<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:07:57 UTC</creation_date>
  <update_date>2025-11-18 23:07:23 UTC</update_date>
  <accession>FDB008161</accession>
  <name>5-Methyl-3-hexen-2-one</name>
  <description>It is used as a food additive .</description>
  <synonyms>
    <synonym>(3E)-5-Methyl-3-hexen-2-one</synonym>
    <synonym>3-Hexen-2-one, 5-Me</synonym>
    <synonym>5-methyl-hex-3-en-2-one</synonym>
    <synonym>FEMA 3409</synonym>
    <synonym>Isobutylideneacetone</synonym>
  </synonyms>
  <chemical_formula>C7H12O</chemical_formula>
  <average_molecular_weight>112.1696</average_molecular_weight>
  <monisotopic_moleculate_weight>112.088815006</monisotopic_moleculate_weight>
  <iupac_name>(3Z)-5-methylhex-3-en-2-one</iupac_name>
  <traditional_iupac>(3Z)-5-methylhex-3-en-2-one</traditional_iupac>
  <cas_registry_number>5166-53-0</cas_registry_number>
  <smiles>CC(C)\C=C/C(C)=O</smiles>
  <inchi>InChI=1S/C7H12O/c1-6(2)4-5-7(3)8/h4-6H,1-3H3/b5-4-</inchi>
  <inchikey>IYMKNYVCXUEFJE-PLNGDYQASA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as enones. Enones are compounds containing the enone functional group, with the structure RC(=O)CR'.</description>
    <direct_parent>Enones</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Organic oxygen compounds</super_class>
    <class>Organooxygen compounds</class>
    <sub_class>Carbonyl compounds</sub_class>
    <molecular_framework>Aliphatic acyclic compounds</molecular_framework>
    <alternative_parents>
      <alternative_parent>Acryloyl compounds</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Ketones</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>Acryloyl-group</substituent>
      <substituent>Aliphatic acyclic compound</substituent>
      <substituent>Enone</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Ketone</substituent>
      <substituent>Organic oxide</substituent>
    </substituents>
    <external_descriptors>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>1.56</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-1.73</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>2.09e+00 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>1.98</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>19.84</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-4.6</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>(3Z)-5-methylhex-3-en-2-one</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>112.1696</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>112.088815006</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>CC(C)\C=C/C(C)=O</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C7H12O</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C7H12O/c1-6(2)4-5-7(3)8/h4-6H,1-3H3/b5-4-</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>IYMKNYVCXUEFJE-PLNGDYQASA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>17.07</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>35.67</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>13.4</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>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::CMs</type>
      <spectrum_id>12573</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>157042</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>88047</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>88048</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>88049</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>150690</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>150691</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>150692</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2816473</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2816474</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2816475</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2892680</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2892681</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2892682</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>4616</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>4617</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19242</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19243</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19244</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19245</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19246</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19247</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19248</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19249</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19250</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19251</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19252</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19253</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19254</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19255</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19256</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19257</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19258</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19259</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19260</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>19261</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB0031550</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>
  </foods>
  <flavors>
    <flavor>
      <name>berry</name>
    </flavor>
    <flavor>
      <name>cheese</name>
    </flavor>
    <flavor>
      <name>sweet</name>
    </flavor>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
