Benzyl methyl ketone
- Formula: C9H10O
- Molecular weight: 134.1751
- IUPAC Standard InChIKey: QCCDLTOVEPVEJK-UHFFFAOYSA-N
- CAS Registry Number: 103-79-7
- 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: 2-Propanone, 1-phenyl-; Methyl benzyl ketone; Phenyl-2-propanone; Phenylacetone; 1-Phenyl-2-propanone; 3-Phenyl-2-propanone; α-Phenylacetone; Phenylmethyl methyl ketone; P2P; NSC 9827; 1-Phenylpropan-2-one; Fenproporex-M (desamino-oxo-); benzylmethylketon
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Gas phase thermochemistry data
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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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -22.62 | kcal/mol | Ccb | Nicholson, Szwarc, et al., 1954 | |
ΔfH°gas | -22.62 | kcal/mol | Ccb | Nicholson, Szwarc, et al., 1954 |
Condensed phase thermochemistry data
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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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -36.30 ± 0.41 | kcal/mol | Ccb | Nicholson, Szwarc, et al., 1954 | Reanalyzed by Cox and Pilcher, 1970, Original value = -36.40 kcal/mol |
ΔfH°liquid | -36.40 | kcal/mol | Ccb | Nicholson, Szwarc, et al., 1954 | |
ΔfH°liquid | -38.85 ± 0.30 | kcal/mol | Ccb | Parks, Manchester, et al., 1954 | Reanalyzed by Cox and Pilcher, 1970, Original value = -38.96 ± 0.30 kcal/mol |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1151.73 ± 0.40 | kcal/mol | Ccb | Nicholson, Szwarc, et al., 1954 | Reanalyzed by Cox and Pilcher, 1970, Original value = -1151.7 ± 0.4 kcal/mol; Corresponding ΔfHºliquid = -36.31 kcal/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°liquid | -1151.65 ± 0.40 | kcal/mol | Ccb | Nicholson, Szwarc, et al., 1954 | Corresponding ΔfHºliquid = -36.39 kcal/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°liquid | -1149.18 ± 0.28 | kcal/mol | Ccb | Parks, Manchester, et al., 1954 | Reanalyzed by Cox and Pilcher, 1970, Original value = -1149.09 kcal/mol; Corresponding ΔfHºliquid = -38.86 kcal/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°liquid | -1151.6 ± 0.6 | kcal/mol | Ccb | Springall and White, 1954 | Corresponding ΔfHºliquid = -36.4 kcal/mol (simple calculation by NIST; no Washburn corrections) |
Phase change data
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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 | 489.7 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 257.8 | K | N/A | Timmermans, 1922 | Uncertainty assigned by TRC = 0.4 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 13.4 ± 0.7 | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
Reaction thermochemistry data
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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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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
C9H9O- + =
By formula: C9H9O- + H+ = C9H10O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 350.2 ± 2.5 | kcal/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
ΔrH° | 351.1 ± 3.5 | kcal/mol | G+TS | Cumming and Kebarle, 1978 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 344.5 ± 2.0 | kcal/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
ΔrG° | 345.4 ± 2.0 | kcal/mol | IMRE | Cumming and Kebarle, 1978 | gas phase; B |
By formula: Cl- + C9H10O = (Cl- • C9H10O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 10.70 | kcal/mol | TDEq | French, Ikuta, et al., 1982 | gas phase; B |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
8.3 | 421. | PHPMS | French, Ikuta, et al., 1982 | gas phase; M |
Gas phase ion energetics data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C9H10O+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 201.4 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 193.8 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.7 | PE | Centineo, Fragala, et al., 1978 | LLK |
9.14 ± 0.09 | EI | Foffani, Pignataro, et al., 1963 | RDSH |
8.98 | PE | Centineo, Fragala, et al., 1978 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6H5+ | 13.66 ± 0.02 | ? | EI | Foffani, Pignataro, et al., 1963 | RDSH |
C8H7O+ | 9.90 ± 0.17 | CH3 | EI | Foffani, Pignataro, et al., 1963 | RDSH |
De-protonation reactions
C9H9O- + =
By formula: C9H9O- + H+ = C9H10O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 350.2 ± 2.5 | kcal/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
ΔrH° | 351.1 ± 3.5 | kcal/mol | G+TS | Cumming and Kebarle, 1978 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 344.5 ± 2.0 | kcal/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
ΔrG° | 345.4 ± 2.0 | kcal/mol | IMRE | Cumming and Kebarle, 1978 | gas phase; B |
IR Spectrum
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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
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Download spectrum in JCAMP-DX format.
Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Sadtler Research Labs Under US-EPA Contract |
State | gas |
Mass spectrum (electron ionization)
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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
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. |
---|---|
NIST MS number | 20932 |
Gas Chromatography
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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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Apiezon L | 130. | 1098. | Wehrli and Kováts, 1959 | Celite; Column length: 2.25 m |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | RTX-5 | 1110.3 | Ádámová, Orinák, et al., 2005 | 30. m/0.25 mm/0.25 μm, N2, 40. C @ 2. min, 5. K/min, 300. C @ 10. min |
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-Innowax | 1710. | Adamiec, Cejpek, et al., 2001 | 30. m/0.25 mm/0.25 μm, N2, 5. K/min; Tstart: 60. C; Tend: 220. C |
Capillary | CP-WAX 57CB | 1704. | Baltes and Mevissen, 1988 | He, 50. C @ 5. min, 2. K/min; Column length: 50. m; Column diameter: 0.24 mm; Tend: 210. C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-5MS | 1124. | Ferhat, Tigrine-Kordjani, et al., 2007 | 30. m/0.25 mm/0.25 μm, He, 60. C @ 8. min, 2. K/min, 250. C @ 15. min |
Capillary | HP-5 MS | 1124. | Tigrine-Kordiani, Meklati, et al., 2006 | 30. m/0.25 mm/0.25 μm, Helium, 60. C @ 8. min, 2. K/min, 250. C @ 15. min |
Capillary | DB-1 | 1116. | Robacker and Bartelt, 1997 | 30. m/0.32 mm/0.5 μm, He, 35. C @ 1. min, 10. K/min; Tend: 200. C |
Capillary | DB-1 | 1090. | Flath, Matsumoto, et al., 1989 | 60. m/0.32 mm/0.25 μm, 4. K/min; Tstart: 50. C; Tend: 250. C |
Capillary | DB-1 | 1091. | Flath, Matsumoto, et al., 1989 | 60. m/0.32 mm/0.25 μm, 4. K/min; Tstart: 50. C; Tend: 250. C |
Capillary | DB-1 | 1091. | Flath, Matsumoto, et al., 1989 | 60. m/0.32 mm/0.25 μm, 4. K/min; Tstart: 50. C; Tend: 250. C |
Capillary | DB-1 | 1093. | Flath, Matsumoto, et al., 1989 | 60. m/0.32 mm/0.25 μm, 4. K/min; Tstart: 50. C; Tend: 250. C |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | RTX-5 | 1110. | Ádámová, Orinák, et al., 2005 | 30. m/0.25 mm/0.25 μm, N2; Program: not specified |
Capillary | Polydimethyl siloxanes | 1101. | Zenkevich and Chupalov, 1996 | Program: not specified |
Capillary | Methyl Silicone | 1101. | Zenkevich, 1996 | Program: not specified |
Other | Methyl Silicone | 1110. | Ardrey and Moffat, 1981 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax | 1710. | Ferhat, Tigrine-Kordjani, et al., 2007 | 60. m/0.2 mm/0.25 μm, He, 60. C @ 8. min, 2. K/min, 250. C @ 15. min |
Capillary | Carbowax-PEG | 1710. | Tigrine-Kordiani, Meklati, et al., 2006 | 60. m/0.20 mm/0.25 μm, Helium, 60. C @ 8. min, 2. K/min, 250. C @ 15. min |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Nicholson, Szwarc, et al., 1954
Nicholson, G.R.; Szwarc, M.; Taylor, J.W.,
The heats of formation of diacetyl and of benzyl methyl ketone in the vapour phase,
J. Chem. Soc., 1954, 2767-2769. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Parks, Manchester, et al., 1954
Parks, G.S.; Manchester, K.E.; Vaughan, L.M.,
Heats of combustion and formation of some alcohols, phenols, and ketones,
J. Chem. Phys., 1954, 22, 2089-2090. [all data]
Springall and White, 1954
Springall, H.D.; White, T.R.,
Heats of combustion and molecular structure. Part II. The mean bond energy term for the carbonyl system in certain ketones,
J. Chem. Soc., 1954, 2765-27. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Timmermans, 1922
Timmermans, J.,
Investigation of the Freezing Point of Organic Substances VII,
Bull. Soc. Chim. Belg., 1922, 31, 389. [all data]
Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr.,
The gas phase acidity scale from methanol to phenol,
J. Am. Chem. Soc., 1979, 101, 6047. [all data]
Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P.,
Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A),
