o-Chloroaniline

• Formula: C₆H₆ClN
• Molecular weight: 127.572
• IUPAC Standard InChI: InChI=1S/C6H6ClN/c7-5-3-1-2-4-6(5)8/h1-4H,8H2 Copy

  
• IUPAC Standard InChIKey: AKCRQHGQIJBRMN-UHFFFAOYSA-N Copy
• 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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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • IR Spectrum
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
• Data at other public NIST sites:
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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Phase change data

Go To: Top, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, 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

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Enthalpy of fusion

Gas phase ion energetics data

Go To: Top, Phase change data, IR Spectrum, Gas Chromatography, 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

Appearance energy determinations

IR Spectrum

Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, References, Notes

Data compiled by: Coblentz Society, Inc.

• LIQUID (NEAT); BECKMAN IR-4 (HYBRID PRISM-GRATING); DIGITIZED BY NIST FROM HARD COPY; 4 cm^-1 resolution
• SOLUTION (10% CCl4 FOR 3800-1340, 10% CS2 FOR 1340-450 CM^-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm^-1 resolution
• SOLUTION (10% IN CCl4 FOR 4000-1330 CM^-1, 10% IN CS2 FOR 1330-600 CM^-1); BECKMAN IR-7 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm^-1 resolution

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

• gas

Gas Chromatography

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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

Kovats' RI, non-polar column, isothermal

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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Normal alkane RI, polar column, custom temperature program

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References

Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, 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]

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]

Dolecka, Raczynska, et al., 1988
Dolecka, E.; Raczynska, E.D.; Drapala, T., Retention indices and basicity of N¹N¹-dimethyl-N²-phenylformamidines ortho-substituent effect, J. Chem. Soc. Perkin Trans. 2:, 1988, 3, 257-260, https://doi.org/10.1039/p29880000257 . [all data]

Gautzsch and Zinn, 1996
Gautzsch, R.; Zinn, P., Use of incremental models to estimate the retention indexes of aromatic compounds, Chromatographia, 1996, 43, 3/4, 163-176, https://doi.org/10.1007/BF02292946 . [all data]

Yasuhara, Shiraishi, et al., 1997
Yasuhara, A.; Shiraishi, H.; Nishikawa, M.; Yamamoto, T.; Uehiro, T.; Nakasugi, O.; Okumura, T.; Kenmotsu, K.; Fukui, H.; Nagase, M.; Ono, Y.; Kawagoshi, Y.; Baba, K.; Noma, Y., Determination of organic components in leachates from hazardous waste disposal sites in Japan by gas chromatography-mass spectrometry, J. Chromatogr. A, 1997, 774, 1-2, 321-332, https://doi.org/10.1016/S0021-9673(97)00078-2 . [all data]

Gruzdev, Alferova, et al., 2011
Gruzdev, I.V.; Alferova, M.V.; Kondratenok, B.M.; Zenkevich, I.G., Gas-chromatographic identification of chloro- and bromosubstituted anilines using retention indices, Rus. J. Anal. Chem., 2011, 66, 5, 519-524. [all data]

Gruzdev, Alferova, et al., 2011, 2
Gruzdev, I.V.; Alferova, M.V.; Kondratenok, B.M.; Zenkevich, I.G., Quantification of chloroanilines in drinking water by gas chromatography as bromo derivatives, Rus. J. Anal. Chem., 2011, 66, 10, 955-962, https://doi.org/10.1134/S1061934811100042 . [all data]

Gruzdev, Filippova, et al., 2011
Gruzdev, I.V.; Filippova, M.V.; Zenkevich, I.G.; Kondratenok, B.M., Identification of bromination products of chlorosubstituted anilines in aqueous media by using gas chromatography, Rus. J. Applied Chem., 2011, 84, 10, 1656-1667, https://doi.org/10.1134/S1070427211100132 . [all data]

Okumura, 1991
Okumura, T., retention indices of environmental chemicals on methyl silicone capillary column, Journal of Environmental Chemistry (Japan), 1991, 1, 2, 333-358, https://doi.org/10.5985/jec.1.333 . [all data]

Harland, Cumming, et al., 1986
Harland, B.J.; Cumming, R.I.; Gillings, E., The Kovats indexes of some organic micropollutants on an SE54 capillary column, EUR, I Org. Micropollut. Aquat. Environ., 1986, EUR 10388, 123-127. [all data]

Vezzani, Moretti, et al., 1994
Vezzani, S.; Moretti, P.; Castello, G., Fast and Accurate Method for the Automatic Prediction of Programmed-Temperature Retention Times, J. Chromatogr. A, 1994, 677, 2, 331-343, https://doi.org/10.1016/0021-9673(94)80161-4 . [all data]

Waggott and Davies, 1984
Waggott, A.; Davies, I.W., Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]

Notes

Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Gas Chromatography, References

• Symbols used in this document:
  

  AE	Appearance energy
  Tboil	Boiling point
  Tfus	Fusion (melting) point
  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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