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, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, 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 | -797.9 ± 3.2 | kcal/mol | Ccb | Zalikin, Kochetkov, et al., 1965 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔfH°solid | -7.97 | kcal/mol | Ccb | Masalitinova, Oleinikova, et al., 1981 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -766.93 ± 0.45 | kcal/mol | Ccb | Masalitinova, Oleinikova, et al., 1981 | ALS |
Constant pressure heat capacity of solid
Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
35.21 | 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° | 14.9 ± 0.1 | kcal/mol | GS | Verevkin and Schick, 2003 | Based on data from 346. to 374. K.; AC |
ΔvapH° | 11.70 | kcal/mol | V | Zalikin, Kochetkov, et al., 1965 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 19.2 ± 0.07 | kcal/mol | GS | Verevkin and Schick, 2003 | Based on data from 291. to 337. K.; AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
12.5 | 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 (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
332.4 to 503.7 | 4.87305 | 2254.26 | -41.619 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
21.7 | 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 (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
4.892 | 342.8 | Verevkin and Schick, 2003 | See also Straka, Ruzicka, et al., 2007.; AC |
4.04 | 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° | 360.4 ± 2.1 | kcal/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° | 353.1 ± 2.0 | kcal/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° | -0.05 | kcal/mol | Eqk | Matvienko, Kachurin, et al., 1982 | liquid phase; Methanesulfonic acid; ALS |
By formula: C13H10Cl2N2O = C7H4ClNO + C6H6ClN
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 28.80 ± 0.26 | kcal/mol | Eqk | Chimishkyan, Svetlova, et al., 1984 | solid phase; Dissociation; ALS |
By formula: C6H6ClN + C4H2O3 = C10H8ClNO3
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 3.1 | kcal/mol | Cm | Srivastava, 1979 | solid phase; ALS |
IR Spectrum
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Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | NIST Mass Spectrometry Data Center, 1998. |
NIST MS number | 291216 |
UV/Visible spectrum
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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 by: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina
Spectrum
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Additional Data
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Source | Grammaticakis, 1951 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 132 |
Instrument | n.i.g. |
Melting point | 72.5 |
Boiling point | 232 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, 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]
Grammaticakis, 1951
Grammaticakis, P.,
Contribution a l'etude de l'absorption dans l'ultraviolet moyen et le visible des arylamines isomeres et de leurs derives N-substitues (2e memoire),
Bull. Soc. Chim. Fr., 1951, 18, 534-545. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, 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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