<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2026-09-22 03:16:24 UTC</creation_date>
  <update_date>2026-09-22 03:16:24 UTC</update_date>
  <accession>FDB117602</accession>
  <name>triclosan</name>
  <description/>
  <synonyms>
    <synonym>5-chloro-2-(2,4-dichlorophenoxy)phenol</synonym>
  </synonyms>
  <chemical_formula>C12H7Cl3O2</chemical_formula>
  <average_molecular_weight>289.542</average_molecular_weight>
  <monisotopic_moleculate_weight>287.951162589</monisotopic_moleculate_weight>
  <iupac_name>5-chloro-2-(2,4-dichlorophenoxy)phenol</iupac_name>
  <traditional_iupac>triclosan</traditional_iupac>
  <cas_registry_number/>
  <smiles>OC1=CC(Cl)=CC=C1OC1=C(Cl)C=C(Cl)C=C1</smiles>
  <inchi>InChI=1S/C12H7Cl3O2/c13-7-1-3-11(9(15)5-7)17-12-4-2-8(14)6-10(12)16/h1-6,16H</inchi>
  <inchikey>XEFQLINVKFYRCS-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as diphenylethers. These are aromatic compounds containing two benzene rings linked to each other through an ether group.</description>
    <direct_parent>Diphenylethers</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Benzenoids</super_class>
    <class>Benzene and substituted derivatives</class>
    <sub_class>Diphenylethers</sub_class>
    <molecular_framework>Aromatic homomonocyclic compounds</molecular_framework>
    <alternative_parents>
      <alternative_parent>1-hydroxy-2-unsubstituted benzenoids</alternative_parent>
      <alternative_parent>1-hydroxy-4-unsubstituted benzenoids</alternative_parent>
      <alternative_parent>Aryl chlorides</alternative_parent>
      <alternative_parent>Diarylethers</alternative_parent>
      <alternative_parent>Dichlorobenzenes</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>M-chlorophenols</alternative_parent>
      <alternative_parent>Organochlorides</alternative_parent>
      <alternative_parent>Phenol ethers</alternative_parent>
      <alternative_parent>Phenoxy compounds</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>1,3-dichlorobenzene</substituent>
      <substituent>1-hydroxy-2-unsubstituted benzenoid</substituent>
      <substituent>1-hydroxy-4-unsubstituted benzenoid</substituent>
      <substituent>3-chlorophenol</substituent>
      <substituent>3-halophenol</substituent>
      <substituent>Aromatic homomonocyclic compound</substituent>
      <substituent>Aryl chloride</substituent>
      <substituent>Aryl halide</substituent>
      <substituent>Chlorobenzene</substituent>
      <substituent>Diaryl ether</substituent>
      <substituent>Diphenylether</substituent>
      <substituent>Ether</substituent>
      <substituent>Halobenzene</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organochloride</substituent>
      <substituent>Organohalogen compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Phenol</substituent>
      <substituent>Phenol ether</substituent>
      <substituent>Phenoxy compound</substituent>
    </substituents>
    <external_descriptors>
      <external_descriptor>a small molecule</external_descriptor>
      <external_descriptor>aromatic ether</external_descriptor>
      <external_descriptor>dichlorobenzene</external_descriptor>
      <external_descriptor>monochlorobenzenes</external_descriptor>
      <external_descriptor>phenols</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>5.53</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-4.68</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>6.05e-03 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>4.98</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>7.68</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-6.7</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>5-chloro-2-(2,4-dichlorophenoxy)phenol</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>289.542</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>287.951162589</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>OC1=CC(Cl)=CC=C1OC1=C(Cl)C=C(Cl)C=C1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C12H7Cl3O2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C12H7Cl3O2/c13-7-1-3-11(9(15)5-7)17-12-4-2-8(14)6-10(12)16/h1-6,16H</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>XEFQLINVKFYRCS-UHFFFAOYSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>29.46</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>68.69</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>25.92</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>donor_count</kind>
    <value>1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>physiological_charge</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formal_charge</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <pathways>
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  <general_references>
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  <foods>
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  <flavors>
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  <enzymes>
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  <health_effects>
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</compound>
