Propanal
- Formula: C3H6O
- Molecular weight: 58.0791
- IUPAC Standard InChIKey: NBBJYMSMWIIQGU-UHFFFAOYSA-N
- CAS Registry Number: 123-38-6
- 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. - Other names: Propionaldehyde; Methylacetaldehyde; Propaldehyde; Propional; Propionic aldehyde; Propylaldehyde; Propylic aldehyde; C2H5CHO; n-Propionaldehyde; Propanalaldehyde; n-Propanal; Aldehyde propionique; Propanaldehyde; NCI-C61029; UN 1275; 1-Propanone; 1-Propanal; Proprionaldehyde; NSC 6493
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Condensed phase thermochemistry data
Go To: Top, Phase change data, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -52.18 ± 0.15 | kcal/mol | Cm | Wiberg, Crocker, et al., 1991 | Heat of hydrogenation; ALS |
ΔfH°liquid | -51.55 ± 0.36 | kcal/mol | Eqk | Connett, 1972 | At 473-524 K; ALS |
ΔfH°liquid | -52.64 ± 0.23 | kcal/mol | Chyd | Buckley and Cox, 1967 | ALS |
ΔfH°liquid | -52.95 ± 0.18 | kcal/mol | Ccb | Tjebbes, 1962 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -434.16 ± 0.18 | kcal/mol | Ccb | Tjebbes, 1962 | Corresponding ΔfHºliquid = -52.94 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 50.88 | cal/mol*K | N/A | Korkhov and Vasil'ev, 1977 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
38.03 | 298.15 | Korkhov and Vasil'ev, 1977 | T = 15 to 335 K.; DH |
32.19 | 298. | von Reis, 1881 | T = 288 to 328 K.; DH |
Phase change data
Go To: Top, Condensed phase thermochemistry data, 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 322. ± 2. | K | AVG | N/A | Average of 38 out of 40 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 180. ± 20. | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 171.32 | K | N/A | Vasil'ev and Petrov, 1984 | Uncertainty assigned by TRC = 0.01 K; TRC |
Ttriple | 171.15 | K | N/A | Korkhov and Vasil'ev, 1977, 2 | Uncertainty assigned by TRC = 0.1 K; TRC |
Ttriple | 171.32 | K | N/A | Korkhov and Vasil'ev, 1977, 2 | Uncertainty assigned by TRC = 0.05 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 600. ± 200. | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 51.91 | atm | N/A | Gude and Teja, 1994 | Uncertainty assigned by TRC = 0.59 atm; by the flow method; TRC |
Pc | 52.01 | atm | N/A | Gude and Teja, 1994 | Uncertainty assigned by TRC = 0.987 atm; by sealed ampule; TRC |
Pc | 52.01 | atm | N/A | Teja and Rosenthal, 1990 | Uncertainty assigned by TRC = 0.987 atm; TRC |
Pc | 67.8000 | atm | N/A | Bougard and Jadot, 1977 | source of data not clear; TRC |
Pc | 67.8000 | atm | N/A | Svoboda, Vesely, et al., 1977 | Uncertainty assigned by TRC = 2.000 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 4.91 | mol/l | N/A | Anselme and Teja, 1990 | Uncertainty assigned by TRC = 0.09 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 7.10 ± 0.07 | kcal/mol | AVG | N/A | Average of 11 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
6.766 | 321.1 | N/A | Majer and Svoboda, 1985 | |
6.7686 | 321.08 | N/A | Korkhov and Vasil'ev, 1977 | DH |
7.24 | 305. | A | Stephenson and Malanowski, 1987 | Based on data from 290. to 322. K. See also Dykyj, 1970.; AC |
7.62 | 265. | EB | Stephenson and Malanowski, 1987 | Based on data from 250. to 330. K. See also Smith and Bonner, 1951.; AC |
7.53 | 278. | N/A | Kim and Kim, 1977 | Based on data from 263. to 373. K.; AC |
7.29 | 301. | N/A | Ambrose and Sprake, 1974 | Based on data from 286. to 321. K.; AC |
6.76 | 321. | N/A | Counsell and Lee, 1972 | AC |
7.03 | 303. | N/A | Counsell and Lee, 1972 | AC |
7.24 | 286. | N/A | Counsell and Lee, 1972 | AC |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kcal/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | A (kcal/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
286. to 321. | 10.63 | 0.2676 | 496.2 | Majer and Svoboda, 1985 |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.053 | 171.32 | Korkhov and Vasil'ev, 1977 | DH |
