148. [all data]

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Cubberley, A.H.; Mueller, M.B., Equilibrium studies on the dehydrogenation of primary and secondary alcohols. I. 2-Butanol, 2-octanol, cyclopentanol and benzyl alcohol, J. Am. Chem. Soc., 1946, 68, 1149-1151. [all data]

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Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

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Selim, E.T.; Rabbih, M.A.; Fahmey, M.A., M and [M-1]⁺ ions formed for benzyl alcohol, benzyl amine and benzyl cyanide, Org. Mass Spectrom., 1987, 22, 381. [all data]

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Russell, D.H.; Freiser, B.S.; McBay, E.H.; Canada, D.C., The structure of decomposing [C₇H₇O]⁺ ions: Benzyl versus tropylium ion structures, Org. Mass Spectrom., 1983, 18, 474. [all data]

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Deshmukh, P.; Dutta, T.K.; Hwang, J.L.-S.; Housecroft, C.E.; Fehlner, T.P., Photoelectron spectroscopic measurements of the relative charge on carbyne fragments bound to polynuclear cobalt carbonyl clusters, J. Am. Chem. Soc., 1982, 104, 1740. [all data]

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Selim, E.T.M.; Rabbih, M.A.; Fahmey Ahmad, M.A.; Shalbi, A.S., Energetic study of [C₅H₃]⁺ fragment ion produced from some benzyl derivatives, Arab Gulf J. Sci. Res., 1989, 7, 53. [all data]

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Selim, E.T.M.; Rabbih, M.A.; Fahmey, M.A., A mass spectrometric study of [C₇H₇]⁺ and [C₆H₇]⁺ fragment ions obtained from benzyl alcohol, benzyl amine and benzyl cyanide, Egypt. J. Phys., 1987, 18, 37. [all data]

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Selim, E.T.; Rabbih, M.A.; Rezk, A.M.H.; Fahmey, M.A., Energetics of [C₇H₆]⁺ fragment ion using electron impact technique, Indian J. Pure Appl. Phys., 1987, 25, 451. [all data]

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Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  AE	Appearance energy
  Cp,liquid	Constant pressure heat capacity of liquid
  S°liquid	Entropy of liquid at standard conditions
  Tboil	Boiling point
  Tfus	Fusion (melting) point
  d(ln(kH))/d(1/T)	Temperature dependence parameter for Henry's Law constant
  k°H	Henry's Law constant at 298.15K
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

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