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Measurement and correlation of solubility of 4-chloro-2,5-dimethoxynitrobenzene and 4-chloro-2,5-dimethoxyaniline in methanol, ethanol, xylene and toluene.

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Title: Measurement and correlation of solubility of 4-chloro-2,5-dimethoxynitrobenzene and 4-chloro-2,5-dimethoxyaniline in methanol, ethanol, xylene and toluene.
Authors: Zhang, Lin1, Jing, Hui1, Zhu, Wen-yu1, Zhang, Feng-Bao1, Zhang, Guo-Liang1, Xia, Qing1 xiaqing@tju.edu.cn
Source: Journal of Chemical Thermodynamics. Jan2015, Vol. 80, p142-146. 5p.
Subjects: Solubility, Nitrobenzene, Methanol, Ethanol, Xylene, Toluene
Abstract: The solubility of 4-chloro-2,5-dimethoxynitrobenzene (CDMB) and 4-chloro-2,5-dimethoxyaniline (CDMA) in methanol, ethanol, xylene and toluene was measured over the temperatures range from (278 to 338) K by the dynamic method using a laser monitoring observation technique. The solubility in all solvents increased with temperature and the greatest solubility of both systems was obtained in toluene. The Wilson and the NRTL models were applied to correlate the experimental results. The root-mean-square deviations for the system of (CDMB + solvent) ranged from T = (0.11 to 0.34) K and (0.08 to 0.33) K calculated by the Wilson and the NRTL models, respectively, while for the system of (CDMA + solvent) the root-mean-square deviations ranged from T = (0.11 to 0.32) K and (0.14 to 0.33) K. The melting points and enthalpies of fusion of CDMA and CDMB were determined by differential scanning calorimetry (DSC). Toluene was found to be the preferred solvent for the reduction of CDMB to CDMA from the point of view of reaction and product separation [ABSTRACT FROM AUTHOR]
Copyright of Journal of Chemical Thermodynamics is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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Header DbId: egs
DbLabel: Engineering Source
An: 99068710
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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Items – Name: Title
  Label: Title
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  Data: Measurement and correlation of solubility of 4-chloro-2,5-dimethoxynitrobenzene and 4-chloro-2,5-dimethoxyaniline in methanol, ethanol, xylene and toluene.
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  Data: <searchLink fieldCode="AR" term="%22Zhang%2C+Lin%22">Zhang, Lin</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Jing%2C+Hui%22">Jing, Hui</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhu%2C+Wen-yu%22">Zhu, Wen-yu</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Feng-Bao%22">Zhang, Feng-Bao</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhang%2C+Guo-Liang%22">Zhang, Guo-Liang</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Xia%2C+Qing%22">Xia, Qing</searchLink><relatesTo>1</relatesTo><i> xiaqing@tju.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Chemical+Thermodynamics%22">Journal of Chemical Thermodynamics</searchLink>. Jan2015, Vol. 80, p142-146. 5p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Solubility%22">Solubility</searchLink><br /><searchLink fieldCode="DE" term="%22Nitrobenzene%22">Nitrobenzene</searchLink><br /><searchLink fieldCode="DE" term="%22Methanol%22">Methanol</searchLink><br /><searchLink fieldCode="DE" term="%22Ethanol%22">Ethanol</searchLink><br /><searchLink fieldCode="DE" term="%22Xylene%22">Xylene</searchLink><br /><searchLink fieldCode="DE" term="%22Toluene%22">Toluene</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The solubility of 4-chloro-2,5-dimethoxynitrobenzene (CDMB) and 4-chloro-2,5-dimethoxyaniline (CDMA) in methanol, ethanol, xylene and toluene was measured over the temperatures range from (278 to 338) K by the dynamic method using a laser monitoring observation technique. The solubility in all solvents increased with temperature and the greatest solubility of both systems was obtained in toluene. The Wilson and the NRTL models were applied to correlate the experimental results. The root-mean-square deviations for the system of (CDMB + solvent) ranged from T = (0.11 to 0.34) K and (0.08 to 0.33) K calculated by the Wilson and the NRTL models, respectively, while for the system of (CDMA + solvent) the root-mean-square deviations ranged from T = (0.11 to 0.32) K and (0.14 to 0.33) K. The melting points and enthalpies of fusion of CDMA and CDMB were determined by differential scanning calorimetry (DSC). Toluene was found to be the preferred solvent for the reduction of CDMB to CDMA from the point of view of reaction and product separation [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Chemical Thermodynamics is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.jct.2014.09.003
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 5
        StartPage: 142
    Subjects:
      – SubjectFull: Solubility
        Type: general
      – SubjectFull: Nitrobenzene
        Type: general
      – SubjectFull: Methanol
        Type: general
      – SubjectFull: Ethanol
        Type: general
      – SubjectFull: Xylene
        Type: general
      – SubjectFull: Toluene
        Type: general
    Titles:
      – TitleFull: Measurement and correlation of solubility of 4-chloro-2,5-dimethoxynitrobenzene and 4-chloro-2,5-dimethoxyaniline in methanol, ethanol, xylene and toluene.
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            NameFull: Zhang, Lin
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            NameFull: Jing, Hui
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            NameFull: Zhu, Wen-yu
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            NameFull: Zhang, Feng-Bao
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            NameFull: Zhang, Guo-Liang
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            NameFull: Xia, Qing
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            – D: 01
              M: 01
              Text: Jan2015
              Type: published
              Y: 2015
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              Value: 80
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            – TitleFull: Journal of Chemical Thermodynamics
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