Propane

Formula: C₃H₈
Molecular weight: 44.0956
IUPAC Standard InChI: InChI=1S/C3H8/c1-3-2/h3H2,1-2H3
IUPAC Standard InChIKey: ATUOYWHBWRKTHZ-UHFFFAOYSA-N
CAS Registry Number: 74-98-6
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: n-Propane; Dimethylmethane; Freon 290; Liquefied petroleum gas; LPG; Propyl hydride; R 290; C3H8; UN 1978; A-108; Hydrocarbon propellant A-108; HC 290
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Critical pressure

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Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

P_c (bar)	Reference	Comment
42.5 ± 0.1	Ambrose and Tsonopoulos, 1995
42.44	Holcomb, Magee, et al., 1995	Uncertainty assigned by TRC = 0.05 bar; TRC
45.79	Ohgaki, Umezono, et al., 1990	Uncertainty assigned by TRC = 0.20 bar; TRC; Data excluded from overall average
42.475	Sychev, Vasserman, et al., 1989	Uncertainty assigned by TRC = 0.10 bar; TRC
42.50	Teja, Lee, et al., 1989	TRC
42.60	Brunner, 1988	Uncertainty assigned by TRC = 0.05 bar; Visual, optical cell 30cm high. P transducer cal. vs PB.; TRC
42.4766	Younglove and Ely, 1987	Uncertainty assigned by TRC = 0.001 bar; TRC
42.43	Brunner, 1985	Uncertainty assigned by TRC = 0.10 bar; TRC
42.60	Barber, Kay, et al., 1982	Uncertainty assigned by TRC = 0.20 bar; TRC
42.4746	Goodwin and Haynes, 1982	TRC
42.4709	Thomas and Harrison, 1982	Uncertainty assigned by TRC = 0.02 bar; TRC
42.39	Kratzke, 1980	Uncertainty assigned by TRC = 0.0042 bar; VP (measured up to 367.583 K),PRT,PP, static in metal cell.; TRC
42.4204	Goodwin, 1977	TRC
42.53730	Mousa, 1977	Uncertainty assigned by TRC = 0.0344 bar; TRC
42.55	Kay and Young, 1974	Uncertainty assigned by TRC = 0.02 bar; TRC
42.55	Kay and Young, 1974, 2	Uncertainty assigned by TRC = 0.02 bar; TRC
42.61	Kay and Young, 1974, 3	Uncertainty assigned by TRC = 0.02 bar; TRC
42.61	Kay and Young, 1974, 4	Uncertainty assigned by TRC = 0.02 bar; TRC
42.61	Kay and Young, 1974, 5	Uncertainty assigned by TRC = 0.02 bar; TRC
42.537	Mousa, Kay, et al., 1972	Uncertainty assigned by TRC = 0.0344 bar; TRC
42.6025	Kreglewski and Kay, 1969	Uncertainty assigned by TRC = 0.2068 bar; TRC
42.60	Kay, 1964	Uncertainty assigned by TRC = 0.5066 bar; TRC
42.49	Clegg and Rowlinson, 1955	Uncertainty assigned by TRC = 0.1013 bar; TRC
42.49	Kay and Rambosek, 1953	Uncertainty assigned by TRC = 0.2068 bar; TRC
43.50	Kreglewski, 1953	Uncertainty assigned by TRC = 1.0132 bar; TRC; Data excluded from overall average
43.90	Scheeline and Gilliland, 1939	Uncertainty assigned by TRC = 2.068 bar; TRC; Data excluded from overall average
42.5666	Beattie, Poffenberger, et al., 1935	Uncertainty assigned by TRC = 0.0506 bar; TRC
44.35	Sage, Schaafsma, et al., 1934	Uncertainty assigned by TRC = 0.5515 bar; TRC; Data excluded from overall average
46.00	Lebeau, 1905	Uncertainty assigned by TRC = 4.053 bar; TRC; Data excluded from overall average
42.5565	Kuenen, 1903	Uncertainty assigned by TRC = 0.5066 bar; TRC
44.60	Olszewski, 1895	Uncertainty assigned by TRC = 2.0265 bar; TRC; Data excluded from overall average
49.10	Hainlen, 1894	Uncertainty assigned by TRC = 6.0795 bar; TRC; Data excluded from overall average

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:

References

Go To: Top, Critical pressure, Notes

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]

Holcomb, Magee, et al., 1995
Holcomb, C.D.; Magee, J.W.; Haynes, W.M., Density Measurements on Natural Gas Liquids, Research Report RR-147, Gas Processors Association Project 916, 1995. [all data]

Ohgaki, Umezono, et al., 1990
Ohgaki, K.; Umezono, S.; Katayama, T., Pressure-density-temperature (p-ρ-T) relations of fluoroform, nitrous oxide, and propene in the critical region, J. Supercrit. Fluids, 1990, 3, 78-84. [all data]

Sychev, Vasserman, et al., 1989
Sychev, V.V.; Vasserman, A.A.; Kozlov, A.D.; Tsymarny, V.A., Thermodynamic Properties of Propane, Standards Publishing House, 1989. [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]

