Pentane
- Formula: C5H12
- Molecular weight: 72.1488
- IUPAC Standard InChI: InChI=1S/C5H12/c1-3-5-4-2/h3-5H2,1-2H3
- IUPAC Standard InChIKey: OFBQJSOFQDEBGM-UHFFFAOYSA-N
- CAS Registry Number: 109-66-0
- 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: n-Pentane; Skellysolve A; n-C5H12; Pentan; Pentanen; Pentani; Amyl hydride; NSC 72415
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Critical pressure
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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
| Pc (bar) | Reference | Comment |
|---|---|---|
| 33.7 ± 0.2 | Ambrose and Tsonopoulos, 1995 | |
| 33.69 | Gude and Teja, 1994 | Uncertainty assigned by TRC = 0.20 bar; TRC |
| 33.60 | Nikitin, Pavlov, et al., 1994 | Uncertainty assigned by TRC = 0.40 bar; TRC |
| 33.30 | Nikitin, Pavlov, et al., 1993 | Uncertainty assigned by TRC = 0.50 bar; TRC |
| 33.70 | Fransson, Barreau, et al., 1992 | Uncertainty assigned by TRC = 0.30 bar; TRC |
| 33.60 | Quadri, Khilar, et al., 1991 | Uncertainty assigned by TRC = 0.10 bar; TRC |
| 33.60 | Grigor'ev, Rastorguev, et al., 1990 | Uncertainty assigned by TRC = 0.20 bar; TRC |
| 33.69 | Rosenthal and Teja, 1989 | Uncertainty assigned by TRC = 0.20 bar; TRC |
| 33.69 | Teja, Lee, et al., 1989 | TRC |
| 33.82 | Brunner, 1988 | Uncertainty assigned by TRC = 0.05 bar; Visual, optical cell 30cm high. P transducer calibr. vs PB.; TRC |
| 33.638 | Kratzke, Muller, et al., 1985 | Uncertainty assigned by TRC = 0.0033 bar; Values selected in accord with PVT study, vapour pressure measured up to 460 k; TRC |
| 33.64 | Kratzke, 1985 | TRC |
| 33.80 | Wolfe, Kay, et al., 1983 | Uncertainty assigned by TRC = 0.20 bar; $ %Y/SI 1.5 @Y/SI 20; TRC |
| 33.78 | Aftienjew and Zawisza, 1977 | Uncertainty assigned by TRC = 0.0337 bar; TRC |
| 32.68 | Das, Reed, et al., 1977 | Uncertainty assigned by TRC = 1.0133 bar; TRC |
| 33.7635 | Kreglewski and Kay, 1969 | Uncertainty assigned by TRC = 0.2068 bar; TRC |
| 33.7514 | Beattie, Levine, et al., 1951 | Uncertainty assigned by TRC = 0.0607 bar; TRC |
| 34.0601 | Sage and Lacey, 1942 | Uncertainty assigned by TRC = 0.2068 bar; TRC |
| 33.464 | Young, 1910 | Uncertainty assigned by TRC = 0.667 bar; TRC |
| 32.70 | Altschul, 1893 | Uncertainty assigned by TRC = 1.9613 bar; TRC |
References
Go To: Top, Critical pressure, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ambrose and Tsonopoulos, 1995
Ambrose, D.; Tsonopoulos, C.,
Vapor-Liquid Critical Properties of Elements and Compounds. 2. Normal Alkenes,
J. Chem. Eng. Data, 1995, 40, 531-546. [all data]
Gude and Teja, 1994
Gude, M.T.; Teja, A.S.,
Measurement techniques for critical properties of unstable substances,
AIChE Symp. Ser., 1994, 90, 298, 14-22. [all data]
Nikitin, Pavlov, et al., 1994
Nikitin, E.D.; Pavlov, P.A.; Bessonova, N.V.,
Critical constants of n-alkanes with from 17 to 24 carbon atoms,
J. Chem. Thermodyn., 1994, 26, 177-82. [all data]
Nikitin, Pavlov, et al., 1993
Nikitin, E.D.; Pavlov, P.A.; Skripov, P.V.,
Measurement of the critical properties of thermally unstable substances and mixtures by the pulse-heating method,
J. Chem. Thermodyn., 1993, 25, 869-80. [all data]
Fransson, Barreau, et al., 1992
