4-Heptylbenzoic acid
- Formula: C14H20O2
- Molecular weight: 220.3074
- IUPAC Standard InChIKey: VSUKEWPHURLYTK-UHFFFAOYSA-N
- CAS Registry Number: 38350-87-7
- 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, 4-heptyl-
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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 |
---|---|---|---|---|---|
Tfus | 376. | K | N/A | Privalko, Puchkovskaya, et al., 1985 | Crystal phase 1 phase; Uncertainty assigned by TRC = 1. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 130.0 ± 0.9 | kJ/mol | ME | Monte, Almeida, et al., 2004 | Based on data from 353. to 369. K.; AC |
References
Go To: Top, Phase change data, Notes
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]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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