2.05 | 171.3 | Domalski and Hearing, 1996 | AC |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Wiberg, Crocker, et al., 1991
Wiberg, K.B.; Crocker, L.S.; Morgan, K.M.,
Thermochemical studies of carbonyl compounds. 5. Enthalpies of reduction of carbonyl groups,
J. Am. Chem. Soc., 1991, 113, 3447-3450. [all data]
Connett, 1972
Connett, J.E.,
Chemical equilibria. 5. Measurement of equilibrium constants for the dehydrogenation of propanol by a vapour flow technique,
J. Chem. Thermodyn., 1972, 4, 233-237. [all data]
Buckley and Cox, 1967
Buckley, E.; Cox, J.D.,
Chemical equilibria. Part 2.-Dehydrogenation of propanol and butanol,
Trans. Faraday Soc., 1967, 63, 895-901. [all data]
Tjebbes, 1962
Tjebbes, J.,
Heats of combustion of propanal and 2-methyl propanal,
Acta Chem. Scand., 1962, 16, 953-857. [all data]
Korkhov and Vasil'ev, 1977
Korkhov, A.D.; Vasil'ev, I.A.,
Heat capacity and thermodynamic functions of propanal at low temperatures,
Termodin. Org. Soedin., 1977, (6), 34-37. [all data]
von Reis, 1881
von Reis, M.A.,
Die specifische Wärme flüssiger organischer Verbindungen und ihre Beziehung zu deren Moleculargewicht,
Ann. Physik [3], 1881, 13, 447-464. [all data]
Vasil'ev and Petrov, 1984
Vasil'ev, I.A.; Petrov, V.M.,
Thermodynamic Properties of Oxygen-containing Organic Compounds, Handbook, Soedinenii: Khimya, Leningrad, p 240, 1984. [all data]
Korkhov and Vasil'ev, 1977, 2
Korkhov, A.D.; Vasil'ev, I.A.,
Heat capacity and thermodynamic functions of propionaldehyde at low temperatures.,
Termodin. Org. Soedin., 1977, No. 6, 34. [all data]
Gude and Teja, 1994
Gude, M.T.; Teja, A.S.,
The Critical Properties of Several n-Alkanals, Tetralin and NMP,
Experimental Results for DIPPR 1990-91 Projects on Phase Equilibria and Pure Component Properties, 1994, 1994, DIPPR Data Series No. 2, p.174-83. [all data]
Teja and Rosenthal, 1990
Teja, A.S.; Rosenthal, D.J.,
The Critical Pressures and Temperatures of Twelve Substances Using A Low Residence Time Flow Apparatus,
AIChE Symp. Ser., 1990, 86, 279, 133-7. [all data]
Bougard and Jadot, 1977
Bougard, J.; Jadot, R.,
Isothermal Vapor-Liquid Equilibria for the System 1,2-Dichloropropane- Propanal,
J. Chem. Eng. Data, 1977, 22, 88. [all data]
Svoboda, Vesely, et al., 1977
Svoboda, V.; Vesely, F.; Holub, R.; Pick, J.,
Heats of vaporization of alkyl acetates and propionates,
Collect. Czech. Chem. Commun., 1977, 42, 943-51. [all data]
Anselme and Teja, 1990
Anselme, M.J.; Teja, A.S.,
The critical properties of rapidly reacting substances,
AIChE Symp. Ser., 1990, 86, 279, 128-32. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Dykyj, 1970
Dykyj, J.,
Petrochemica, 1970, 10, 2, 51. [all data]
Smith and Bonner, 1951
Smith, Thomas E.; Bonner, Robert F.,
Acetaldehyde, Propionaldehyde, and n-Butyraldehyde,
Ind. Eng. Chem., 1951, 43, 5, 1169-1173, https://doi.org/10.1021/ie50497a049
. [all data]
Kim and Kim, 1977
Kim, B.C.; Kim, D.H.,
Hwahak Kwa Hwahak Kongop, 1977, 20, 232. [all data]
Ambrose and Sprake, 1974
Ambrose, D.; Sprake, C.H.S.,
Thermodynamic properties of organic oxygen compounds 32. Vapour pressure and second virial coefficient of propanal,
The Journal of Chemical Thermodynamics, 1974, 6, 5, 453-456, https://doi.org/10.1016/0021-9614(74)90006-8
. [all data]
Counsell and Lee, 1972
Counsell, J.F.; Lee, D.A.,
Thermodynamic properties of organic oxygen compounds 30. Vapour heat capacity and enthalpy of vaporization of propanal,
The Journal of Chemical Thermodynamics, 1972, 4, 6, 915-917, https://doi.org/10.1016/0021-9614(72)90013-4
. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Pc Critical pressure S°liquid Entropy of liquid at standard conditions Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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