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 | -94.64 | kJ/mol | Ccb | Nicholson, Szwarc, et al., 1954 | |
ΔfH°gas | -94.64 | kJ/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 | -151.9 ± 1.7 | kJ/mol | Ccb | Nicholson, Szwarc, et al., 1954 | Reanalyzed by Cox and Pilcher, 1970, Original value = -152.3 kJ/mol |
ΔfH°liquid | -152.3 | kJ/mol | Ccb | Nicholson, Szwarc, et al., 1954 | |
ΔfH°liquid | -162.5 ± 1.3 | kJ/mol | Ccb | Parks, Manchester, et al., 1954 | Reanalyzed by Cox and Pilcher, 1970, Original value = -163.0 ± 1.3 kJ/mol |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -4818.8 ± 1.7 | kJ/mol | Ccb | Nicholson, Szwarc, et al., 1954 | Reanalyzed by Cox and Pilcher, 1970, Original value = -4819. ± 2. kJ/mol; Corresponding ΔfHºliquid = -151.9 kJ/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°liquid | -4818.5 ± 1.7 | kJ/mol | Ccb | Nicholson, Szwarc, et al., 1954 | Corresponding ΔfHºliquid = -152.3 kJ/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°liquid | -4808.2 ± 1.2 | kJ/mol | Ccb | Parks, Manchester, et al., 1954 | Reanalyzed by Cox and Pilcher, 1970, Original value = -4807.79 kJ/mol; Corresponding ΔfHºliquid = -162.6 kJ/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°liquid | -4818. ± 3. | kJ/mol | Ccb | Springall and White, 1954 | Corresponding ΔfHºliquid = -152. kJ/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° | 56. ± 3. | kJ/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° | 1465. ± 10. | kJ/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
ΔrH° | 1469. ± 15. | kJ/mol | G+TS | Cumming and Kebarle, 1978 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1441. ± 8.4 | kJ/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
ΔrG° | 1445. ± 8.4 | kJ/mol | IMRE | Cumming and Kebarle, 1978 | gas phase; B |
By formula: Cl- + C9H10O = (Cl- • C9H10O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 44.77 | kJ/mol | TDEq | French, Ikuta, et al., 1982 | gas phase; B |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
35. | 421. | PHPMS | French, Ikuta, et al., 1982 | gas phase; M |
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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Additional Data
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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 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, 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]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, References
- Symbols used in this document:
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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