Acetophenone
- Formula: C8H8O
- Molecular weight: 120.1485
- 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)
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Gas phase thermochemistry data
Go To: Top, Phase change data, Henry's Law data, 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
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -86.7 ± 1.7 | kJ/mol | N/A | Cox and Pilcher, 1970 | Review; Heat of formation from Colomina, Latorre, et al., 1961; ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°gas | 372.88 | J/mol*K | N/A | Stull D.R., 1969 | GT |
Phase change data
Go To: Top, Gas phase thermochemistry data, Henry's Law data, 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 |
---|---|---|---|---|---|
Tboil | 475. ± 1. | K | AVG | N/A | Average of 11 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 293.0 ± 0.6 | K | AVG | N/A | Average of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 713. | K | N/A | Steele, Chirico, et al., 1996 | Uncertainty assigned by TRC = 2. K; TRC |
Tc | 709.6 | K | N/A | Teja and Rosenthal, 1991 | Uncertainty assigned by TRC = 1. K; TRC |
Tc | 709.5 | K | N/A | Teja and Anselme, 1990 | Uncertainty assigned by TRC = 0.6 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 44.00 | bar | N/A | Steele, Chirico, et al., 1996 | Uncertainty assigned by TRC = 1.50 bar; from extraploation of obs. vapor pressures to Tc; TRC |
Pc | 40.10 | bar | N/A | Teja and Rosenthal, 1991 | Uncertainty assigned by TRC = 0.30 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 2.62 | mol/l | N/A | Steele, Chirico, et al., 1996 | Uncertainty assigned by TRC = 0.10 mol/l; TRC |
ρc | 2.59 | mol/l | N/A | Teja and Anselme, 1990 | Uncertainty assigned by TRC = 0.05 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 55.4 ± 0.4 | kJ/mol | EB | Steele, Chirico, et al., 1996, 2 | Based on data from 360. to 520. K.; AC |
ΔvapH° | 53.4 | kJ/mol | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 343. to 383. K.; AC |
ΔvapH° | 52.7 | kJ/mol | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 343. to 383. K.; AC |
ΔvapH° | 57.9 | kJ/mol | CGC | Chickos, Hosseini, et al., 1995 | Based on data from 343. to 383. K.; AC |
ΔvapH° | 55.9 ± 1.3 | kJ/mol | V | Cox and Pilcher, 1970 | Review; Heat of formation from Colomina, Latorre, et al., 1961; ALS |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
340. | 0.007 | Buckingham and Donaghy, 1982 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
52.6 ± 0.4 | 340. | EB | Steele, Chirico, et al., 1996, 2 | Based on data from 360. to 520. K.; AC |
50.1 ± 0.3 | 380. | EB | Steele, Chirico, et al., 1996, 2 | Based on data from 360. to 520. K.; AC |
47.5 ± 0.3 | 420. | EB | Steele, Chirico, et al., 1996, 2 | Based on data from 360. to 520. K.; AC |
45.0 ± 0.4 | 460. | EB | Steele, Chirico, et al., 1996, 2 | Based on data from 360. to 520. K.; AC |
42.2 ± 0.4 | 500. | EB | Steele, Chirico, et al., 1996, 2 | Based on data from 360. to 520. K.; AC |
49.7 | 390. | A | Stephenson and Malanowski, 1987 | Based on data from 375. to 603. K.; AC |
41.9 | 398. | GS,EB | Collerson, Counsell, et al., 1965 | Based on data from 383. to 437. K.; AC |
51.2 | 325. | N/A | Stull, 1947 | Based on data from 310. to 476. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
310.3 to 475.6 | 4.64896 | 2006.397 | -43.472 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
16.65 | 292.7 | Louguinine and Dupont, 1911 | See also Sedláková, Malijevská, et al., 2006.; AC |
Henry's Law data
Go To: Top, Gas phase thermochemistry data, Phase change data, 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: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference |
---|---|---|---|
110. | 6000. | M | N/A |
94. | V | N/A |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Henry's Law data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
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]
Stull D.R., 1969
Stull D.R., Jr.,
The Chemical Thermodynamics of Organic Compounds. Wiley, New York, 1969. [all data]
Steele, Chirico, et al., 1996
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.,
Vapor pressure of acetophenone, (+-)-1,2-butanediol, (+-)-1,3-butanediol, diethylene glycol monopropyl ether, 1,3-dimethyladamantane, 2-ethoxyethyl acetate, ethyl octyl sufide, and pentyl acetate,
J. Chem. Eng. Data, 1996, 41, 1255-68. [all data]
Teja and Rosenthal, 1991
Teja, A.S.; Rosenthal, D.J.,
The critical pressures and temperatures of ten substances using a low residence time flow apparatus
in Experimental Results for Phase Equilibria and Pure Component Properties, DIPPR DATA Series No. 1, 1991. [all data]
Teja and Anselme, 1990
Teja, A.S.; Anselme, M.J.,
The critical properties of thermally stable and unstable fluids. I. 1985 results,
AIChE Symp. Ser., 1990, 86, 279, 115-21. [all data]
Steele, Chirico, et al., 1996, 2
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.,
Vapor Pressure of Acetophenone, (±)-1,2-Butanediol, (±)-1,3-Butanediol, Diethylene Glycol Monopropyl Ether, 1,3-Dimethyladamantane, 2-Ethoxyethyl Acetate, Ethyl Octyl Sulfide, and Pentyl Acetate,
J. Chem. Eng. Data, 1996, 41, 6, 1255-1268, https://doi.org/10.1021/je9601117
. [all data]
Chickos, Hosseini, et al., 1995
Chickos, James S.; Hosseini, Sarah; Hesse, Donald G.,
Determination of vaporization enthalpies of simple organic molecules by correlations of changes in gas chromatographic net retention times,
Thermochimica Acta, 1995, 249, 41-62, https://doi.org/10.1016/0040-6031(95)90670-3
. [all data]
Buckingham and Donaghy, 1982
Buckingham, J.; Donaghy, S.M.,
Dictionary of Organic Compounds: Fifth Edition, Chapman and Hall, New York, 1982, 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]
Collerson, Counsell, et al., 1965
Collerson, R.R.; Counsell, J.F.; Handley, R.; Martin, J.F.; Sprake, C.H.S.,
677. Thermodynamic properties of organic oxygen compounds. Part XV. Purification and vapour pressures of some ketones and ethers,
J. Chem. Soc., 1965, 3697, https://doi.org/10.1039/jr9650003697
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Louguinine and Dupont, 1911
Louguinine, W.; Dupont, G.,
Bull. Soc. Chim. Fr., 1911, 9, 219. [all data]
Sedláková, Malijevská, et al., 2006
Sedláková, Zuzana; Malijevská, Ivona; Rehák, Karel; Vrbka, Pavel,
Solid-Liquid and Liquid-Liquid Equilibrium in the Formamide-Acetophenone System,
Collect. Czech. Chem. Commun., 2006, 71, 9, 1350-1358, https://doi.org/10.1135/cccc20061350
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Henry's Law data, References
- Symbols used in this document:
Pc Critical pressure S°gas Entropy of gas at standard conditions Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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