Cyclohexane, propyl-
- Formula: C9H18
- Molecular weight: 126.2392
- IUPAC Standard InChIKey: DEDZSLCZHWTGOR-UHFFFAOYSA-N
- CAS Registry Number: 1678-92-8
- 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: Propylcyclohexane; n-Propylcyclohexane; Cyclohexane, n-propyl-
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Phase change data
Go To: Top, 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:
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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 429. ± 3. | K | AVG | N/A | Average of 24 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 178.09 | K | N/A | Boord, Greenlee, et al., 1946 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tfus | 178.19 | K | N/A | Forziati, Glasgow, et al., 1946 | Uncertainty assigned by TRC = 0.02 K; TRC |
Tfus | 178.06 | K | N/A | Anonymous, 1941 | Uncertainty assigned by TRC = 0.1 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 178.25 | K | N/A | Finke, Messerly, et al., 1965 | Uncertainty assigned by TRC = 0.02 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 45. ± 1. | kJ/mol | AVG | N/A | Average of 10 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
41.7 | 361. | A,MM | Stephenson and Malanowski, 1987 | Based on data from 346. to 431. K. See also Stull, 1947 and Forziati, Norris, et al., 1949.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference |
---|---|---|---|---|
345.84 to 430.89 | 4.01356 | 1461.715 | -65.16 | Forziati, Norris, et al., 1949, 2 |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
13.072 | 178.25 | Finke, Messerly, et al., 1965 | DH |
10.6 | 178. | Mandanici, Cutroni, et al., 2006 | AC |
10.37 | 178.3 | Acree, 1991 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
58.19 | 178.25 | Finke, Messerly, et al., 1965 | DH |
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.
Boord, Greenlee, et al., 1946
Boord, C.E.; Greenlee, K.W.; Perilstein, W.L.,
The Synthesis, Purification and Prop. of Hydrocarbons of Low Mol. Weight, Am. Pet. Inst. Res. Proj. 45, Eighth Annu. Rep., Ohio State Univ., June 30, 1946. [all data]
Forziati, Glasgow, et al., 1946
Forziati, A.F.; Glasgow, A.R.; Willingham, C.B.; Rossini, F.D.,
Specification adn Properties of 29 Paraffin, 4 Alkylcyclopentanes, 10 Alkylcyclohexanes and 8 Alkylbenzene Hydrocarbons,
J. Res. Natl. Bur. Stand. (U. S.), 1946, 36, 129. [all data]
Anonymous, 1941
Anonymous, R.,
, Am. Pet. Inst. Hydrocarbon Res. Proj., Third Annu. Rep., Ohio State Univ., Aug. 31, 1941. [all data]
Finke, Messerly, et al., 1965
Finke, H.L.; Messerly, J.F.; Todd, S.S.,
Thermodynamic properties of n-propyl-, n-butyl-, and n-decyl-substituted cyclohexane from 10 to 370 K,
J. Phys. Chem., 1965, 69, 2094-2100. [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]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Forziati, Norris, et al., 1949
Forziati, Alphonse F.; Norris, William R.; Rossini, Frederick D.,
Vapor pressures and boiling points of sixty API-NBS hydrocarbons,
J. RES. NATL. BUR. STAN., 1949, 43, 6, 555-17, https://doi.org/10.6028/jres.043.050
. [all data]
Forziati, Norris, et al., 1949, 2
Forziati, A.F.; Norris, W.R.; Rossini, F.D.,
Vapor Pressures and Boiling Points of Sixty API-NBS Hydrocarbons,
J. Res. Natl. Bur. Stand. (U.S.), 1949, 43, 6, 555-563, https://doi.org/10.6028/jres.043.050
. [all data]
Mandanici, Cutroni, et al., 2006
Mandanici, Andrea; Cutroni, Maria; Triolo, Alessandro; Rodriguez-Mora, Virginia; Ramos, Miguel A.,
Thermodynamic study of alkyl-cyclohexanes in liquid, glassy, and crystalline states,
J. Chem. Phys., 2006, 125, 5, 054514, https://doi.org/10.1063/1.2238863
. [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, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion 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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