Pentanal
- Formula: C5H10O
- Molecular weight: 86.1323
- IUPAC Standard InChIKey: HGBOYTHUEUWSSQ-UHFFFAOYSA-N
- CAS Registry Number: 110-62-3
- 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: Valeraldehyde; n-Pentanal; n-Valeraldehyde; Valeral; Valerianic aldehyde; Valeric acid aldehyde; Valeric aldehyde; Valeryl aldehyde; n-C4H9CHO; Amyl aldehyde; Butyl formal; UN 2058; n-Valeric aldehyde; 1-Pentanal; Pentan-1-al; NSC 35404; Pentylaldehyde; pentanal (valeraldehyde); valderaldehyde
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Phase change data
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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 376. ± 2. | K | AVG | N/A | Average of 19 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 191.59 | K | N/A | Korkhov, D'yakova, et al., 1983 | DH |
Tfus | 191.59 | K | N/A | Vasil'ev and Petrov, 1984 | Uncertainty assigned by TRC = 0.1 K; TRC |
Tfus | 189.8 | K | N/A | Anonymous, 1958 | Uncertainty assigned by TRC = 1. K; TRC |
Tfus | 181.7 | K | N/A | Simon, 1929 | Uncertainty assigned by TRC = 3. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 568.3 | K | N/A | Anselme and Teja, 1990 | Uncertainty assigned by TRC = 2. K; TRC |
Tc | 566.1 | K | N/A | Teja and Rosenthal, 1990 | Uncertainty assigned by TRC = 0.8 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 39.70 | bar | N/A | Teja and Rosenthal, 1990 | Uncertainty assigned by TRC = 1.00 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 3.19 | mol/l | N/A | Anselme and Teja, 1990 | Uncertainty assigned by TRC = 0.06 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 38.6 | kJ/mol | EB | Antosik, Fras, et al., 2002 | Based on data from 307. to 343. K. See also Verevkin, Krasnykh, et al., 2003.; AC |
ΔvapH° | 38.3 | kJ/mol | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 313. to 353. K.; AC |
ΔvapH° | 38.1 ± 0.1 | kJ/mol | N/A | D'yakova, Korichev, et al., 1981 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
37.3 | 320. | Markovnik, Sachek, et al., 1979 | Based on data from 305. to 377. K.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
15.0 | 151.6 | Vasil'ev and Lebedev, 1998 | AC |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Korkhov, D'yakova, et al., 1983
Korkhov, A.D.; D'yakova, G.N.; Vasil'ev, I.A.,
Heat capacity of pivalaldehyde and valeraldehyde,
Fiz.-khim. Aspekty Razrab. Neftekhim. Protsessov, 1983, M. [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]
Anonymous, 1958
Anonymous, R.,
, Am. Pet. Inst. Res. Proj. 45, Ohio State Univ., 1958. [all data]
Simon, 1929
Simon, I.,
Freezing Temperature of Organic Compounds. XI. Compounds in C5 and C6.,
Bull. Soc. Chim. Belg., 1929, 38, 47-70. [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]
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]
Antosik, Fras, et al., 2002
Antosik, Maria; Fras, Zbigniew; Malanowski, Stanislaw K.,
Vapor-Liquid Equilibrium in 2-Ethoxyethanol + Valeraldehyde and + Propyl Ether at 313.15 to 333.15 K,
J. Chem. Eng. Data, 2002, 47, 4, 757-760, https://doi.org/10.1021/je000275u
. [all data]
Verevkin, Krasnykh, et al., 2003
Verevkin, Sergey P.; Krasnykh, Eugen L.; Vasiltsova, Tatiana V.; Koutek, Bohumir; Doubsky, Jan; Heintz, Andreas,
Vapor pressures and enthalpies of vaporization of a series of the linear aliphatic aldehydes,
Fluid Phase Equilibria, 2003, 206, 1-2, 331-339, https://doi.org/10.1016/S0378-3812(03)00035-9
. [all data]
Chickos, Hosseini, et al., 1995
Chickos, James S.; Hosseini, Sarah; Hesse, Donald G.,
Determination of vaporization enthalpies of simple organic molecules by correlations of changes in gas chromatographic net retention times,
Thermochimica Acta, 1995, 249, 41-62, https://doi.org/10.1016/0040-6031(95)90670-3
. [all data]
D'yakova, Korichev, et al., 1981
D'yakova, G.N.; Korichev, G.L.; Korkhova, A.D.; Vasil'eva, T.F.; Vasil'ev, I.A.,
Zh. Prikl. Khim. (Leningrad), 1981, 54, 1644. [all data]
Markovnik, Sachek, et al., 1979
Markovnik, V.S.; Sachek, A.I.; Peshchenko, A.D.; Shvaro, O.V.; Andreevskii, D.N.; Olizarevich, N.M.,
Termodin. Org. Soedin., 1979, 107. [all data]
Vasil'ev and Lebedev, 1998
Vasil'ev, V.G.; Lebedev, B.V.,
Thermodynamic Properties of Aliphatic Aldehydes and Polyaldehydes: Effect of Composition and Structure,
Polym. Sci., Ser. A, 1998, 40, 5, 464. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point 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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