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:
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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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Triple point temperature

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Data compiled by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

T_triple (K)	Reference	Comment
85.47	Younglove and Ely, 1987	Uncertainty assigned by TRC = 0.05 K; TRC
85.47	Goodwin and Haynes, 1982	TRC
85.520	Pavese and Besley, 1981	Crystal phase 1 phase; Uncertainty assigned by TRC = 0.006 K; TRC
81.220	Pavese and Besley, 1981	Metastable crystal phase; Uncertainty assigned by TRC = 0.003 K; TRC
85.47	Goodwin, 1977	Uncertainty assigned by TRC = 0.05 K; TRC
85.45	Kemp and Egan, 1938	Uncertainty assigned by TRC = 0.07 K; extrapolated - 1/F=1, To = 274.10 K; TRC
83.25	Maass and Wright, 1921	Uncertainty assigned by TRC = 0.3 K; TRC

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, Triple point temperature, Notes

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]

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]

Pavese and Besley, 1981
Pavese, F.; Besley, L.M., Triple-point temrerature of propane: measurements on two solid-to-liquid transitions and one solid-to-soliq transition, J. Chem. Thermodyn., 1981, 13, 1095-104. [all data]

Goodwin, 1977
Goodwin, R.D., , Natl. Bur. Stand., [Tech. Rep.] NBSIR (U. S.) 77-860, 1977. [all data]

Kemp and Egan, 1938
Kemp, J.D.; Egan, C.J., Hindered Rotation of the Methyl Groups in Propane. The Heat Capacity, Vapor Pressure, Heats of Fusion and Vaporization of Propane. Entropy and Density of the Gas, J. Am. Chem. Soc., 1938, 60, 1521-5. [all data]

Maass and Wright, 1921
Maass, O.; Wright, C.H., SOME PHYSICAL PROPERTIES OF HYDROCARBONS CONTAINING TWO AND THREE CARBON ATOMS., J. Am. Chem. Soc., 1921, 43, 5, 1098-1111, https://doi.org/10.1021/ja01438a013 . [all data]

Notes

Go To: Top, Triple point temperature, References

Symbols used in this document:

T_triple Triple point temperature
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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