o-Chloroaniline
- Formula: C6H6ClN
- Molecular weight: 127.572
- IUPAC Standard InChIKey: AKCRQHGQIJBRMN-UHFFFAOYSA-N
- CAS Registry Number: 95-51-2
- 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. - Other names: Benzenamine, 2-chloro-; Aniline, o-chloro-; Fast Yellow GC Base; 1-Amino-2-chlorobenzene; 2-Chloroaniline; 2-Chlorobenzenamine; o-Aminochlorobenzene; o-Chloroaminobenzene; Azoic diazo component 44, base; o-Chloraniline; Benzeneamine, 2-chloro-; 2-Chlorophenylamine; NSC 6183
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Gas phase ion energetics 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -4.64 | kJ/mol | Ccb | Masalitinova, Oleinikova, et al., 1981 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -3237.5 ± 1.4 | kJ/mol | Ccb | Masalitinova, Oleinikova, et al., 1981 |
Phase change data
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 482.0 | K | N/A | Weast and Grasselli, 1989 | BS |
Tboil | 482.15 | K | N/A | Pawlowski and Wieckowska, 1980 | Uncertainty assigned by TRC = 1. K; TRC |
Tboil | 481.99 | K | N/A | Dreisbach and Martin, 1949 | Uncertainty assigned by TRC = 0.07 K; TRC |
Tboil | 480.2 | K | N/A | Sidgwick and Rubie, 1921 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 269.65 | K | N/A | Pawlowski and Wieckowska, 1980 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 271.21 | K | N/A | Dreisbach and Martin, 1949 | Uncertainty assigned by TRC = 0.05 K; TRC |
Tfus | 271.05 | K | N/A | Sidgwick and Rubie, 1921 | Uncertainty assigned by TRC = 0.1 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 56.4 ± 1.6 | kJ/mol | C | Ribeiro da Silva, Gomes, et al., 2005 | AC |
ΔvapH° | 57.1 ± 0.5 | kJ/mol | GS | Verevkin and Schick, 2003 | Based on data from 288. to 327. K.; AC |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
50.7 | 412. | A | Stephenson and Malanowski, 1987 | Based on data from 397. to 482. K.; AC |
58.2 ± 1.4 | 311. | TE,ME | Piacente, Scardala, et al., 1985 | Based on data from 287. to 336. K.; AC |
57.1 ± 1.0 | 312. | TE,ME | Piacente, Scardala, et al., 1985 | Based on data from 294. to 330. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
319.4 to 481.5 | 4.15776 | 1646.915 | -85.259 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
12.38 | 269.2 | Straka, Ruzicka, et al., 2007 | AC |
8.81 | 271. | Khanna, Khetarpal, et al., 1983 | AC |
Gas phase ion energetics data
Go To: Top, Condensed 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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C6H6ClN+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.50 | EI | Baldwin, Loudon, et al., 1976 | LLK |
7.9 | CTS | Briegleb and Czekalla, 1959 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6H6N+ | 13.10 | Cl | EI | Baldwin, Loudon, et al., 1976 | LLK |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Pawlowski and Wieckowska, 1980
Pawlowski, W.; Wieckowska, E.,
Distribution Studies on Ternary System Water--Benzene--Chloro- or Nitroaniline,
Pol. J. Chem., 1980, 54, 543. [all data]
Dreisbach and Martin, 1949
Dreisbach, R.R.; Martin, R.A.,
Physical Data on Some Organic Compounds,
Ind. Eng. Chem., 1949, 41, 2875-8. [all data]
Sidgwick and Rubie, 1921
Sidgwick, N.V.; Rubie, H.E.,
The solubility and volatility of the chloro- and nitro-anilines and of their acetyl derivatives,
J. Chem. Soc., 1921, 119, 1013-24. [all data]
Ribeiro da Silva, Gomes, et al., 2005
Ribeiro da Silva, Manuel A.V.; Gomes, José R.B.; Ferreira, Ana I.M.C.L.,
Experimental and Computational Investigation of the Energetics of the Three Isomers of Monochloroaniline,
J. Phys. Chem. B, 2005, 109, 27, 13356-13362, https://doi.org/10.1021/jp0519565
. [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]
Piacente, Scardala, et al., 1985
Piacente, V.; Scardala, P.; Ferro, D.; Gigli, R.,
Vaporization study of o-, m-, and p-chloroaniline by torsion-weighing effusion vapor pressure measurements,
J. Chem. Eng. Data, 1985, 30, 4, 372-376, https://doi.org/10.1021/je00042a002
. [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]
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]
Baldwin, Loudon, et al., 1976
Baldwin, M.A.; Loudon, A.G.; Maccoll, A.; Webb, K.S.,
The nature and fragmentation pathways of the molecular ions of some arylureas, arylthioureas, acetanilides, thioacetanilides and related compounds,
Org. Mass Spectrom., 1976, 11, 1181. [all data]
Briegleb and Czekalla, 1959
Briegleb, G.; Czekalla, J.,
Die Bestimmung von lonisierungsenergien aus den Spektren von Elektronenubergangskomplexen,
Z.Elektrochem., 1959, 63, 6. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Tboil Boiling point Tfus Fusion (melting) point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion 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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