Younglove and Ely, 1987
Younglove, B.A.; Ely, J.F., Thermophysical Properties of Fluids II. Methane, Ethane, Propane, Isobutane, and Normal Butane, J. Phys. Chem. Ref. Data, 1987, 16, 577. [all data]

Brunner, 1985
Brunner, E., Fluid mixtures at high pressures II. Phase separation and critical phenomena of (ethane + an n-alkanol) and of (ethene + methanol) and (propane + methanol), J. Chem. Thermodyn., 1985, 17, 871. [all data]

Barber, Kay, et al., 1982
Barber, J.R.; Kay, W.B.; Teja, A.S., A study of the volumetric and phase behavior of binary systems: part I. critical properties of propane + perfluorocyclobutane mixtures., AIChE J., 1982, 28, 134-8. [all data]

Goodwin and Haynes, 1982
Goodwin, R.D.; Haynes, W.M., Thermophysical Properties of Propane from 85 to 700 K at Pressures to 70 MPa, NBS Monogr. (U. S.) No. 170, 249 pp., 1982. [all data]

Thomas and Harrison, 1982
Thomas, R.H.P.; Harrison, R.H., Pressure-Volume-Temperature Relations of Propane, J. Chem. Eng. Data, 1982, 27, 1-11. [all data]

Kratzke, 1980
Kratzke, H., Thermodynamic quantities for propane. 1. The vapour pressure of liquid propane, J. Chem. Thermodyn., 1980, 12, 305-9. [all data]

Goodwin, 1977
Goodwin, R.D., , Natl. Bur. Stand., [Tech. Rep.] NBSIR (U. S.) 77-860, 1977. [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, 1974
Kay, W.B.; Young, C.L., Int. DATA Ser., Sel. Data Mixtures, Ser. A, 1974, No. 2, 154. [all data]

Kay and Young, 1974, 2
Kay, W.B.; Young, C.L., Int. DATA Ser., Sel. Data Mixtures, Ser. A, 1974, No. 2, 158. [all data]

Kay and Young, 1974, 3
Kay, W.B.; Young, C.L., Int. DATA Ser., Sel. Data Mixtures, Ser. A, 1974, No. 3, 192. [all data]

Kay and Young, 1974, 4
Kay, W.B.; Young, C.L., Int. DATA Ser., Sel. Data Mixtures, Ser. A, 1974, No. 3, 194. [all data]

Kay and Young, 1974, 5
Kay, W.B.; Young, C.L., Int. DATA Ser., Sel. Data Mixtures, Ser. A, 1974, No. 3, 196. [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]

Kreglewski and Kay, 1969
Kreglewski, A.; Kay, W.B., The Critical Constants of Conformal Mixtures, J. Phys. Chem., 1969, 73, 3359. [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]

Clegg and Rowlinson, 1955
Clegg, H.P.; Rowlinson, J.S., Physical Properties of Some Fluorine Compounds and Their Solutions II. Part 2. The System Sulfur Hexafluoride + Propane, Trans. Faraday Soc., 1955, 51, 1333-40. [all data]

Kay and Rambosek, 1953
Kay, W.B.; Rambosek, G.M., Liquid-Vapor Equilibrium Relations in Binary Systems. Propane-Hydrogen Sulfide Systems, Ind. Eng. Chem., 1953, 45, 221-6. [all data]

Kreglewski, 1953
Kreglewski, A., The Pre- and Post-critical Region of One-component Systems VI. Isotherms and Isochores of Propane, Rocz. Chem., 1953, 27, 125-33. [all data]

Scheeline and Gilliland, 1939
Scheeline, H.W.; Gilliland, E.R., Vapor-Liquid Equilibrium in the System Propane-Isobutylene, Ind. Eng. Chem., 1939, 31, 1050. [all data]

Beattie, Poffenberger, et al., 1935
Beattie, J.A.; Poffenberger, N.; Hadlock, C., The Critical Constants of Propane, J. Chem. Phys., 1935, 3, 96. [all data]

Sage, Schaafsma, et al., 1934
Sage, B.H.; Schaafsma, J.G.; Lacey, W.N., Phase Equilibria in Hydrocarbon Systems: Pressure-Volume-Temperature Relations and Thermal Properties of Propane, Ind. Eng. Chem., 1934, 26, 1218-24. [all data]

Lebeau, 1905
Lebeau, P., Bull. Soc. Chim. Fr., 1905, 33, 1137. [all data]

Kuenen, 1903
Kuenen, J.P., On the Mutual Solubility of Liquids, Philos. Mag., 1903, 6, 637. [all data]

Olszewski, 1895
Olszewski, K., On the liquefaction of gases, Philos. Mag., 1895, 39, 188. [all data]

Hainlen, 1894
Hainlen, A., Propane and Ethane in the Liquid State., Justus Liebigs Ann. Chem., 1894, 282, 229-45. [all data]

Notes

Go To: Top, Critical pressure, References

Symbols used in this document:

P_c Critical pressure
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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