Cyclohexanone, 2-methyl-

• Formula: C₇H₁₂O
• Molecular weight: 112.1696
• IUPAC Standard InChI: InChI=1S/C7H12O/c1-6-4-2-3-5-7(6)8/h6H,2-5H2,1H3 Copy

  
• IUPAC Standard InChIKey: LFSAPCRASZRSKS-UHFFFAOYSA-N Copy
• CAS Registry Number: 583-60-8
• 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.
• Species with the same structure:
  • Cyclohexanone, 2-methyl-, (.+/-.)-
• Other names: α-Methylcyclohexanone; 2-Methyl-1-cyclohexanone; 2-Methylcyclohexanone; o-Methylcyclohexanone; 2-Methyl-cyclohexanon; 2-Metilcicloesanone
• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas Chromatography
• Options:
  • Switch to calorie-based units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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.

Condensed phase thermochemistry data

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, 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 by: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

Phase change data

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

Reaction thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, 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 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: C₇H₁₄O = H₂ + C₇H₁₂O

=  + 

By formula: C₇H₁₄O = H₂ + C₇H₁₂O

 +  =

By formula: H₂ + C₇H₁₂O = C₇H₁₄O

Gas phase ion energetics data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, 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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess

View reactions leading to C₇H₁₂O⁺ (ion structure unspecified)

Electron affinity determinations

Ionization energy determinations

IR Spectrum

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

For Zoom

1.) Enter the desired X axis range (e.g., 100, 200)

2.) Check here for automatic Y scaling

3.) Press here to zoom

Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

Mass spectrum (electron ionization)

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics 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.

For Zoom

1.) Enter the desired X axis range (e.g., 100, 200)

2.) Check here for automatic Y scaling

3.) Press here to zoom

Additional Data

References

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics 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.

Herz and Bloch, 1924
Herz, W.; Bloch, W., Physikalisch-chemische Untersuchungen an Verbindungen der Cyklohexanreihe, Z. Phys. Chem., 1924, 110, 23-39. [all data]

CruzBurguet, Monton, et al., 1993
CruzBurguet, M.; Monton, J.B.; Sancho-Tello, M.; Vazquez, M.I., Vapor-liquid equilibria of cyclohexanone + cyclohexanol and cyclohexanone + 2-methylcyclohexanone systems at 4.00 and 26.66 kPa, J. Chem. Eng. Data, 1993, 38, 328-31. [all data]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

White and Bishop, 1940
White, A.H.; Bishop, W.S., Dielectric Evidence of Molecular Rotation in the Crystals of Certain Non-aromatic Compounds, J. Am. Chem. Soc., 1940, 62, 8-16. [all data]

Cowan, Jeffery, et al., 1939
Cowan, D.M.; Jeffery, G.H.; Vogel, A.I., Physical properties and chemical constitution. Part 4. Methylcyclohexane and the multiplanar structure of the methylcyclohexane ring., J. Chem. Soc., 1939, 1939, 1862-5. [all data]

Zelinskii, 1897
Zelinskii, N.D., Experiments in the Hexamethylene Series, Ber. Dtsch. Chem. Ges., 1897, 30, 387-91. [all data]

Plate, Liberman, et al., 1953
Plate, A.F.; Liberman, A.L.; Momma, N.A., Preparation of 1,2-Dialkylcycloanes. Synthesis of Stereoisomeric 1-Methyl-2-butylcyclopentanes, Izv. Akad. Nauk SSSR, 1953, 1953, 689. [all data]

Timmermans, 1952
Timmermans, J., Freezing points of organic compounds. VVI New determinations., Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]

Palczewska-Tulinska and Oracz, 2006
Palczewska-Tulinska, Marcela; Oracz, Pawel, Vapor Pressures of Hexanal, 2-Methylcyclohexanone, and 2-Cyclohexen-1-one, J. Chem. Eng. Data, 2006, 51, 2, 639-641, https://doi.org/10.1021/je0504358 . [all data]

Cruz Burguet, Monton, et al., 1993
Cruz Burguet, M.; Monton, Juan B.; Sanchotello, Margarita; Vazquez, M. Isabel, Vapor-liquid equilibria of cyclohexanone + cyclohexanol and cyclohexanone + 2-methylcyclohexanone systems at 4.00 and 26.66 kPa, J. Chem. Eng. Data, 1993, 38, 2, 328-331, https://doi.org/10.1021/je00010a037 . [all data]

Fedoseenko, Yursha, et al., 1983
Fedoseenko, V.I.; Yursha, I.A.; Kabo, G.Ya., Equilibrium and thermodynamics of cyclohexanol dehydrogenation reactions, Dokl. Akad. Nauk BSSR, 1983, 27, 926-929. [all data]

Dokuchaeva, Sibarov, et al., 1981
Dokuchaeva, T.G.; Sibarov, d.A.; Timofeev, V.F.; Proskuryakov, V.A., Kinetics of the dehydrogenation of 2-methylcyclohexanol to 2-methylcyclohexanone over a platinum catalyst, J. Appl. Chem. USSR, 1981, 54, 1140-1146. [all data]

Hammer, Diri, et al., 2003
Hammer, N.I.; Diri, K.; Jordan, K.D.; Desfrancois, C.; Compton, R.N., Dipole-bound anions of carbonyl, nitrile, and sulfoxide containing molecules, J. Chem. Phys., 2003, 119, 7, 3650-3660, https://doi.org/10.1063/1.1590959 . [all data]

Loudet, Grimaud, et al., 1976
Loudet, M.; Grimaud, M.; Metras, F.; Pfister-Guillouzo, G., Interactions intramoleculaires en serie cyclohexanique partie II. Spectres photoelectroniques de chloro-2-cyclohexanones, J. Mol. Struct., 1976, 35, 213. [all data]

Fortin, Forest, et al., 1973
Fortin, C.J.; Forest, M.; Vaziri, C.; Gravel, D.; Rousseau, Y., Spectrometrie de masse des cyclohexanones gem-diphenylees. I. Localisation de la charge positive, Can. J. Chem., 1973, 51, 3445. [all data]

Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  Cp,liquid	Constant pressure heat capacity of liquid
  EA	Electron affinity
  Tboil	Boiling point
  Tfus	Fusion (melting) point
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization 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.