Fransson, E.; Barreau, A.; Vidal, J.,
Vapor-liquid equilibrium in binary systems of n-pentane + chlorodifluoromethane or + 1,1-difluoroethane,
J. Chem. Eng. Data, 1992, 37, 521-5. [all data]
Quadri, Khilar, et al., 1991
Quadri, S.K.; Khilar, K.C.; Kudchadker, A.P.; Patni, M.J.,
Measurement of the critical temperatures and critical pressures of some thermally stable or mildly unstable alkanols,
J. Chem. Thermodyn., 1991, 23, 67-76. [all data]
Grigor'ev, Rastorguev, et al., 1990
Grigor'ev, B.A.; Rastorguev, Yu.L.; Kurumov, D.S.; Gerasimov, A.A.; Kharin, V.E.; Plotnikov, S.A.,
Thermodynamic properties of n-pentane,
Int. J. Thermophys., 1990, 11, 487-502. [all data]
Rosenthal and Teja, 1989
Rosenthal, D.J.; Teja, A.S.,
The Critical Properties of n-Alkanes Using a Low-Residence Time Flow Apparatus,
AIChE J., 1989, 35, 1829. [all data]
Teja, Lee, et al., 1989
Teja, A.S.; Lee, R.J.; Rosenthal, D.J.; Anselme, M.J.,
Correlation of the Critical Properties of Alkanes and Alkanols
in 5th IUPAC Conference on Alkanes and AlkanolsGradisca, 1989. [all data]
Brunner, 1988
Brunner, E.,
Fluid Mixtures at High Pressures VI. Phase Separation and Critical Phenomena in 18 (n-Alkane + Ammonia) and 4 (n-Alkane _ Methanol) Mixtures,
J. Chem. Thermodyn., 1988, 20, 273. [all data]
Kratzke, Muller, et al., 1985
Kratzke, H.; Muller, S.; Bohn, M.; Kohlen, R.,
Thermodynamic properties of saturated and compressed liquid n-pentane.,
J. Chem. Thermodyn., 1985, 17, 283-294. [all data]
Kratzke, 1985
Kratzke, H.,
Critical constant of n-pentane,
AIChE J., 1985, 31, 693. [all data]
Wolfe, Kay, et al., 1983
Wolfe, D.; Kay, W.B.; Teja, A.S.,
Phase Equilibria in the n-Pentane + Pent-1-ene System 1. Critical States,
J. Chem. Eng. Data, 1983, 28, 319. [all data]
Aftienjew and Zawisza, 1977
Aftienjew, J.; Zawisza, A.,
High-Pressure Liquid Vapour-Equilibria, Critical State and p(V,T,x) Up to 501.15 K and 4.560 MPa for n-Pentane + n-Perfluoropentane,
J. Chem. Thermodyn., 1977, 9, 2, 153-165, https://doi.org/10.1016/0021-9614(77)90081-7
. [all data]
Das, Reed, et al., 1977
Das, T.R.; Reed, C.O.; Eubank, P.T.,
PVT sSurface and Thermodynamic Propertrieies of n-Pentane.,
J. Chem. Eng. Data, 1977, 22, 3. [all data]
Kreglewski and Kay, 1969
Kreglewski, A.; Kay, W.B.,
The Critical Constants of Conformal Mixtures,
J. Phys. Chem., 1969, 73, 3359. [all data]
Beattie, Levine, et al., 1951
Beattie, J.A.; Levine, S.W.; Douslin, D.R.,
The vapor pressure and critical constants of normal pentane,
J. Am. Chem. Soc., 1951, 73, 4431. [all data]
Sage and Lacey, 1942
Sage, B.H.; Lacey, W.N.,
Phase equilibria in hydrocarbon systems. Thermodynamic properties of n- pentane.,
Ind. Eng. Chem., 1942, 34, 730-737. [all data]
Young, 1910
Young, S.,
The Internal Heat of Vaporization constants of thirty pure substances,
Sci. Proc. R. Dublin Soc., 1910, 12, 374. [all data]
Altschul, 1893
Altschul, M.,
The critical values of some organic compounds,
Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1893, 11, 577. [all data]
Notes
Go To: Top, Critical pressure, References
- Symbols used in this document:
Pc Critical pressure - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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