<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:05:41 UTC</creation_date>
  <update_date>2018-05-28 23:10:58 UTC</update_date>
  <accession>FDB003177</accession>
  <name>3,3'-Thiobispropanoic acid</name>
  <description>Antioxidant used in food packaging materials.</description>
  <synonyms>
    <synonym>&amp;beta;,&amp;beta;'-Thiodipropionic acid</synonym>
    <synonym>3,3'-Thiobis-propanoic acid</synonym>
    <synonym>3,3'-Thiobis(propanoic acid)</synonym>
    <synonym>3,3'-Thiodi-propionic acid</synonym>
    <synonym>3,3'-Thiodipropanoic acid</synonym>
    <synonym>3,3'-Thiodipropionic acid, 8CI</synonym>
    <synonym>4-Thiaheptanedioic acid</synonym>
    <synonym>beta ,beta '-Thiodipropionic acid</synonym>
    <synonym>Bis(2-carboxyethyl) sulfide</synonym>
    <synonym>Diethyl sulfide 2,2'-dicarboxylic acid</synonym>
    <synonym>Diethyl sulfide b,b'-dicarboxylic acid</synonym>
    <synonym>Propanoic acid, 3,3'-thiobis-</synonym>
    <synonym>Propionic acid, 3,3'-thiodi-</synonym>
    <synonym>Sulfide, bis(2-carboxyethyl)</synonym>
    <synonym>Thiodihydracrylic acid</synonym>
    <synonym>Thiodipropionic acid</synonym>
    <synonym>Tyox A</synonym>
  </synonyms>
  <chemical_formula>C6H10O4S</chemical_formula>
  <average_molecular_weight>178.206</average_molecular_weight>
  <monisotopic_moleculate_weight>178.029979498</monisotopic_moleculate_weight>
  <iupac_name>3-[(2-carboxyethyl)sulfanyl]propanoic acid</iupac_name>
  <traditional_iupac>propanoic acid, 3,3'-thiobis-</traditional_iupac>
  <cas_registry_number>111-17-1</cas_registry_number>
  <smiles>OC(=O)CCSCCC(O)=O</smiles>
  <inchi>InChI=1S/C6H10O4S/c7-5(8)1-3-11-4-2-6(9)10/h1-4H2,(H,7,8)(H,9,10)</inchi>
  <inchikey>ODJQKYXPKWQWNK-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as dicarboxylic acids and derivatives. These are organic compounds containing exactly two carboxylic acid groups.</description>
    <direct_parent>Dicarboxylic acids and derivatives</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Organic acids and derivatives</super_class>
    <class>Carboxylic acids and derivatives</class>
    <sub_class>Dicarboxylic acids and derivatives</sub_class>
    <molecular_framework>Aliphatic acyclic compounds</molecular_framework>
    <alternative_parents>
      <alternative_parent>Carbonyl compounds</alternative_parent>
      <alternative_parent>Carboxylic acids</alternative_parent>
      <alternative_parent>Dialkylthioethers</alternative_parent>
      <alternative_parent>Fatty acids and conjugates</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Sulfenyl compounds</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>Aliphatic acyclic compound</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Carboxylic acid</substituent>
      <substituent>Dialkylthioether</substituent>
      <substituent>Dicarboxylic acid or derivatives</substituent>
      <substituent>Fatty acid</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Organosulfur compound</substituent>
      <substituent>Sulfenyl compound</substituent>
      <substituent>Thioether</substituent>
    </substituents>
    <external_descriptors>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>0.19</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-1.39</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>7.20e+00 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
    <property>
      <kind>melting_point</kind>
      <value>Mp 134° (129-130°)</value>
    </property>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>0.45</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>3.86</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>3-[(2-carboxyethyl)sulfanyl]propanoic acid</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>178.206</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>178.029979498</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>OC(=O)CCSCCC(O)=O</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C6H10O4S</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C6H10O4S/c7-5(8)1-3-11-4-2-6(9)10/h1-4H2,(H,7,8)(H,9,10)</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>ODJQKYXPKWQWNK-UHFFFAOYSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>74.6</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>40.56</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>17.46</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>6</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>4</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>donor_count</kind>
    <value>2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>physiological_charge</kind>
    <value>-2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formal_charge</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <pathways>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>21649</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>42374</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>161379</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>4120</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>4121</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>4122</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>67911</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>67912</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>67913</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>125823</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>125824</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>125825</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2244909</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2245190</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2246983</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2247323</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2251024</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2443537</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2443538</spectrum_id>
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    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2443539</spectrum_id>
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    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2521639</spectrum_id>
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    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2521640</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2521641</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>162609</spectrum_id>
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    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>162610</spectrum_id>
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      <type>Specdb::NmrOneD</type>
      <spectrum_id>162611</spectrum_id>
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      <type>Specdb::NmrOneD</type>
      <spectrum_id>162612</spectrum_id>
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      <type>Specdb::NmrOneD</type>
      <spectrum_id>162613</spectrum_id>
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    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>162614</spectrum_id>
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      <type>Specdb::NmrOneD</type>
      <spectrum_id>162615</spectrum_id>
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      <type>Specdb::NmrOneD</type>
      <spectrum_id>162616</spectrum_id>
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      <type>Specdb::NmrOneD</type>
      <spectrum_id>162617</spectrum_id>
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    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>162618</spectrum_id>
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      <type>Specdb::NmrOneD</type>
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      <type>Specdb::NmrOneD</type>
      <spectrum_id>162620</spectrum_id>
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      <type>Specdb::NmrOneD</type>
      <spectrum_id>162621</spectrum_id>
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      <spectrum_id>162622</spectrum_id>
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      <type>Specdb::NmrOneD</type>
      <spectrum_id>162623</spectrum_id>
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      <type>Specdb::NmrOneD</type>
      <spectrum_id>162624</spectrum_id>
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    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>162625</spectrum_id>
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    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>162626</spectrum_id>
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    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>162627</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>162628</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB31162</hmdb_id>
  <pubchem_compound_id/>
  <chemspider_id/>
  <kegg_id/>
  <chebi_id/>
  <biocyc_id/>
  <het_id/>
  <wikipidia/>
  <vmh_id/>
  <fbonto_id/>
  <foodb_id/>
  <general_references>
    <reference>#&lt;Reference:0x00007f093c06ac60&gt;</reference>
  </general_references>
  <foods>
  </foods>
  <flavors>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
