p-Chloroaniline
- Formula: C6H6ClN
- Molecular weight: 127.572
- IUPAC Standard InChIKey: QSNSCYSYFYORTR-UHFFFAOYSA-N
- CAS Registry Number: 106-47-8
- 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: 4-Chloroaniline; Aniline, p-chloro-; p-Aminochlorobenzene; p-Chlorophenylamine; p-Ca; 1-Amino-4-chlorobenzene; 4-Chloro-1-aminobenzene; 4-Chlorobenzenamine; Benzenamine, 4-chloro-; p-Chloraniline; NCI-C02039; 4-Chlorophenylamine; Aniline, 4-chloro-; Benzeneamine, 4-chloro; 4-Chloranilin; Rcra waste number P024; 4-Amino-1-chlorobenzene; 4-Aminochlorobenzene; NSC 36941
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Reaction thermochemistry 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
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔcH°liquid | -3339. ± 13. | kJ/mol | Ccb | Zalikin, Kochetkov, et al., 1965 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔfH°solid | -33.3 | kJ/mol | Ccb | Masalitinova, Oleinikova, et al., 1981 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -3208.8 ± 1.9 | kJ/mol | Ccb | Masalitinova, Oleinikova, et al., 1981 | ALS |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
147.3 | 305. | Zalikin, Kochetkov, et al., 1965 | T = 292 to 323 K. Mean value.; DH |
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 | 505.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 505.45 | K | N/A | Perkin, 1896 | Uncertainty assigned by TRC = 1. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 343. ± 3. | K | AVG | N/A | Average of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 62.3 ± 0.5 | kJ/mol | GS | Verevkin and Schick, 2003 | Based on data from 346. to 374. K.; AC |
ΔvapH° | 48.95 | kJ/mol | V | Zalikin, Kochetkov, et al., 1965 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 80.5 ± 0.3 | kJ/mol | GS | Verevkin and Schick, 2003 | Based on data from 291. to 337. K.; AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
52.2 | 378. | A | Stephenson and Malanowski, 1987 | Based on data from 363. to 505. 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 |
---|---|---|---|---|---|
332.4 to 503.7 | 4.87876 | 2254.26 | -41.619 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
90.7 | 293. | ME | Stephenson and Malanowski, 1987 | Based on data from 283. to 303. K. See also Swan and Mack, 1925.; AC |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
20.47 | 342.8 | Verevkin and Schick, 2003 | See also Straka, Ruzicka, et al., 2007.; AC |
16.9 | 344. | Khanna, Khetarpal, et al., 1983 | AC |
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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
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
C6H5ClN- + =
By formula: C6H5ClN- + H+ = C6H6ClN
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1508. ± 8.8 | kJ/mol | G+TS | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1477. ± 8.4 | kJ/mol | IMRE | Bartmess, Scott, et al., 1979 | gas phase; value altered from reference due to change in acidity scale; B |
By formula: C7H8ClN = 0.5C6H6ClN + 0.5C8H10ClN
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -0.2 | kJ/mol | Eqk | Matvienko, Kachurin, et al., 1982 | liquid phase; Methanesulfonic acid; ALS |
By formula: C13H10Cl2N2O = C7H4ClNO + C6H6ClN
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 120.5 ± 1.1 | kJ/mol | Eqk | Chimishkyan, Svetlova, et al., 1984 | solid phase; Dissociation; ALS |
By formula: C6H6ClN + C4H2O3 = C10H8ClNO3
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13. | kJ/mol | Cm | Srivastava, 1979 | solid phase; ALS |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Zalikin, Kochetkov, et al., 1965
Zalikin, A.A.; Kochetkov, V.L.; Strepikheev, Yu.A.,
Some physical and physicochemical constants of m- and p-chloroaniline and of m- and p-chlorophenyl isocyanate,
Khim. Prom. (Moscow), 1965, 41, 338. [all data]
Masalitinova, Oleinikova, et al., 1981
Masalitinova, T.N.; Oleinikova, T.P.; Ryadnenko, V.L.; Kiseleva, N.N.; Lebedeva, N.D.,
Thermal effects of the hydrogenation of chloronitrobenzenes,
J. Appl. Chem. USSR, 1981, 54, 1551-1554, In original 1799. [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]
Perkin, 1896
Perkin, W.H.,
LXIX. On Magnetic Rotatory Power, especially of Aromatic Compounds,
J. Chem. Soc., 1896, 69, 1025-1257. [all data]
Verevkin and Schick, 2003
Verevkin, Sergey P.; Schick, Christoph,
Determination of vapor pressures, enthalpies of sublimation, enthalpies of vaporization, and enthalpies of fusion of a series of chloro-aminobenzenes and chloro-nitrobenzenes,
Fluid Phase Equilibria, 2003, 211, 2, 161-177, https://doi.org/10.1016/S0378-3812(03)00181-X
. [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]
Swan and Mack, 1925
Swan, Thomas H.; Mack, Edward,
VAPOR PRESSURES OF ORGANIC CRYSTALS BY AN EFFUSION METHOD,
J. Am. Chem. Soc., 1925, 47, 8, 2112-2116, https://doi.org/10.1021/ja01685a005
. [all data]
Straka, Ruzicka, et al., 2007
Straka, Martin; Ruzicka, Kvetoslav; Ruzicka, Vlastimil,
Heat Capacities of Chloroanilines and Chloronitrobenzenes,
J. Chem. Eng. Data, 2007, 52, 4, 1375-1380, https://doi.org/10.1021/je700080k
. [all data]
Khanna, Khetarpal, et al., 1983
Khanna, M.S.; Khetarpal, S.C.; Lal, K.; Bhatnagar, H.L.,
Thermodynamic studies on melting of some o-, m-, and p-halogen derivatives of aniline,
Indian J. Pure Appl. Phys., 1983, 20, 6, 503. [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]
Matvienko, Kachurin, et al., 1982
Matvienko, N.M.; Kachurin, O.I.; Chekhuta, V.G.,
Kinetics and equilibrium of the transalkylation reaction of N-methylarylamines,
Russ. Chem. Rev., 1982, 48, 42-45. [all data]
Chimishkyan, Svetlova, et al., 1984
Chimishkyan, A.L.; Svetlova, L.P.; Leonova, T.V.; Gluyaev, N.D.,
Thermal decomposition of substituted ureas,
J. Gen. Chem. USSR, 1984, 54, 1317-1320. [all data]
Srivastava, 1979
Srivastava, A.K.,
Solid-state reactions between maleic anhydride and substituted aromactic amines,
Z. Phys. Chem. (Leipzig), 1979, 260, 630-640. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid Tboil Boiling point Tfus Fusion (melting) point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔfusH Enthalpy of fusion ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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