4-n-Propylbenzoic acid

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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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tfus422.0KN/APrivalko, Puchkovskaya, et al., 1985Crystal phase 1 phase; Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Δsub26.1 ± 0.2kcal/molMEMonte, Almeida, et al., 2004Based on data from 331. to 347. K.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
5.57422.Privalko, Puchkovskaya, et al., 1985, 2AC

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

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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

Gas Phase Spectrum

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IR spectrum
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Additional Data

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Owner SRD/NIST
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin EPA-IR VAPOR PHASE LIBRARY
State gas

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


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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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-IW-3287
NIST MS number 237189

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References

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

Privalko, Puchkovskaya, et al., 1985
Privalko, V.P.; Puchkovskaya, G.A.; Shermatov, E.N.; Yakubov, A.A., Polymorphic Transitions in Alkylbenzoic Acids, Mol. Cryst. Liq. Cryst., 1985, 126, 2-4, 289, https://doi.org/10.1080/00268948508084797 . [all data]

Monte, Almeida, et al., 2004
Monte, Manuel J.S.; Almeida, Ana R.R.P.; Ribeiro da Silva, Manuel A.V., Thermodynamic study of the sublimation of eight 4-n-alkylbenzoic acids, The Journal of Chemical Thermodynamics, 2004, 36, 5, 385-392, https://doi.org/10.1016/j.jct.2004.02.001 . [all data]

Privalko, Puchkovskaya, et al., 1985, 2
Privalko, V.P.; Puchkovskaya, G.A.; Shermatov, E.N.; Yakubov, A.A., Polymorphic Transitions in Alkylbenzoic Acids, Molecular Crystals and Liquid Crystals, 1985, 126, 2-4, 289-297, https://doi.org/10.1080/00268948508084797 . [all data]


Notes

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