<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2016-05-19 02:30:12 UTC</creation_date>
  <update_date>2026-05-14 18:02:54 UTC</update_date>
  <accession/>
  <common_name>UNDECANAL</common_name>
  <class>SmallMolecule</class>
  <description>UNDECANAL belongs to the carbonyl compounds, a subclass of organooxygen compounds within the organic compounds. This organic oxygen compound has the chemical formula C11H22O and an average molecular weight of 170.29 g/mol. In industrial applications, it is utilized as a fragrance, as well as a flavouring and nutrient.

The compound is found in or released from 27 recorded sources. These include household cleaning and consumer products such as soap detergents, bleaching agents, pipe accessories, cigar cigarettes, and perfumes within detergents and soaps. It is associated with food, food processing and cookware through food contact materials, food preservation, the treatment of hops, and the preparation of wort, wine, or sparkling wine. Additional sources include drinking water, indoor air, and various electrical and electronic equipment, such as antennas, electric switches, discharge lamps, auxiliary devices, and conductors or conductive bodies characterised by the conductive materials. Exposure routes for the substance include oral, inhalation, and touch.

Regarding plastics, UNDECANAL is present in polystyrene and is released in polyethylene terephthalate. Results for its presence in polypropylene remain inconclusive.</description>
  <categories/>
  <types/>
  <synonyms/>
  <chemical_formula>C11H22O</chemical_formula>
  <average_molecular_weight>170.2918</average_molecular_weight>
  <monisotopic_moleculate_weight>170.167065326</monisotopic_moleculate_weight>
  <iupac_name>undecanal</iupac_name>
  <traditional_iupac>undecanal</traditional_iupac>
  <cas_registry_number>112-44-7</cas_registry_number>
  <smiles>CCCCCCCCCCC=O</smiles>
  <inchi>InChI=1S/C11H22O/c1-2-3-4-5-6-7-8-9-10-11-12/h11H,2-10H2,1H3</inchi>
  <inchikey>KMPQYAYAQWNLME-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <kingdom>Organic compounds</kingdom>
    <super_class>Organic oxygen compounds</super_class>
    <class>Organooxygen compounds</class>
    <sub_class>Carbonyl compounds</sub_class>
    <direct_parent>Medium-chain aldehydes</direct_parent>
    <alternate_parents>
      <alternative_parent>Alpha-hydrogen aldehydes</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
    </alternate_parents>
    <substituents>
      <substituent>Aliphatic acyclic compound</substituent>
      <substituent>Alpha-hydrogen aldehyde</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Medium-chain aldehyde</substituent>
      <substituent>Organic oxide</substituent>
    </substituents>
    <molecular_framework>Aliphatic acyclic compounds</molecular_framework>
    <descriptors>
      <descriptor>Fatty aldehydes</descriptor>
      <descriptor>fatty aldehyde</descriptor>
    </descriptors>
  </taxonomy>
  <status>Detected and Not Quantified</status>
  <origin/>
  <cellular_locations/>
  <biofluid_locations/>
  <tissue_locations/>
  <pathways/>
  <state/>
  <appearance/>
  <experimental_properties>
    <property>
      <kind>logp</kind>
      <value>3.88</value>
    </property>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>4.98</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-4.93</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>2.01e-03 g/l</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>3.88</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_acidic</kind>
      <value>17.79</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_basic</kind>
      <value>-6.9</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>undecanal</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>170.2918</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>170.167065326</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>CCCCCCCCCCC=O</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C11H22O</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/C11H22O/c1-2-3-4-5-6-7-8-9-10-11-12/h11H,2-10H2,1H3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>KMPQYAYAQWNLME-UHFFFAOYSA-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>53.15</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>22.77</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>9</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>
  </predicted_properties>
  <route_of_exposure/>
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  <lethaldose/>
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  <use_source/>
  <min_risk_level/>
  <health_effects>#&lt;HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f3baf9e2130&gt;</health_effects>
  <symptoms/>
  <treatment/>
  <drugbank_id>DB04093</drugbank_id>
  <hmdb_id/>
  <pubchem_compound_id>8186</pubchem_compound_id>
  <chembl_id/>
  <chemspider_id>7894</chemspider_id>
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