Nonanoic acid

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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 by: Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas-137.6 ± 0.24kcal/molCcbAdriaanse, Dekker, et al., 1965Value computed using ΔfHliquid° from Adriaanse, Dekker, et al., 1965 and ΔvapH° value of 19.7 kcal/mol from Baccanari, Novinski, et al., 1968.
Δfgas-138.5 ± 0.24kcal/molN/ALebedeva, 1964Value computed using ΔfHliquid° value of -661.91±0.96 kj/mol from Lebedeva, 1964 and ΔvapH° value of 82.4±0.4 kj/mol from missing citation.
Δfgas-138.5 ± 0.24kcal/molCcbLebedeva, 1964Value computed using ΔfHliquid° from Lebedeva, 1964 and ΔvapH° value of 19.7 kcal/mol from Baccanari, Novinski, et al., 1968.

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:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-157.3 ± 0.2kcal/molCcbAdriaanse, Dekker, et al., 1965DRB
Δfliquid-158.20 ± 0.23kcal/molCcbLebedeva, 1964ALS
Quantity Value Units Method Reference Comment
Δcliquid-1304.0 ± 0.2kcal/molCcbAdriaanse, Dekker, et al., 1965Corresponding Δfliquid = -157.3 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-1303.12 ± 0.23kcal/molCcbLebedeva, 1964Corresponding Δfliquid = -158.18 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
86.609298.15Schaake, van Miltenburg, et al., 1982T = 80 to 310 K.; DH
79.80304.Garner and Randall, 1924T = -9 to 44°C. Mean value 18 to 44°C.; DH

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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil526. ± 6.KAVGN/AAverage of 16 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus285. ± 1.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple285.53KN/ASchaake, van Miltenburg, et al., 1982, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.02 K; TRC
Quantity Value Units Method Reference Comment
Tc712.KN/AAmbrose and Ghiassee, 1987Uncertainty assigned by TRC = 3. K; TRC
Tc709.58KN/AD'Souza and Teja, 1987Uncertainty assigned by TRC = 3. K; Ambrose's procedure; TRC
Quantity Value Units Method Reference Comment
Pc23.19atmN/AAmbrose and Ghiassee, 1987Uncertainty assigned by TRC = 1.97 atm; TRC
Pc23.1568atmN/AD'Souza and Teja, 1987Uncertainty assigned by TRC = 0.89 atm; Ambrose's procedure; TRC
Quantity Value Units Method Reference Comment
Δvap19.7 ± 0.1kcal/molVBaccanari, Novinski, et al., 1968ALS
Δvap19.7 ± 0.1kcal/molN/ABaccanari, Novinski, et al., 1968Based on data from 293. to 303. K.; AC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
18.4396.AStephenson and Malanowski, 1987Based on data from 381. to 528. K.; AC
20.4 ± 0.48304.ME,TEde Kruif, Schaake, et al., 1982Based on data from 292. to 313. K.; AC
15.3387. to 483.EBTrent, Miller, et al., 1960AC

Antoine Equation Parameters

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

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Temperature (K) A B C Reference Comment
410.0 to 450.2.54088773.594-235.239Kahlbaum, 1894Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
4.854285.5Acree, 1991AC

Enthalpy of phase transition

ΔHtrs (kcal/mol) Temperature (K) Initial Phase Final Phase Reference Comment
1.948263.0crystaline, IIcrystaline, ISchaake, van Miltenburg, et al., 1982DH
4.7378285.53crystaline, IliquidSchaake, van Miltenburg, et al., 1982DH
1.329268.crystaline, IIcrystaline, IGarner and Randall, 1924DH
4.8494285.5crystaline, IliquidGarner and Randall, 1924DH

Entropy of phase transition

ΔStrs (cal/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
6.709263.0crystaline, IIcrystaline, ISchaake, van Miltenburg, et al., 1982DH
16.59285.53crystaline, IliquidSchaake, van Miltenburg, et al., 1982DH
4.95268.crystaline, IIcrystaline, IGarner and Randall, 1924DH
17.0285.5crystaline, IliquidGarner and Randall, 1924DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


IR Spectrum

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

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IR spectrum
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Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Sadtler Research Labs Under US-EPA Contract
State gas

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Due to licensing restrictions, this spectrum cannot be downloaded.

Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW- 795
NIST MS number 227949

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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.

Adriaanse, Dekker, et al., 1965
Adriaanse, N.; Dekker, H.; Coops, J., Heats of combustion of normal saturated fatty acids and their methyl esters, Rec. Trav. Chim. Pays/Bas, 1965, 84, 393-407. [all data]

Baccanari, Novinski, et al., 1968
Baccanari, D.P.; Novinski, J.A.; Pan, Y.; Yevitz, M.M.; Swain, H.A., Jr., Heats of sublimation and vaporization at 25° of long chain fatty acids and methyl esters, Trans. Faraday Soc., 1968, 64, 1201. [all data]

Lebedeva, 1964
Lebedeva, N.D., Heats of combustion of monocarboxylic acids, Russ. J. Phys. Chem. (Engl. Transl.), 1964, 38, 1435-1437. [all data]

Schaake, van Miltenburg, et al., 1982
Schaake, R.C.F.; van Miltenburg, J.C.; De Kruif, C.G., Thermodynamic properties of the normal alkanoic acids. I. Molar heat capacities of seven odd-numbered normal alkanoic acids, J. Chem. Thermodynam., 1982, 14, 763-769. [all data]

Garner and Randall, 1924
Garner, W.E.; Randall, F.C., Alternation in the heats of crystallization of the normal monobasic fatty acids. Part I., J. Chem. Soc., 1924, 125, 881-896. [all data]

Schaake, van Miltenburg, et al., 1982, 2
Schaake, R.C.F.; van Miltenburg, J.C.; De Kruif, C.G., Thermodynamic properties of the normal alkanoic acids. I. Molar heat capacities of seven odd-numbered normal alkanoic acids., J. Chem. Thermodyn., 1982, 14, 763. [all data]

Ambrose and Ghiassee, 1987
Ambrose, D.; Ghiassee, N.B., Vapor Pressures and Critical Temperatures and Critical Pressures of Some Alkanoic Acids: C1 to C10, J. Chem. Thermodyn., 1987, 19, 505. [all data]

D'Souza and Teja, 1987
D'Souza, R.; Teja, A.S., The prediction of the vapor pressures of carboxylic acids, Chem. Eng. Commun., 1987, 61, 13. [all data]

Stephenson and Malanowski, 1987
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]

de Kruif, Schaake, et al., 1982
de Kruif, C.G.; Schaake, R.C.F.; van Miltenburg, J.C.; van der Klauw, K.; Blok, J.G., Thermodynamic properties of the normal alkanoic acids III. Enthalpies of vaporization and vapour pressures of 13 normal alkanoic acids, The Journal of Chemical Thermodynamics, 1982, 14, 8, 791-798, https://doi.org/10.1016/0021-9614(82)90176-8 . [all data]

Trent, Miller, et al., 1960
Trent, F.M.; Miller, F.D.; Brown, G.H., Some Physical Properties of Certain C 9 and C 10 Aliphatic Acids and their Methyl Esters.2-Ethylheptanoic and Pelargonic Acids, and Methyl Esters of 2-Ethylpentanoic,Pelargonic, 2, 5-Diethyladipic, 2-Ethylsuberic, and Sebacic Acids., J. Chem. Eng. Data, 1960, 5, 1, 110-111, https://doi.org/10.1021/je60005a026 . [all data]

Kahlbaum, 1894
Kahlbaum, G.W.A., Studien uber Dampfspannkraftsmessungen, Z. Phys. Chem. (Leipzig), 1894, 13, 14-55. [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]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References