Benzene
- Formula: C6H6
- Molecular weight: 78.1118
- IUPAC Standard InChI: InChI=1S/C6H6/c1-2-4-6-5-3-1/h1-6H
- IUPAC Standard InChIKey: UHOVQNZJYSORNB-UHFFFAOYSA-N
- CAS Registry Number: 71-43-2
- 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. - Isotopologues:
- Other names: [6]Annulene; Benzol; Benzole; Coal naphtha; Cyclohexatriene; Phenyl hydride; Pyrobenzol; Pyrobenzole; Benzolene; Bicarburet of hydrogen; Carbon oil; Mineral naphtha; Motor benzol; Benzeen; Benzen; Benzin; Benzine; Benzolo; Fenzen; NCI-C55276; Phene; Rcra waste number U019; UN 1114; NSC 67315; 1,3,5-Cyclohexatriene
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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 |
|---|---|---|
| 48.95 ± 0.06 | Tsonopoulos and Ambrose, 1995 | |
| 48.84 | Chirico and Steele, 1994 | Uncertainty assigned by TRC = 0.20 bar; TRC |
| 49.00 | Knipmeyer, Archer, et al., 1989 | Uncertainty assigned by TRC = 0.10 bar; TRC |
| 48.94 | Brunner, 1988 | Uncertainty assigned by TRC = 0.10 bar; TRC |
| 48.7575 | Goodwin, 1988 | Uncertainty assigned by TRC = 0.30 bar; TRC |
| 48.98 | Ambrose, 1987 | Uncertainty assigned by TRC = 0.02 bar; TRC |
| 48.97 | Kay and Kreglewski, 1983 | Uncertainty assigned by TRC = 0.10 bar; TRC |
| 48.87 | Ewing, McGlashan, et al., 1981 | Uncertainty assigned by TRC = 0.03 bar; Visual, observed with periscope in heated metal block.; TRC |
| 48.89 | Hugill and McGlashan, 1981 | Uncertainty assigned by TRC = 0.03 bar; Visual, observed with periscope in heated metal block; TRC |
| 49.00 | Kobe and Mathews, 1970 | Uncertainty assigned by TRC = 0.5066 bar; TRC |
| 48.8589 | Campbell and Chatterjee, 1969 | Uncertainty assigned by TRC = 0.0506 bar; TRC |
| 48.8589 | Campbell and Chatterjee, 1968 | Uncertainty assigned by TRC = 0.0405 bar; TRC |
| 48.98 | Ambrose, Broderick, et al., 1967 | Uncertainty assigned by TRC = 0.05 bar; average of new and previous measurements; TRC |
| 48.96 | Skaates and Kay, 1964 | Uncertainty assigned by TRC = 0.1034 bar; TRC |
| 49.00 | Ambrose and Townsend, 1963 | Uncertainty assigned by TRC = 0.1013 bar; TRC |
| 48.92 | Connolly and Kandalic, 1962 | Uncertainty assigned by TRC = 0.081 bar; TRC |
| 49.3665 | McCracken, Storvick, et al., 1960 | Uncertainty assigned by TRC = 0.5515 bar; TRC |
| 48.5347 | Kreglewski, 1955 | Uncertainty assigned by TRC = 0.5066 bar; TRC |
| 48.98 | Bender, Furukawa, et al., 1952 | Uncertainty assigned by TRC = 0.1013 bar; TRC |
| 48.75 | Kay and Nevens, 1952 | Uncertainty assigned by TRC = 0.2758 bar; TRC |
| 49.309 | Gornowski, Amick, et al., 1947 | Uncertainty assigned by TRC = 0.40 bar; TRC |
| 48.523 | Young, 1910 | Uncertainty assigned by TRC = 0.5333 bar; TRC |
| 50.20 | Schamhardt, 1908 | Uncertainty assigned by TRC = 1.0133 bar; TRC; Data excluded from overall average |
| 49.10 | Altschul, 1893 | Uncertainty assigned by TRC = 0.049 bar; TRC |
| 48.5227 | Young, 1889 | Uncertainty assigned by TRC = 0.3999 bar; vapor pressure at critical temp.; TRC |
| 61.20 | Ramsay, 1881 | Uncertainty assigned by TRC = 7.0928 bar; 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.
