4-Heptanone
- Formula: C7H14O
- Molecular weight: 114.1855
- IUPAC Standard InChIKey: HCFAJYNVAYBARA-UHFFFAOYSA-N
- CAS Registry Number: 123-19-3
- 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: Butyrone; Dipropyl ketone; GBL; Propyl ketone; (n-C3H7)2CO; Heptan-4-one; Di-n-propyl ketone; UN 2710; NSC 8692
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Phase change data
Go To: Top, IR Spectrum, Mass spectrum (electron ionization), 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
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 417. ± 3. | K | AVG | N/A | Average of 30 out of 31 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 240.7 | K | N/A | Timmermans, 1927 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 240.6 | K | N/A | Timmermans, 1921 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 602.0 | K | N/A | Pulliam, Gude, et al., 1994 | Uncertainty assigned by TRC = 0.2 K; by the sealed ampule method; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 2.30 | 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° | 47.8 | kJ/mol | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 343. to 383. K.; AC |
ΔvapH° | 46.2 ± 0.4 | kJ/mol | GCC | Saluja, Peacock, et al., 1979 | AC |
ΔvapH° | 46.7 | kJ/mol | N/A | Ambrose, Ellender, et al., 1975 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
45.5 | 319. | A | Stephenson and Malanowski, 1987 | Based on data from 304. to 490. K. See also Ambrose, Ellender, et al., 1975.; AC |
57.5 | 311. | A | Stephenson and Malanowski, 1987 | Based on data from 296. to 417. K. See also Stull, 1947.; AC |
40.7 | 303. | N/A | Rintelen, Saylor, et al., 1937 | Based on data from 283. to 323. K.; AC |
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 | Comment |
---|---|---|---|---|---|
296. to 416.9 | 5.94977 | 2199.856 | -46.879 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
17.53 | 236. | Fiege, Joh, et al., 1996 | AC |
16.16 | 240.2 | Fiege, Joh, et al., 1996 | AC |
IR Spectrum
Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes
Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
Go To: Top, Phase change data, IR Spectrum, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-4187 |
NIST MS number | 227872 |
References
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Timmermans, 1927
Timmermans, J.,
The Melting Point of Organic Substances,
Bull. Soc. Chim. Belg., 1927, 36, 502. [all data]
Timmermans, 1921
Timmermans, J.,
The Freezing Points of Organic Substances IV. New Exp. Determinations,
Bull. Soc. Chim. Belg., 1921, 30, 62. [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]
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]
Saluja, Peacock, et al., 1979
Saluja, P.P.S.; Peacock, L.A.; Fuchs, R.,
Enthalpies of interaction of aliphatic ketones with polar and nonpolar solvents,
J. Am. Chem. Soc., 1979, 101, 1958-1962. [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]
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]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Rintelen, Saylor, et al., 1937
Rintelen, J.C.; Saylor, J.H.; Gross, P.M.,
The Densities and Vapor Pressures of Some Alkylbenzenes, Aliphatic Ketones and n-Amyl Chloride 1,
J. Am. Chem. Soc., 1937, 59, 6, 1129-1130, https://doi.org/10.1021/ja01285a050
. [all data]
Fiege, Joh, et al., 1996
Fiege, C.; Joh, R.; Petri, M.; Gmehling, J.,
Solid-Liquid Equilibria for Different Heptanones with Benzene, Cyclohexane, and Ethanol,
J. Chem. Eng. Data, 1996, 41, 6, 1431-1433, https://doi.org/10.1021/je960140h
. [all data]
Notes
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.