1-Propanol

• Formula: C₃H₈O
• Molecular weight: 60.0950
• IUPAC Standard InChI: InChI=1S/C3H8O/c1-2-3-4/h4H,2-3H2,1H3 Copy

  
• IUPAC Standard InChIKey: BDERNNFJNOPAEC-UHFFFAOYSA-N Copy
• CAS Registry Number: 71-23-8
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  View 3d structure (requires JavaScript / HTML 5)
• Other names: Propyl alcohol; n-Propan-1-ol; n-Propanol; n-Propyl alcohol; Ethylcarbinol; Optal; Osmosol extra; Propanol; Propylic alcohol; 1-Propyl alcohol; n-C3H7OH; 1-Hydroxypropane; Propanol-1; Propan-1-ol; n-Propyl alkohol; Alcool propilico; Alcool propylique; Propanole; Propanolen; Propanoli; Propylowy alkohol; UN 1274; Propylan-propyl alcohol; NSC 30300; Alcohol, propyl
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase thermochemistry data
  • Ion clustering data
  • References
  • Notes
• Other data available:
  • 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)
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
• Options:
  • Switch to calorie-based units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, "lite" edition (thermophysical and thermochemical data)
• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Gas phase thermochemistry data

Go To: Top, Ion clustering data, References, Notes

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:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

Constant pressure heat capacity of gas

Ion clustering data

Go To: Top, Gas phase thermochemistry data, References, Notes

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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
RCD - Robert C. Dunbar

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

CH₆N⁺ +  = (CH₆N⁺ • )

By formula: CH₆N⁺ + C₃H₈O = (CH₆N⁺ • C₃H₈O)

Bond type: Hydrogen bonds of the type NH+-O between organics

C₂H₇O⁺ +  = (C₂H₇O⁺ • )

By formula: C₂H₇O⁺ + C₃H₈O = (C₂H₇O⁺ • C₃H₈O)

Bond type: Hydrogen bonds of the type OH-O between organics

C₃H₅O⁺ +  = (C₃H₅O⁺ • )

By formula: C₃H₅O⁺ + C₃H₈O = (C₃H₅O⁺ • C₃H₈O)

C₃H₅O^- +  = (C₃H₅O^- • )

By formula: C₃H₅O^- + C₃H₈O = (C₃H₅O^- • C₃H₈O)

C₃H₇O^- +  = (C₃H₇O^- • )

By formula: C₃H₇O^- + C₃H₈O = (C₃H₇O^- • C₃H₈O)

C₃H₉O⁺ +  = (C₃H₉O⁺ • )

By formula: C₃H₉O⁺ + C₃H₈O = (C₃H₉O⁺ • C₃H₈O)

Bond type: Hydrogen bonds of the type OH-O between organics

(C₃H₉O⁺ • ) +  = (C₃H₉O⁺ • 2)

By formula: (C₃H₉O⁺ • C₃H₈O) + C₃H₈O = (C₃H₉O⁺ • 2C₃H₈O)

Bond type: Hydrogen bonds of the type OH-O between organics

(C₃H₉O⁺ • 2) +  = (C₃H₉O⁺ • 3)

By formula: (C₃H₉O⁺ • 2C₃H₈O) + C₃H₈O = (C₃H₉O⁺ • 3C₃H₈O)

Bond type: Hydrogen bonds of the type OH-O between organics

(C₃H₉O⁺ • 3) +  = (C₃H₉O⁺ • 4)

By formula: (C₃H₉O⁺ • 3C₃H₈O) + C₃H₈O = (C₃H₉O⁺ • 4C₃H₈O)

Bond type: Hydrogen bonds of the type OH-O between organics

(C₃H₉O⁺ • 4) +  = (C₃H₉O⁺ • 5)

By formula: (C₃H₉O⁺ • 4C₃H₈O) + C₃H₈O = (C₃H₉O⁺ • 5C₃H₈O)

Bond type: Hydrogen bonds of the type OH-O between organics

(C₃H₉O⁺ • 5) +  = (C₃H₉O⁺ • 6)

By formula: (C₃H₉O⁺ • 5C₃H₈O) + C₃H₈O = (C₃H₉O⁺ • 6C₃H₈O)

Bond type: Hydrogen bonds of the type OH-O between organics

(C₃H₉O⁺ • 6) +  = (C₃H₉O⁺ • 7)

By formula: (C₃H₉O⁺ • 6C₃H₈O) + C₃H₈O = (C₃H₉O⁺ • 7C₃H₈O)

Bond type: Hydrogen bonds of the type OH-O between organics

(C₃H₉O⁺ • 7) +  = (C₃H₉O⁺ • 8)

