<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:04:43 UTC</creation_date>
  <update_date>2015-07-20 21:34:41 UTC</update_date>
  <accession>FDB000809</accession>
  <name>(4-Methylphenyl)acetaldehyde</name>
  <description>Flavouring ingredient with bitter almond odour and flavour</description>
  <synonyms>
    <synonym>4-Methyl-benzeneacetaldehyde</synonym>
    <synonym>4-Methylbenzeneacetaldehyde</synonym>
    <synonym>4-Methylbenzeneacetaldehyde, 9CI</synonym>
    <synonym>Acetaldehyde, p-tolyl-</synonym>
    <synonym>Benzeneacetaldehyde, 4-methyl-</synonym>
    <synonym>FEMA 3071</synonym>
    <synonym>Methylphenylacetaldehyde, p-</synonym>
    <synonym>P-Methylphenylacetaldehyde</synonym>
    <synonym>P-tolyl-acetaldehyde</synonym>
    <synonym>P-tolylacetaldehyde</synonym>
    <synonym>p-Tolylacetaldehyde, 8CI</synonym>
    <synonym>P-tolylactaldehyde</synonym>
  </synonyms>
  <chemical_formula>C9H10O</chemical_formula>
  <average_molecular_weight>134.1751</average_molecular_weight>
  <monisotopic_moleculate_weight>134.073164942</monisotopic_moleculate_weight>
  <iupac_name>2-(4-methylphenyl)acetaldehyde</iupac_name>
  <traditional_iupac>benzeneacetaldehyde, 4-methyl-</traditional_iupac>
  <cas_registry_number>104-09-6</cas_registry_number>
  <smiles>CC1=CC=C(CC=O)C=C1</smiles>
  <inchi>InChI=1S/C9H10O/c1-8-2-4-9(5-3-8)6-7-10/h2-5,7H,6H2,1H3</inchi>
  <inchikey>CIXAYNMKFFQEFU-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as phenylacetaldehydes. Phenylacetaldehydes are compounds containing a phenylacetaldehyde moiety, which consists of a phenyl group substituted at the second position by an acetalydehyde.</description>
    <direct_parent>Phenylacetaldehydes</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Benzenoids</super_class>
    <class>Benzene and substituted derivatives</class>
    <sub_class>Phenylacetaldehydes</sub_class>
    <molecular_framework>Aromatic homomonocyclic compounds</molecular_framework>
    <alternative_parents>
      <alternative_parent>Alpha-hydrogen aldehydes</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Toluenes</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>Aldehyde</substituent>
      <substituent>Alpha-hydrogen aldehyde</substituent>
      <substituent>Aromatic homomonocyclic compound</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Phenylacetaldehyde</substituent>
      <substituent>Toluene</substituent>
    </substituents>
    <external_descriptors>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>2.06</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-2.53</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>3.92e-01 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
    <property>
      <kind>melting_point</kind>
      <value>Mp 40°</value>
    </property>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>1.97</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>15.14</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-7</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>2-(4-methylphenyl)acetaldehyde</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>134.1751</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>134.073164942</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>CC1=CC=C(CC=O)C=C1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C9H10O</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C9H10O/c1-8-2-4-9(5-3-8)6-7-10/h2-5,7H,6H2,1H3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>CIXAYNMKFFQEFU-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>41.48</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>15.09</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::MsIr</type>
      <spectrum_id>3521</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>3522</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>22894</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>155591</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>90855</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>90856</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>90857</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>154116</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>154117</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>154118</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2403401</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2403402</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2403403</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2535686</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2535687</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2535688</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB29639</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:0x000055ce30cbe900&gt;</reference>
  </general_references>
  <foods>
  </foods>
  <flavors>
    <flavor>
      <name>cortex</name>
    </flavor>
    <flavor>
      <name>fresh</name>
    </flavor>
    <flavor>
      <name>green</name>
    </flavor>
    <flavor>
      <name>lilac</name>
    </flavor>
    <flavor>
      <name>narcissus</name>
    </flavor>
    <flavor>
      <name>sweet</name>
    </flavor>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
