3-Hexanone
- Formula: C6H12O
- Molecular weight: 100.1589
- IUPAC Standard InChIKey: PFCHFHIRKBAQGU-UHFFFAOYSA-N
- CAS Registry Number: 589-38-8
- 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: Ethyl propyl ketone; Hexan-3-one; n-C3H7COC2H5; Hexanone-(3); Aethylpropylketon; Ethyl n-propyl ketone
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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 | -320.13 ± 0.86 | kJ/mol | Ccb | Harrop, Head, et al., 1970 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -3755.90 ± 0.79 | kJ/mol | Ccb | Harrop, Head, et al., 1970 | Corresponding ΔfHºliquid = -320.14 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 305.3 | J/mol*K | N/A | Andon, Counsell, et al., 1970 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
216.9 | 298.15 | Andon, Counsell, et al., 1970 | T = 10 to 320 K.; DH |
216.3 | 298.15 | Harrop, Head, et al., 1970 | 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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 396. ± 1. | K | AVG | N/A | Average of 22 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 217.48 | K | N/A | Collerson, Counsell, et al., 1965 | Uncertainty assigned by TRC = 0.02 K; TRC |
Tfus | 217.5 | K | N/A | Collerson, Counsell, et al., 1965 | Uncertainty assigned by TRC = 0.01 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 217.72 | K | N/A | Andon, Counsell, et al., 1970, 2 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.05 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 583.2 | K | N/A | Pulliam, Gude, et al., 1994 | Uncertainty assigned by TRC = 0.25 K; by the sealed ampule method; TRC |
Tc | 582.8 | K | N/A | Majer and Svoboda, 1985 | |
Tc | 582.82 | K | N/A | Ambrose, Broderick, et al., 1974 | Uncertainty assigned by TRC = 0.4 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 33.20 | bar | N/A | Ambrose, Broderick, et al., 1974 | Uncertainty assigned by TRC = 0.20 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 2.65 | mol/l | N/A | Pulliam, Gude, et al., 1994 | Uncertainty assigned by TRC = 0.03 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 42. ± 1. | kJ/mol | AVG | N/A | Average of 6 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
35.36 | 396.7 | N/A | Majer and Svoboda, 1985 | |
36.5 | 423. | A | Stephenson and Malanowski, 1987 | Based on data from 408. to 517. K.; AC |
35.4 | 526. | A | Stephenson and Malanowski, 1987 | Based on data from 511. to 583. K.; AC |
38.9 | 363. | A | Stephenson and Malanowski, 1987 | Based on data from 348. to 413. K. See also Ambrose, Ellender, et al., 1975.; AC |
42.2 | 307. | A | Stephenson and Malanowski, 1987 | Based on data from 292. to 406. K. See also Dykyj, 1972.; AC |
38.4 ± 0.1 | 354. | C | Hales, Lees, et al., 1967 | AC |
37.0 ± 0.1 | 374. | C | Hales, Lees, et al., 1967 | AC |
35.4 ± 0.1 | 396. | C | Hales, Lees, et al., 1967 | AC |
38.8 | 364. | GS,EB | Collerson, Counsell, et al., 1965 | Based on data from 349. to 406. K.; AC |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kJ/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | A (kJ/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
298. to 397. | 62.06 | 0.3088 | 582.8 | Majer and Svoboda, 1985 |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference |
---|---|---|---|---|
348.76 to 406.51 | 4.12573 | 1365.798 | -65.143 | Collerson, Counsell, et al., 1965, 2 |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
13.47 | 217.7 | Domalski and Hearing, 1996 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
4.7 | 145. | Domalski and Hearing, 1996 | CAL |
61.89 | 217.7 |
Enthalpy of phase transition
ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
0.682 | 145. | crystaline, II | crystaline, I | Andon, Counsell, et al., 1970 | DH |
13.490 | 217.72 | crystaline, I | liquid | Andon, Counsell, et al., 1970 | DH |
Entropy of phase transition
ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
4.73 | 145. | crystaline, II | crystaline, I | Andon, Counsell, et al., 1970 | DH |
61.98 | 217.72 | crystaline, I | liquid | Andon, Counsell, et al., 1970 | DH |
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.
Harrop, Head, et al., 1970
Harrop, D.; Head, A.J.; Lewis, G.B.,
Thermodynamic properties of organic oxygen compounds. 22. Enthalpies of combustion of some aliphatic ketones,
J. Chem. Thermodyn., 1970, 2, 203-210. [all data]
Andon, Counsell, et al., 1970
Andon, R.J.L.; Counsell, J.F.; Lees, E.B.; Martin, J.F.,
Thermodynamic properties of organic oxygen compounds. Part XXIII. Low-temperature heat capacity and entropy of C6, C7,
and C9 ketones, 1970, J. [all data]
Collerson, Counsell, et al., 1965
Collerson, R.R.; Counsell, J.F.; Handley, R.; Martin, J.F.; Sprake, C.H.S.,
677. Thermodynamic properties of organic oxygen compounds. Part XV. Purification and vapour pressures of some ketones and ethers,
J. Chem. Soc., 1965, 3697, https://doi.org/10.1039/jr9650003697
. [all data]
Andon, Counsell, et al., 1970, 2
Andon, R.J.L.; Counsell, J.F.; Lees, E.B.; Martin, J.F.,
Thermodynamic Properties of Organic Oxygen Compounds Part XXIII. Low- temperature Heat Capacity and Entropy of C6, C7, and C9 Ketones,
J. Chem. Soc. A, 1970, 1970, 833. [all data]
Pulliam, Gude, et al., 1994
Pulliam, M.K.; Gude, M.T.; Teja, A.S.,
The Critical Properties of Twelve Isomeric n-Alkanones with Six to Nine Carbon Atoms,
Experimental Results for DIPPR 1990-91 Projects on Phase Equilibria and Pure Component Properties, 1994, 1994, DIPPR Data Ser. No. 2, p. 184-87. [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]
Ambrose, Broderick, et al., 1974
Ambrose, D.; Broderick, B.E.; Townsend, R.,
The Critical Temperatures and Pressures of Thirty Organic Compounds,
J. Appl. Chem. Biotechnol., 1974, 24, 359. [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]
Ambrose, Ellender, et al., 1975
Ambrose, D.; Ellender, J.H.; Lees, E.B.; Sprake, C.H.S.; Townsend, R.,
Thermodynamic properties of organic oxygen compounds XXXVIII. Vapour pressures of some aliphatic ketones,
The Journal of Chemical Thermodynamics, 1975, 7, 5, 453-472, https://doi.org/10.1016/0021-9614(75)90275-X
. [all data]
Dykyj, 1972
Dykyj, J.,
Petrochemia, 1972, 12, 1, 13. [all data]
Hales, Lees, et al., 1967
Hales, J.L.; Lees, E.B.; Ruxton, D.J.,
Thermodynamic properties of organic oxygen compounds. Part 18.-Vapour heat capacities and heats of vaporization of ethyl ketone, ethyl propyl ketone, methyl isopropyl ketone, and methyl phenyl ether,
Trans. Faraday Soc., 1967, 63, 1876. [all data]
Collerson, Counsell, et al., 1965, 2
Collerson, R.R.; Counsell, J.F.; Handley, R.; Martin, J.F.; Sprake, C.H.S.,
Thermodynamic Properties of Organic Oxygen Compounds. Part XV. Purification and Vapour Pressures of Some Ketones and Ethers,
J. Chem. Soc., 1965, 3697-3700, https://doi.org/10.1039/jr9650003697
. [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 ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy 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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