By formula: (C₃H₉O⁺ • 7C₃H₈O) + C₃H₈O = (C₃H₉O⁺ • 8C₃H₈O)

Bond type: Hydrogen bonds of the type OH-O between organics

Free energy of reaction

C₃H₉Si⁺ +  = (C₃H₉Si⁺ • )

By formula: C₃H₉Si⁺ + C₃H₈O = (C₃H₉Si⁺ • C₃H₈O)

Free energy of reaction

C₃H₉Sn⁺ +  = (C₃H₉Sn⁺ • )

By formula: C₃H₉Sn⁺ + C₃H₈O = (C₃H₉Sn⁺ • C₃H₈O)

Free energy of reaction

C₄H₉O^- +  = (C₄H₉O^- • )

By formula: C₄H₉O^- + C₃H₈O = (C₄H₉O^- • C₃H₈O)

C₄H₁₁O⁺ +  = (C₄H₁₁O⁺ • )

By formula: C₄H₁₁O⁺ + C₃H₈O = (C₄H₁₁O⁺ • C₃H₈O)

Bond type: Hydrogen bonds of the type OH-O between organics

C₅H₁₁O^- +  = (C₅H₁₁O^- • )

By formula: C₅H₁₁O^- + C₃H₈O = (C₅H₁₁O^- • C₃H₈O)

 +  = ( • )

By formula: C₆H₅S^- + C₃H₈O = (C₆H₅S^- • C₃H₈O)

C₈H₅^- +  = (C₈H₅^- • )

By formula: C₈H₅^- + C₃H₈O = (C₈H₅^- • C₃H₈O)

 +  = ( • )

By formula: Cl^- + C₃H₈O = (Cl^- • C₃H₈O)

( • ) +  = ( • 2)

By formula: (Cl^- • C₃H₈O) + C₃H₈O = (Cl^- • 2C₃H₈O)

( • 2) +  = ( • 3)

By formula: (Cl^- • 2C₃H₈O) + C₃H₈O = (Cl^- • 3C₃H₈O)

( • 3) +  = ( • 4)

By formula: (Cl^- • 3C₃H₈O) + C₃H₈O = (Cl^- • 4C₃H₈O)

( • 4) +  = ( • 5)

By formula: (Cl^- • 4C₃H₈O) + C₃H₈O = (Cl^- • 5C₃H₈O)

( • 5) +  = ( • 6)

By formula: (Cl^- • 5C₃H₈O) + C₃H₈O = (Cl^- • 6C₃H₈O)

( • 6) +  = ( • 7)

By formula: (Cl^- • 6C₃H₈O) + C₃H₈O = (Cl^- • 7C₃H₈O)

( • 7) +  = ( • 8)

By formula: (Cl^- • 7C₃H₈O) + C₃H₈O = (Cl^- • 8C₃H₈O)

 +  = C₃H₇D₈FO^-

By formula: F^- + C₃H₈O = C₃H₇D₈FO^-

 +  = ( • )

By formula: F^- + C₃H₈O = (F^- • C₃H₈O)

 +  = ( • )

By formula: Li⁺ + C₃H₈O = (Li⁺ • C₃H₈O)

 +  = ( • )

By formula: Mg⁺ + C₃H₈O = (Mg⁺ • C₃H₈O)

 +  = ( • )

By formula: Na⁺ + C₃H₈O = (Na⁺ • C₃H₈O)

Free energy of reaction

References

Go To: Top, Gas phase thermochemistry data, Ion clustering data, Notes

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

Chao J., 1986
Chao J., Thermodynamic properties of key organic oxygen compounds in the carbon range C1 to C4. Part 2. Ideal gas properties, J. Phys. Chem. Ref. Data, 1986, 15, 1369-1436. [all data]

Buckley E., 1967
Buckley E., Chemical equilibria. Part 2. Dehydrogenation of propanol and butanol, Trans. Faraday Soc., 1967, 63, 895-901. [all data]

Counsell J.F., 1968
Counsell J.F., Thermodynamic properties of organic oxygen compounds. Part XIX. Low-temperature heat capacity and entropy of propan-1-ol, 2-methylpropan-1-ol, and pentan-1-ol, J. Chem. Soc. A, 1968, 1819-1823. [all data]

Green J.H.S., 1961
Green J.H.S., Thermodynamic properties of the normal alcohols C1-C12, J. Appl. Chem., 1961, 11, 397-404. [all data]

Chermin H.A.G., 1961
Chermin H.A.G., Thermo data for petrochemicals. Part 28. Gaseous normal alcohols. The important thermo properties are presented for all the gaseous normal alcohols from methanol through n-decanol, Petrol. Refiner, 1961, 40 (4), 127-130. [all data]