Can. J. Chem., 1978, 56, 1. [all data]
French, Ikuta, et al., 1982
French, M.A.; Ikuta, S.; Kebarle, P.,
Hydrogen bonding of O-H and C-H hydrogen donors to Cl-. Results from mass spectrometric measurement of the ion-molecule equilibria RH + Cl- = RHCl-,
Can. J. Chem., 1982, 60, 1907. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Centineo, Fragala, et al., 1978
Centineo, G.; Fragala, I.; Bruno, G.; Spampinato, S.,
Photoelectron spectroscopy of benzophenone, acetophenone and their ortho-alkyl derivatives,
J. Mol. Struct., 1978, 44, 203. [all data]
Foffani, Pignataro, et al., 1963
Foffani, A.; Pignataro, S.; Cantone, B.; Grasso, F.,
Mass spectra of diazocompounds. I. Diazocarbonyl compounds,
Nuovo Cimento, 1963, 29, 918. [all data]
Wehrli and Kováts, 1959
Wehrli, A.; Kováts, E.,
Gas-chromatographische Charakterisierung ogranischer Verbindungen. Teil 3: Berechnung der Retentionsindices aliphatischer, alicyclischer und aromatischer Verbindungen,
Helv. Chim. Acta, 1959, 7, 7, 2709-2736, https://doi.org/10.1002/hlca.19590420745
. [all data]
Ádámová, Orinák, et al., 2005
Ádámová, M.; Orinák, A.; Halás, L.,
Retention indices as identification tool in pyrolysis-capillary gas chromatography,
J. Chromatogr. A, 2005, 1087, 1-2, 131-141, https://doi.org/10.1016/j.chroma.2005.01.003
. [all data]
Adamiec, Cejpek, et al., 2001
Adamiec, J.; Cejpek, K.; Rossner, J.; Velisek, J.,
Novel Strecker degradation products of tyrosine and dihydroxyphenylalanine,
Czech. J. Food. Sci., 2001, 19, 1, 13-18. [all data]
Baltes and Mevissen, 1988
Baltes, W.; Mevissen, L.,
Model reactions on roast aroma formation. VI. Volatile reaction products from the reaction of phenylalanine with glucose during cooking and roasting,
Z. Lebensm. Unters. Forsch., 1988, 187, 3, 209-214, https://doi.org/10.1007/BF01043341
. [all data]
Ferhat, Tigrine-Kordjani, et al., 2007
Ferhat, M.A.; Tigrine-Kordjani, N.; Chemat, S.; Meklati, B.Y.; Chemat, F.,
Rapid Extraction of Volatile Compounds Using a New Simultaneous Microwave Distillation: Solvent Extraction Device,
Chromatographia, 2007, 65, 3-4, 217-222, https://doi.org/10.1365/s10337-006-0130-5
. [all data]
Tigrine-Kordiani, Meklati, et al., 2006
Tigrine-Kordiani, N.; Meklati, B.Y.; Chemat, F.,
Abalysis by gas chromatography - mass spectrometry of the essential oil of Zygophyllum album L., an aromatic and medicinal plant growing in Algeria,
Int. J. Aromatherapy, 2006, 16, 3-4, 187-191, https://doi.org/10.1016/j.ijat.2006.09.008
. [all data]
Robacker and Bartelt, 1997
Robacker, D.C.; Bartelt, R.J.,
Chemicals attractive to Mexican fruit fly from Klebsiella pneumoniae and Citrobacter freundii cultures sampled by solid-phase microextraction MICROEXTRACTION,
J. Chem. Ecol., 1997, 23, 12, 2897-2915, https://doi.org/10.1023/A:1022579414233
. [all data]
Flath, Matsumoto, et al., 1989
Flath, R.A.; Matsumoto, K.E.; Binder, R.G.; Cunningham, R.T.; Mon, T.R.,
Effect of pH on the volatiles of hydrolyzed protein insect baits,
J. Agric. Food Chem., 1989, 37, 3, 814-819, https://doi.org/10.1021/jf00087a053
. [all data]
Zenkevich and Chupalov, 1996
Zenkevich, I.G.; Chupalov, A.A.,
New Possibilities of Chromato Mass Pectrometric Identification of Organic Compounds Using Increments of Gas Chromatographic Retention Indices of Molecular Structural Fragments,
Zh. Org. Khim. (Rus.), 1996, 32, 5, 656-666. [all data]
Zenkevich, 1996
Zenkevich, I.G.,
Informational Maitenance of Gas Chromatographic Identification of Organic Compounds in Ecoanalytical Investigations,
Z. Anal. Chem., 1996, 51, 11, 1140-1148. [all data]
Ardrey and Moffat, 1981
Ardrey, R.E.; Moffat, A.C.,
Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase,
J. Chromatogr., 1981, 220, 3, 195-252, https://doi.org/10.1016/S0021-9673(00)81925-1
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy T Temperature Tboil Boiling point Tfus Fusion (melting) point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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