<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:08:44 UTC</creation_date>
  <update_date>2025-11-18 23:17:17 UTC</update_date>
  <accession>FDB009653</accession>
  <name>Isopropyl isothiocyanate</name>
  <description>Isopropyl isothiocyanate is a member of the class of compounds known as isothiocyanates. Isothiocyanates are organic compounds containing the isothiocyanate group, an isocyanate analogue with the general formula RN=C=S. Isopropyl isothiocyanate is practically insoluble (in water) and an extremely weak basic (essentially neutral) compound (based on its pKa). Isopropyl isothiocyanate is a mustard and pungent tasting compound found in brussel sprouts, chinese mustard, and horseradish, which makes isopropyl isothiocyanate a potential biomarker for the consumption of these food products. </description>
  <synonyms>
    <synonym>2-Isothiocyanatopropane</synonym>
    <synonym>Propane, 2-isothiocyanato-</synonym>
  </synonyms>
  <chemical_formula>C4H7NS</chemical_formula>
  <average_molecular_weight>101.17</average_molecular_weight>
  <monisotopic_moleculate_weight>101.029919919</monisotopic_moleculate_weight>
  <iupac_name>2-isothiocyanatopropane</iupac_name>
  <traditional_iupac>2-isothiocyanatopropane</traditional_iupac>
  <cas_registry_number>2253-73-8</cas_registry_number>
  <smiles>CC(C)N=C=S</smiles>
  <inchi>InChI=1S/C4H7NS/c1-4(2)5-3-6/h4H,1-2H3</inchi>
  <inchikey>VHBFEIBMZHEWSX-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as isothiocyanates. These are organic compounds containing the isothiocyanate group, an isocyanate analogue with the general formula RN=C=S.</description>
    <direct_parent>Isothiocyanates</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Organosulfur compounds</super_class>
    <class>Isothiocyanates</class>
    <sub_class/>
    <molecular_framework>Aliphatic acyclic compounds</molecular_framework>
    <alternative_parents>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Organonitrogen compounds</alternative_parent>
      <alternative_parent>Organopnictogen compounds</alternative_parent>
      <alternative_parent>Propargyl-type 1,3-dipolar organic compounds</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>Aliphatic acyclic compound</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Isothiocyanate</substituent>
      <substituent>Organic 1,3-dipolar compound</substituent>
      <substituent>Organic nitrogen compound</substituent>
      <substituent>Organonitrogen compound</substituent>
      <substituent>Organopnictogen compound</substituent>
      <substituent>Propargyl-type 1,3-dipolar organic compound</substituent>
    </substituents>
    <external_descriptors>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>2.15</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-2.07</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>8.62e-01 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>1.84</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-3.3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>2-isothiocyanatopropane</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>101.17</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>101.029919919</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>CC(C)N=C=S</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C4H7NS</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C4H7NS/c1-4(2)5-3-6/h4H,1-2H3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>VHBFEIBMZHEWSX-UHFFFAOYSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>12.36</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>30.5</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>11.08</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>donor_count</kind>
    <value>0</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>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>46173</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>46174</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>46175</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>115974</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>115975</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>115976</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3604990</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3604991</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3604992</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3604993</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3604994</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3604995</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id/>
  <pubchem_compound_id/>
  <chemspider_id/>
  <kegg_id/>
  <chebi_id/>
  <biocyc_id/>
  <het_id/>
  <wikipidia/>
  <vmh_id/>
  <fbonto_id/>
  <foodb_id/>
  <general_references>
  </general_references>
  <foods>
    <food>
      <name>Brussel sprouts</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Brassica oleracea var. gemmifera</name_scientific>
      <ncbi_taxonomy_id>178616</ncbi_taxonomy_id>
    </food>
    <food>
      <name>Chinese mustard</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Brassica juncea</name_scientific>
      <ncbi_taxonomy_id>3707</ncbi_taxonomy_id>
    </food>
    <food>
      <name>Horseradish</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Armoracia rusticana</name_scientific>
      <ncbi_taxonomy_id>3704</ncbi_taxonomy_id>
    </food>
  </foods>
  <flavors>
    <flavor>
      <name>mustard</name>
    </flavor>
    <flavor>
      <name>pungent</name>
    </flavor>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
