Dibenzoylmethane
- Formula: C15H12O2
- Molecular weight: 224.2546
- IUPAC Standard InChIKey: NZZIMKJIVMHWJC-UHFFFAOYSA-N
- CAS Registry Number: 120-46-7
- 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: 1,3-Propanedione, 1,3-diphenyl-; ω-Benzoylacetophenone; Phenyl phenacyl ketone; 1,3-Diphenyl-1,3-propanedione; 2-Benzoylacetophenone; 1,3-Diphenylpropane-1,3-dione; omega-Benzoylacetophenone; Karenzu DK 2; Rhodiastab 83; NSC 6266
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Phase change data
Go To: Top, 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 |
---|---|---|---|---|---|
Tfus | 351. | K | N/A | Wolfrom and Bobbitt, 1956 | Uncertainty assigned by TRC = 3. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 27.1 ± 1.1 | kcal/mol | C | Ribeiro da Silva and Santos, 2004 | AC |
ΔsubH° | 27.7 ± 0.2 | kcal/mol | V | Ribeiro da Silva and Monte, 1992 | crystal phase; ALS |
ΔsubH° | 27.7 ± 0.2 | kcal/mol | ME | Ribeiro da Silva and Monte, 1992 | AC |
ΔsubH° | 12.0 | kcal/mol | E | Farrar and Jones, 1964 | ALS |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
493.2 | 0.024 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
14.4 | 375. | A | Stephenson and Malanowski, 1987 | Based on data from 368. to 383. K.; AC |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Wolfrom and Bobbitt, 1956
Wolfrom, M.L.; Bobbitt, J.M.,
Periodate Oxidation of Cyclic 1,3-Diketones,
J. Am. Chem. Soc., 1956, 78, 2489-93. [all data]
Ribeiro da Silva and Santos, 2004
Ribeiro da Silva, Manuel A.V.; Santos, Luis M.N.B.F.,
Standard molar enthalpy of formation of monothiodibenzoylmethane by rotating-bomb calorimetry,
The Journal of Chemical Thermodynamics, 2004, 36, 6, 447-451, https://doi.org/10.1016/j.jct.2004.02.007
. [all data]
Ribeiro da Silva and Monte, 1992
Ribeiro da Silva, M.A.V.; Monte, M.J.S.,
Vapour pressures and standard molar enthalpies of sublimation of four crystalline B-diketones,
J. Chem. Thermodyn., 1992, 24, 1219-1228. [all data]
Farrar and Jones, 1964
Farrar, D.T.; Jones, M.M.,
Heats of combustion and bond energies in some octahedral iron(III) complexes with β-diketones,
J. Phys. Chem., 1964, 68, 1717-1721. [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]
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, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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