Methyl Isobutyl Ketone
- Formula: C6H12O
- Molecular weight: 100.1589
- IUPAC Standard InChIKey: NTIZESTWPVYFNL-UHFFFAOYSA-N
- CAS Registry Number: 108-10-1
- 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. - Isotopologues:
- Other names: 2-Pentanone, 4-methyl-; Hexone; Isobutyl methyl ketone; Isopropylacetone; MIBK; MIK; 2-Methyl-4-pentanone; 2-Methylpropyl methyl ketone; 4-Methyl-2-oxopentane; 4-Methyl-2-pentanone; iso-C4H9COCH3; 4-Methylpentan-2-one; Hexon; Isobutyl-methylketon; Ketone, isobutyl methyl; Methyl-isobutyl-cetone; Methylisobutylketon; Metilisobutilchetone; Metyloizobutyloketon; 4-Methyl-pentan-2-on; 4-Methyl-2-pentanon; 4-Metilpentan-2-one; Rcra waste number U161; Shell MIBK; UN 1245; ethyl iso-butyl ketone; 2-Methyl-4-pentanal; Methyl-2-pentanon,4-; Methyl i-butyl ketone; NSC 5712; 4-methyl-2-pentanone (MIBK; methyl isobutyl ketone)
- 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.
Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Henry's Law 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
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -291.2 ± 1.4 | kJ/mol | Ccb | Dubois and Herzog, 1972 | ALS |
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
180.50 ± 0.27 | 394.30 | von Geiseler G., 1973 | GT |
182.26 ± 0.27 | 399.44 | ||
184.31 ± 0.28 | 405.15 | ||
186.06 ± 0.28 | 410.70 | ||
187.90 ± 0.28 | 415.75 |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Henry's Law 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:
DH - Eugene S. Domalski and Elizabeth D. Hearing
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | -381.5 | kJ/mol | Ccb | Tavernier and Lamouroux, 1956 | Author's hf298_condensed=-94.26 kcal/mol; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -3694.6 | kJ/mol | Ccb | Tavernier and Lamouroux, 1956 | Author's hf298_condensed=-94.26 kcal/mol; Corresponding ΔfHºsolid = -381.5 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
211.9 | 298.15 | Vesely, Barcal, et al., 1989 | T = 298.15 to 318.15 K.; DH |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Henry's Law 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C8H18O2 + H2O = C6H12O + 2CH4O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.74 ± 0.054 | kJ/mol | Cm | Wiberg and Squires, 1979 | liquid phase |
Henry's Law data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction 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 by: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference | Comment |
---|---|---|---|---|
2.2 | 170. | X | N/A | |
2.6 to 5.2 | X | Howe, Mullins, et al., 1987 | Value given here as quoted by missing citation. |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Henry's Law data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Dubois and Herzog, 1972
Dubois, J.-E.; Herzog, H.,
Heats of formation of aliphatic ketones: Structure correlation based on environment treatment,
J. Chem. Soc. Chem. Commun., 1972, 932-933. [all data]
von Geiseler G., 1973
von Geiseler G.,
The heat capacity and the heat of vaporization of isomeric butylmethylketones and propylacetates,
Z. Phys. Chem. (Leipzig), 1973, 252, 170-176. [all data]
Tavernier and Lamouroux, 1956
Tavernier, P.; Lamouroux, M.,
Determinations calorimetriques relatives a vingt-six substances organiques,
Mem. Poudres, 1956, 38, 65-88. [all data]
Vesely, Barcal, et al., 1989
Vesely, F.; Barcal, P.; Zabransky, M.; Svoboda, V.,
Heat capacities of 4-methyl-2-pentanone, 2,6-dimethyl-4-heptanone, 1-hexanol, 1-heptanol, and 1-octanol in the temperature range 298-318 K,
Collect. Czech. Chem. Commun., 1989, 54, 602-607. [all data]
Wiberg and Squires, 1979
Wiberg, K.B.; Squires, R.R.,
Thermodynamics of hydrolysis aliphatic ketals. An entropy component of steric effects,
J. Am. Chem. Soc., 1979, 101, 5512-5515. [all data]
Howe, Mullins, et al., 1987
Howe, G.B.; Mullins, M.E.; Rogers, T.N.,
, Evaluation and Prediction of Henry's Law Constants and Aqueous Sol. for Solvents and Hydrocarbon Fuel Comp. NTIS Rep. ELS-86-66, 1987. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Henry's Law data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Cp,liquid Constant pressure heat capacity of liquid d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - 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.