Tsonopoulos and Ambrose, 1995
Tsonopoulos, C.; Ambrose, D.,
Vapor-Liquid Critical Properties of Elements and Compounds. 3. Aromatic Hydrocarbons,
J. Chem. Eng. Data, 1995, 40, 547-558. [all data]
Chirico and Steele, 1994
Chirico, R.D.; Steele, W.V.,
Reconciliation of Calorimetrically and Spectroscopically Derived Methyl Benzene. The Importance of the Third Virial Coefficient,
Ind. Eng. Chem. Res., 1994, 33, 157-67. [all data]
Knipmeyer, Archer, et al., 1989
Knipmeyer, S.E.; Archer, D.G.; Chirico, R.D.; Gammon, B.E.; Hossenlopp, I.A.; Nguyen, A.; Smith, N.K.; Steele, W.V.; Strube, M.M.,
High-temperature enthalpy and critical property measurements using differential scanning calorimeter,
Fluid Phase Equilib., 1989, 52, 185. [all data]
Brunner, 1988
Brunner, E.,
Fluid mixtures at high pressure VII. Phase separations and critical phenomena in 12 binary mixtures containing ammonia,
J. Chem. Thermodyn., 1988, 20, 1397-1409. [all data]
Goodwin, 1988
Goodwin, R.D.,
Benzene thermophysical properties from 279 to 900 K at pressures to 1000 bar,
J. Phys. Chem. Ref. Data, 1988, 17, 1541-636. [all data]
Ambrose, 1987
Ambrose, D.,
Vapor Pressures of Some Aromatic Hydrocarbons,
J. Chem. Thermodyn., 1987, 19, 1007. [all data]
Kay and Kreglewski, 1983
Kay, W.B.; Kreglewski, A.,
Critical-locus curves and liquid-vapor equilibria in the binary systems of benzene with carbon dioxide and sulfur dioxide.,
Fluid Phase Equilib., 1983, 11, 251-65. [all data]
Ewing, McGlashan, et al., 1981
Ewing, M.B.; McGlashan, M.L.; Tzias, P.,
Phase equilibria, and critical temperatures and pressures, of fluid (benzene + hexafluorobenzene),
J. Chem. Thermodyn., 1981, 13, 527. [all data]
Hugill and McGlashan, 1981
Hugill, J.A.; McGlashan, M.L.,
Phase equilibria, and critical temperatures and pressures, of fluid (cyclohexane + hexafluorobenzene),
J. Chem. Thermodyn., 1981, 13, 429-36. [all data]
Kobe and Mathews, 1970
Kobe, K.A.; Mathews, J.F.,
Critical Properties and Vapor Pressures of Some Organic Nitrogen and Oxygen Compounds,
J. Chem. Eng. Data, 1970, 15, 182. [all data]
Campbell and Chatterjee, 1969
Campbell, A.N.; Chatterjee, R.M.,
The critical constants and orthobaric densities of acetone, chloroform benzene, and carbon tetrachloride,
Can. J. Chem., 1969, 47, 3893-8. [all data]
Campbell and Chatterjee, 1968
Campbell, A.N.; Chatterjee, R.M.,
Orthobaric Data of Certain Pure Liquids in the Neighborhood of the Critical Point,
Can. J. Chem., 1968, 46, 575-81. [all data]
Ambrose, Broderick, et al., 1967
Ambrose, D.; Broderick, B.E.; Townsend, R.,
The Vapour Pressures above the Normal Boiling Point and the Critical Pressures of Some Aromatic Hydrocarbons,
J. Chem. Soc. , 1967, 1967, 1967, 633-41. [all data]
Skaates and Kay, 1964
Skaates, J.M.; Kay, W.B.,
The Phase Relations of Binary Systems that Form Azeotropes: N-Alkyl Alcohol-Benzene Systems: Methanol Through N-Butanol,
Chem. Eng. Sci., 1964, 19, 431-44. [all data]
Ambrose and Townsend, 1963
Ambrose, D.; Townsend, R.,
Thermodynamic Properties of Organic Oxygen Compounds IX. The Critical Properties and Vapor Pressures Above Five Atmospheres of Six Aliphatic Alcohols,
J. Chem. Soc., 1963, 54, 3614-25. [all data]
Connolly and Kandalic, 1962
Connolly, J.F.; Kandalic, G.A.,
Saturation Properties and Liquid Compressibilities for Benzene and n-Octane,
J. Chem. Eng. Data, 1962, 7, 137. [all data]
McCracken, Storvick, et al., 1960
McCracken, P.G.; Storvick, T.S.; Smith, J.M.,
Phase Behavior from Enthalpy Measurements. Oentane-Ethyl Alcohol and n-Pentane-Ethyl Alcohol Systems,
J. Chem. Eng. Data, 1960, 5, 130-2. [all data]
Kreglewski, 1955
Kreglewski, A.,
The Critical Temperatures of Mixtures formed by Benzene and n-Octane with Iso-Alcohols,
Rocz. Chem., 1955, 29, 754. [all data]
Bender, Furukawa, et al., 1952
Bender, P.; Furukawa, G.T.; Hyndman, J.R.,
Vapor Pressure of Benzene Above 100 C,
Ind. Eng. Chem., 1952, 44, 387. [all data]
Kay and Nevens, 1952
Kay, W.B.; Nevens, T.D.,
Liquid-Vapor Equilibrium Relations in Binary Systems: the Ethane-benzene SYStem,
Chem. Eng. Prog., Symp. Ser., 1952, 48, 3, 108. [all data]
Gornowski, Amick, et al., 1947
Gornowski, E.J.; Amick, E.H.; Hixson, A.N.,
Pressure-Volume-Temperature Relations of Benzene,
Ind. Eng. Chem., 1947, 39, 1348. [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]
Schamhardt, 1908
Schamhardt,
, Thesis, Amsterdam, 1908. [all data]
Altschul, 1893
Altschul, M.,
The critical values of some organic compounds,
Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1893, 11, 577. [all data]
Young, 1889
Young, S.,
On the Vapor Pressures and SPecific Volumes of Similar Compounds of Elements in Relation to the Position of Those Elements in the Periodic Table,
J. Chem. Soc., Trans., 1889, 55, 486. [all data]
Ramsay, 1881
Ramsay, W.,
Proc. R. Soc. London, 1881, 31, 194-205. [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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