Acetamide, N-phenyl-
- Formula: C8H9NO
- Molecular weight: 135.1632
- IUPAC Standard InChIKey: FZERHIULMFGESH-UHFFFAOYSA-N
- CAS Registry Number: 103-84-4
- 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: Acetanilide; Acetamidobenzene; Acetanil; Acetoanilide; Acetylaniline; Antifebrin; Benzenamine, N-acetyl-; N-Acetylaniline; N-Phenylacetamide; Phenalgene; Phenalgin; Acetylaminobenzene; Acetic acid anilide; Acetanilid; Aniline, N-acetyl-; USAF EK-3; AN [Analgesic]; N-Acetylaminobenzene; NSC 7636
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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
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 577.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 578.15 | K | N/A | Perkin, 1896 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 388. ± 2. | K | AVG | N/A | Average of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 387.520 | K | N/A | Andon and Connett, 1980 | Uncertainty assigned by TRC = 0.01 K; TRC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
15.5 | 488. | A | Stephenson and Malanowski, 1987 | Based on data from 473. to 577. K.; AC |
15.8 | 402. | N/A | Stull, 1947 | Based on data from 387. to 577. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
387. to 576.9 | 5.36713 | 2920.325 | -32.916 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
19.3 | 313.5 | A | Stephenson and Malanowski, 1987 | Based on data from 303. to 324. K. See also Aihara, 1955.; AC |
20.8 | 326.5 | A | Stephenson and Malanowski, 1987 | Based on data from 317. to 336. K. See also Aihara, 1960.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
5.11 | 386.9 | DSC | Chen, Tang, et al., 2005 | AC |
4.37 | 387.2 | N/A | Vecchio, Catalani, et al., 2004 | AC |
5.179 | 387.5 | N/A | Domalski and Hearing, 1996 | AC |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
5.1752 | 387.525 | crystaline, I | liquid | Andon and Connett, 1980, 2 | DH |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
13.35 | 387.525 | crystaline, I | liquid | Andon and Connett, 1980, 2 | DH |
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.
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]
Perkin, 1896
Perkin, W.H.,
LXIX. On Magnetic Rotatory Power, especially of Aromatic Compounds,
J. Chem. Soc., 1896, 69, 1025-1257. [all data]
Andon and Connett, 1980
Andon, R.J.L.; Connett, J.E.,
Calibrants for thermal analysis. measurement of their enthalpies of fusion by adiabatic calorimetry.,
Thermochim. Acta, 1980, 42, 241. [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]
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]
Aihara, 1955
Aihara, A.,
J. Chem. Soc. Jpn. Pure Chem. Sect., 1955, 76, 492. [all data]
Aihara, 1960
Aihara, Ariyuki,
Estimation of the Energy of Hydrogen Bonds Formed in Crystals. III. Amides,
Bull. Chem. Soc. Jpn., 1960, 33, 9, 1188-1194, https://doi.org/10.1246/bcsj.33.1188
. [all data]
Chen, Tang, et al., 2005
Chen, Yan-Ping; Tang, Muoi; Kuo, Ju-Chia,
Solid--liquid equilibria for binary mixtures of N-phenylacetamide with 4-aminoacetophenone, 3-hydroxyacetophenone and 4-hydroxyacetophenone,
Fluid Phase Equilibria, 2005, 232, 1-2, 182-188, https://doi.org/10.1016/j.fluid.2005.03.023
. [all data]
Vecchio, Catalani, et al., 2004
Vecchio, Stefano; Catalani, Alessia; Rossi, Vanessa; Tomassetti, Mauro,
Thermal analysis study on vaporization of some analgesics. Acetanilide and derivatives,
Thermochimica Acta, 2004, 420, 1-2, 99-104, https://doi.org/10.1016/j.tca.2003.09.039
. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Andon and Connett, 1980, 2
Andon, R.J.L.; Connett, J.E.,
Calibrants for thermal analysis. Measurement of their enthalpies of fusion by adiabatic calorimetry,
Thermochim. Acta, 1980, 42, 241-247. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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