n-Hexane
- Formula: C6H14
- Molecular weight: 86.1754
- IUPAC Standard InChIKey: VLKZOEOYAKHREP-UHFFFAOYSA-N
- CAS Registry Number: 110-54-3
- 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) - Isotopologues:
- Other names: Hexane; Skellysolve B; n-C6H14; Esani; Heksan; Hexanen; Hexyl hydride; Gettysolve-B; NCI-C60571; NSC 68472
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Critical pressure
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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
Pc (atm) | Reference | Comment |
---|---|---|
29.9 ± 0.2 | Ambrose and Tsonopoulos, 1995 | |
29.51 | Nikitin, Pavlov, et al., 1994 | Uncertainty assigned by TRC = 0.39 atm; TRC |
29.41 | Nikitin, Pavlov, et al., 1993 | Uncertainty assigned by TRC = 0.49 atm; TRC |
29.51 | Quadri, Khilar, et al., 1991 | Uncertainty assigned by TRC = 0.099 atm; TRC |
29.75 | Rosenthal and Teja, 1989 | Uncertainty assigned by TRC = 0.20 atm; TRC |
29.73 | Teja, Lee, et al., 1989 | TRC |
29.85 | Brunner, 1988 | Uncertainty assigned by TRC = 0.05 atm; Visual, optical cell 30cm high. P transducer cal. vs PB.; TRC |
29.96 | Grigor'ev, Rastorguev, et al., 1988 | Uncertainty assigned by TRC = 0.30 atm; TRC |
29.96 | Mandlekar, Kay, et al., 1985 | Uncertainty assigned by TRC = 0.987 atm; TRC |
30.11 | Zawisza, 1985 | Uncertainty assigned by TRC = 0.49 atm; TRC |
30.18 | Kurumov and Grigor'ev, 1982 | Uncertainty assigned by TRC = 0.49 atm; TRC |
29.9198 | Genco, Teja, et al., 1980 | Uncertainty assigned by TRC = 0.08 atm; TRC |
29.95125 | Mousa, 1977 | Uncertainty assigned by TRC = 0.0340 atm; TRC |
30.08 | Kay and Young, 1975 | Uncertainty assigned by TRC = 0.03 atm; TRC |
29.92 | Kay and Young, 1975, 2 | Uncertainty assigned by TRC = 0.03 atm; TRC |
29.951 | Mousa, Kay, et al., 1972 | Uncertainty assigned by TRC = 0.0340 atm; TRC |
30.06 | Pak and Kay, 1972 | Uncertainty assigned by TRC = 0.0680 atm; TRC |
29.9401 | Kreglewski and Kay, 1969 | Uncertainty assigned by TRC = 0.2041 atm; TRC |
30.11 | Kay and Hissong, 1967 | Uncertainty assigned by TRC = 0.0340 atm; TRC |
29.90 | Kay, 1964 | Uncertainty assigned by TRC = 0.5000 atm; TRC |
29.6000 | Glaser and Ruland, 1957 | Uncertainty assigned by TRC = 1.5000 atm; TRC |
29.53 | Nichols, Reamer, et al., 1957 | Uncertainty assigned by TRC = 0.5443 atm; TRC |
29.94 | Kay, 1946 | Uncertainty assigned by TRC = 0.0499 atm; TRC |
29.606 | Young, 1910 | Uncertainty assigned by TRC = 0.329 atm; TRC |
29.02 | Altschul, 1893 | Uncertainty assigned by TRC = 0.9679 atm; TRC; Data excluded from overall average |
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]
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]
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]
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]
Grigor'ev, Rastorguev, et al., 1988
Grigor'ev, B.A.; Rastorguev, Yu.L.; Gerasimov, A.A.; Kurumov, D.S.; Plotnikov, S.A.,
Thermodynamic properties of n-hexane,
Int. J. Thermophys., 1988, 9, 439. [all data]
Mandlekar, Kay, et al., 1985
Mandlekar, A.V.; Kay, W.B.; Smith, R.L.; Teja, A.S.,
Phase equilibria in the n-hexane + diethylamine system,
Fluid Phase Equilib., 1985, 23, 79. [all data]
Zawisza, 1985
Zawisza, A.,
High-pressure liquid-vapour equilibria, critical state, and p(Vm,T,x) to 44 8.15 K and 4.053 MPa for {xC6H14 + (1-x)CH3OH}.,
J. Chem. Thermodyn., 1985, 17, 941-947. [all data]
Kurumov and Grigor'ev, 1982
Kurumov, D.S.; Grigor'ev, B.A.,
Experimental investigation of p,v,T-dependence of n-hexane in the cri tical region.,
Zh. Fiz. Khim., 1982, 56, 551-555. [all data]
Genco, Teja, et al., 1980
Genco, J.M.; Teja, A.S.; Kay, W.B.,
Study of the critical and azeotropic behavior of binary mixtures I critical states of perfluoromethylcyclohexane + isomeric hexane systems,
J. Chem. Eng. Data, 1980, 25, 350. [all data]
Mousa, 1977
Mousa, A.H.N.,
The Physical properties of highly purified purified samnples of propane and n-hexane,
J. Chem. Thermodyn., 1977, 9, 1063-5. [all data]
Kay and Young, 1975
Kay, W.B.; Young, C.L.,
Gas-liquid critical properties. 2-Butanone (methyl ethyl Ketone)-n-hexane system,
Int. DATA Ser., Sel. Data Mixtures, Ser. A, 1975, No. 2, 155. [all data]
Kay and Young, 1975, 2
Kay, W.B.; Young, C.L.,
Gas-liquid critical properties. Tetradecafluoromethylcyclohexane( perfluoromethylcyclohexane)-n-hexane system,
Int. DATA Ser., Sel. Data Mixtures, Ser. A, 1975, No. 1, 52. [all data]
Mousa, Kay, et al., 1972
Mousa, A.H.N.; Kay, W.B.; Kreglewski, A.,
The critical constants of binary mixtures of certain perfluoro-compounds with alkanes,
J. Chem. Thermodyn., 1972, 4, 301-11. [all data]
Pak and Kay, 1972
Pak, S.C.; Kay, W.B.,
Gas-Liquid Critical Temperatures of Mixtures. Benzene + n-Alkanes and Hexafluorobenzene + n-Alkanes,
Ind. Eng. Chem. Fundam., 1972, 11, 255. [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]
Kay and Hissong, 1967
Kay, W.B.; Hissong, D.W.,
The Critical Properties of Hydrocarbons I. Simple Mixtures,
Proc. - Am. Pet. Inst., Div. Refin., 1967, 47, 653. [all data]
Kay, 1964
Kay, W.B.,
P-T-x Diagrams in the Critical Region. Acetone-n-Alkane Systems,
J. Phys. Chem., 1964, 68, 827-31. [all data]
Glaser and Ruland, 1957
Glaser, F.; Ruland, H.,
Untersuchungsen über dampfdruckkurven und kritische daten einiger technisch wichtiger organischer substanzen,
Chem. Ing. Techn., 1957, 29, 772. [all data]
Nichols, Reamer, et al., 1957
Nichols, W.B.; Reamer, H.H.; Sage, B.H.,
Volumetric and Phase Behavior in the Hydrogen-Hexane System,
AIChE J., 1957, 3, 262. [all data]
Kay, 1946
Kay, W.B.,
The Vapor Pressures and Saturated Liquid and Vapor Densities of the Isomeric Hexanes,
J. Am. Chem. Soc., 1946, 68, 1336. [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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