3-Pentanone, 2-methyl-
- Formula: C6H12O
- Molecular weight: 100.1589
- IUPAC Standard InChIKey: HYTRYEXINDDXJK-UHFFFAOYSA-N
- CAS Registry Number: 565-69-5
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Ethyl isopropyl ketone; Isopropyl ethyl ketone; 2-Methyl-3-pentanone; 4-Methyl-3-pentanone; iso-C3H7COC2H5; 2-Methyl-3-pentanal; 2-Methylpentan-3-one
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Phase change data
Go To: Top, 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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 388. ± 3. | K | AVG | N/A | Average of 20 out of 21 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 40.5 | kJ/mol | N/A | Ambrose, Ellender, et al., 1975 | Based on data from 280. to 452. K.; AC |
ΔvapH° | 39.79 ± 0.22 | kJ/mol | C | Seller, 1970 | ALS |
ΔvapH° | 39.8 ± 0.2 | kJ/mol | C | Seller, 1970 | AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
43.4 | 315. | A | Stephenson and Malanowski, 1987 | Based on data from 300. to 387. K.; AC |
41.0 | 295. | A | Stephenson and Malanowski, 1987 | Based on data from 280. to 387. K.; AC |
36.2 | 392. | A | Stephenson and Malanowski, 1987 | Based on data from 377. to 450. K.; AC |
Mass spectrum (electron ionization)
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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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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-9734 |
NIST MS number | 239347 |
References
Go To: Top, Phase change data, 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.
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]
Seller, 1970
Seller, P.,
Enthalpies of formation of some aliphatic branched ketones,
J. Chem. Thermodyn., 1970, 2, 211-219. [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]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tboil Boiling point ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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