Wilhoit R.C., 1973
Wilhoit R.C., Physical and thermodynamic properties of aliphatic alcohols, J. Phys. Chem. Ref. Data, 1973, 2, Suppl. 1, 1-420. [all data]

Thermodynamics Research Center, 1997
Thermodynamics Research Center, Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]

Mathews J.F., 1961
Mathews J.F., The thermodynamic properties of the n-propyl alcohol, J. Phys. Chem., 1961, 65, 758-762. [all data]

Chao J., 1986, 2
Chao J., Ideal gas thermodynamic properties of simple alkanols, Int. J. Thermophys., 1986, 7, 431-442. [all data]

Kobe K.A., 1951
Kobe K.A., Thermochemistry for the petrochemical industry. Part XVII. Some C3 oxygenated hydrocarbons, Petrol. Refiner, 1951, 30 (8), 119-122. [all data]

Zhuravlev E.Z., 1959
Zhuravlev E.Z., Isotopic effect on thermodynamic functions of some organic deuterocompounds in the ideal gas state, Tr. Khim. i Khim. Tekhnol., 1959, 2, 475-485. [all data]

Stromsoe E., 1970
Stromsoe E., Heat capacity of alcohol vapors at atmospheric pressure, J. Chem. Eng. Data, 1970, 15, 286-290. [all data]

Meot-Ner, 1984
Meot-Ner, (Mautner)M., The Ionic Hydrogen Bond and Ion Solvation. 1. -NH+ O-, -NH+ N- and -OH+ O- Bonds. Correlations with Proton Affinity. Deviations Due to Structural Effects, J. Am. Chem. Soc., 1984, 106, 5, 1257, https://doi.org/10.1021/ja00317a015 . [all data]

Larson and McMahon, 1982
Larson, J.W.; McMahon, T.B., Formation, Thermochemistry, and Relative Stabilities of Proton - Bound dimers of Oxygen n - Donor Bases from Ion Cyclotron Resonance Solvent - Exchange Equilibria Measurements, J. Am. Chem. Soc., 1982, 104, 23, 6255, https://doi.org/10.1021/ja00387a016 . [all data]

Grimsrud and Kebarle, 1973
Grimsrud, E.P.; Kebarle, P., Gas Phase Ion Equilibria Studies of the Solvation of the Hydrogen Ion by Methanol, Dimethyl Ether and Water. Effect of Hydrogen Bonding, J. Am. Chem. Soc., 1973, 95, 24, 7939, https://doi.org/10.1021/ja00805a002 . [all data]

Lias, Liebman, et al., 1984
Lias, S.G.; Liebman, J.F.; Levin, R.D., Evaluated gas phase basicities and proton affinities of molecules heats of formation of protonated molecules, J. Phys. Chem. Ref. Data, 1984, 13, 695. [all data]

Keesee and Castleman, 1986
Keesee, R.G.; Castleman, A.W., Jr., Thermochemical data on Ggs-phase ion-molecule association and clustering reactions, J. Phys. Chem. Ref. Data, 1986, 15, 1011. [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]

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]

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]

Meot-Ner (Mautner), 1992
Meot-Ner (Mautner), M., Intermolecular Forces in Organic Clusters, J. Am. Chem. Soc., 1992, 114, 9, 3312, https://doi.org/10.1021/ja00035a024 . [all data]

Deakyne, Meot-Ner (Mautner), et al., 1986
Deakyne, C.A.; Meot-Ner (Mautner), M.; Campbell, C.L.; Hughes, M.G.; Murphy, S.P., Multicomponent Cluster Ions. 1. The Acetonitrile - Water System, J. Chem. Phys., 1986, 90, 4648. [all data]

Hiraoka, Morise, et al., 1986
Hiraoka, K.; Morise, K.; Nishijima, T.; Nakamura, S.; Nakazato, M.; Ohkuma, K., Gas Phase Ion Equilibria Studies of Protons and Chloride Ions in Propanol and Acetone, Int. J. Mass Spectrom. Ion Proc., 1986, 68, 1-2, 99, https://doi.org/10.1016/0168-1176(86)87071-9 . [all data]

Wojtyniak and Stone, 1986
Wojtyniak, A.C.M.; Stone, A.J., A High-Pressure Mass Spectrometric Study of the Bonding of Trimethylsilylium to Oxygen and Aromatic Bases, Can. J. Chem., 1986, 74, 59. [all data]

