Acetophenone
- Formula: C8H8O
- Molecular weight: 120.1485
- IUPAC Standard InChI: InChI=1S/C8H8O/c1-7(9)8-5-3-2-4-6-8/h2-6H,1H3
- IUPAC Standard InChIKey: KWOLFJPFCHCOCG-UHFFFAOYSA-N
- CAS Registry Number: 98-86-2
- 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: Ethanone, 1-phenyl-; Acetophenon; Benzoyl methide; Hypnon; Hypnone; Methyl phenyl ketone; Phenyl methyl ketone; 1-Phenylethanone; Acetylbenzene; 1-Phenyl-1-ethanone; Ketone, methyl phenyl-; USAF EK-496; Acetofenon; Benzene, acetyl-; Dymex; Rcra waste number U004; Acetylbenzol; NSC 7635; Phenylethanone; 1-phenylethanone (acetophenone)
- 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.
Condensed phase thermochemistry 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -142.5 ± 1.0 | kJ/mol | Ccb | Colomina, Latorre, et al., 1961 | Reanalyzed by Cox and Pilcher, 1970, Original value = -142.5 ± 1.0 kJ/mol; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -4140. | kJ/mol | Ccb | Seno, Tsuchiya, et al., 1975 | Corresponding ΔfHºliquid = -151. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
| ΔcH°liquid | -4148.9 ± 0.88 | kJ/mol | Ccb | Colomina, Latorre, et al., 1961 | Corresponding ΔfHºliquid = -142.5 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
| ΔcH°liquid | -4136. | kJ/mol | Ccb | Guinchant, 1918 | Corresponding ΔfHºliquid = -156. 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 |
|---|---|---|---|
| 227.6 | 303.2 | Phillip, 1939 | DH |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Colomina, Latorre, et al., 1961
Colomina, M.; Latorre, C.; Perez-Ossorio, R.,
Heats of combustion of five alkyl phenyl ketones,
Pure & Appl. Chem., 1961, 2, 133-135. [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]
Seno, Tsuchiya, et al., 1975
Seno, M.; Tsuchiya, S.; Kise, H.; Asahara, T.,
Studies on bond character in phosphorus ylides by combustion heat and x-ray photoelectron spectroscopy,
Bull. Chem. Soc. Jpn., 1975, 48, 2001-2005. [all data]
Guinchant, 1918
Guinchant, M.J.,
Etude sur la fonction acide dans les derives metheniques et methiniques,
Ann. Chem., 1918, 10, 30-84. [all data]
Phillip, 1939
Phillip, N.M.,
Adiabatic and isothermal compressibilities of liquids,
Proc. Indian Acad. Sci., 1939, A9, 109-120. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid 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.