Stone and Splinter, 1984
Stone, J.A.; Splinter, D.E., A high-pressure mass spectrometric study of the binding of (CH₃)₃Sn⁺ to lewis bases in the gas phase, Int. J. Mass Spectrom. Ion Processes, 1984, 59, 169. [all data]

Sieck and Meot-ner, 1989
Sieck, L.W.; Meot-ner, M., Ionic Hydrogen Bond and Ion Solvation. 8. RS-..HOR Bond Strengths. Correlation with Acidities., J. Phys. Chem., 1989, 93, 4, 1586, https://doi.org/10.1021/j100341a079 . [all data]

Hiraoka, 1987
Hiraoka, K., Relation Between Gas Phase Stepwise and Bulk Solvation of Cl^- with Water and Aliphatic Alcohols, Bull. Chem. Soc. Japan, 1987, 60, 7, 2555, https://doi.org/10.1246/bcsj.60.2555 . [all data]

Larson and McMahon, 1984
Larson, J.W.; McMahon, T.B., Hydrogen bonding in gas phase anions. An experimental investigation of the interaction between chloride ion and bronsted acids from ICR chloride exchange equilibria, J. Am. Chem. Soc., 1984, 106, 517. [all data]

Hiraoka and Mizuse, 1987
Hiraoka, K.; Mizuse, S., Gas-Phase Solvation of Cl- with H2O, CH3OH, C2H4OH, i-C3H7OH, n-C3H7OH, and t-C4H9OH, Chem. Phys., 1987, 118, 3, 457, https://doi.org/10.1016/0301-0104(87)85078-4 . [all data]

Larson and McMahon, 1984, 2
Larson, J.W.; McMahon, T.B., Gas phase negative ion chemistry of alkylchloroformates, Can. J. Chem., 1984, 62, 675. [all data]

Wilkinson, Szulejko, et al., 1992
Wilkinson, F.E.; Szulejko, J.E.; Allison, C.E.; Mcmahon, T.B., Fourier Transform Ion Cyclotron Resonance Investigation of the Deuterium Isotope Effect on Gas Phase Ion/Molecule Hydrogen Bonding Interactions in Alcohol-Fluoride Adduct Ions, Int. J. Mass Spectrom., 1992, 117, 487-505, https://doi.org/10.1016/0168-1176(92)80110-M . [all data]

Larson and McMahon, 1983
Larson, J.W.; McMahon, T.B., Strong hydrogen bonding in gas-phase anions. An ion cyclotron resonance determination of fluoride binding energetics to bronsted acids from gas-phase fluoride exchange equilibria measurements, J. Am. Chem. Soc., 1983, 105, 2944. [all data]

Arshadi, Yamdagni, et al., 1970
Arshadi, M.; Yamdagni, R.; Kebarle, P., Hydration of Halide Negative Ions in the Gas Phase. II. Comparison of Hydration Energies for the Alkali Positive and Halide Negative Ions, J. Phys. Chem., 1970, 74, 7, 1475, https://doi.org/10.1021/j100702a014 . [all data]

Rodgers and Armentrout, 2000
Rodgers, M.T.; Armentrout, P.B., Noncovalent Metal-Ligand Bond Energies as Studied by Threshold Collision-Induced Dissociation, Mass Spectrom. Rev., 2000, 19, 4, 215, https://doi.org/10.1002/1098-2787(200007)19:4<215::AID-MAS2>3.0.CO;2-X . [all data]

Operti, Tews, et al., 1988
Operti, L.; Tews, E.C.; Freiser, B.S., Determination of Gas-Phase Ligand Binding Energies to Mg+ by FTMS Techniques, J. Am. Chem. Soc., 1988, 110, 12, 3847, https://doi.org/10.1021/ja00220a020 . [all data]

Armentrout and Rodgers, 2000
Armentrout, P.B.; Rodgers, M.T., An Absolute Sodium Cation Affinity Scale: Threshold Collision-Induced Dissociation Experiments and ab Initio Theory, J. Phys. Chem A, 2000, 104, 11, 2238, https://doi.org/10.1021/jp991716n . [all data]

Rodgers and Armentrout, 1999
Rodgers, M.T.; Armentrout, P.B., Absolute Binding Energies of Sodium Ions to Short-Chain Alcohols, CnH2n+2O, n=1-4, Determined by Threshold Collision-Induced Dissociation Experiments and Ab Initio Theory, 1999, 4955. [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Ion clustering data, References

• Symbols used in this document:
  

  Cp,gas	Constant pressure heat capacity of gas
  S°gas	Entropy of gas at standard conditions
  T	Temperature
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.

© 2026 by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved.

Copyright for NIST Standard Reference Data is governed by the Standard Reference Data Act.