<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2016-05-19 04:02:43 UTC</creation_date>
  <update_date>2026-04-17 17:46:18 UTC</update_date>
  <accession/>
  <common_name>3-Methyl-2-butanone</common_name>
  <class>SmallMolecule</class>
  <description>3-Methyl-2-butanone is an organic compound with the formula C5H10O and an average molecular weight of 86.13 g/mol. 3-Methyl-2-butanone belongs to the carbonyl compounds, a subclass of organooxygen compounds within the organic compounds. In industrial applications, it serves as a solvent, a fragrance, and a flavouring and nutrient. Additionally, it is used in polypropylene plastics.

The compound is identified in 30 recorded sources across various sectors. Within the category of food, food processing, and cookware, it is found in food preservation, the preparation of vinegar, the preparation of malt, and fermentation processes for beer. It is also present in drinking water and water supply. In household cleaning and consumer products, it appears in bleaching agents, perfumes within detergents and soaps, cigar cigarettes, other smoking requisites, and non-electric simulated smoking devices. Other recorded sources include coins, tents or canopies, and electrical and electronic equipment, specifically discharge lamps, antennas, coils, conductors or conductive bodies characterised by the conductive materials, and cores yokes or armatures. The recorded route of exposure for this compound is oral.</description>
  <categories/>
  <types/>
  <synonyms>
    <synonym>3-methylbutan-2-one</synonym>
    <synonym>3-methylbutanone</synonym>
    <synonym>Methylisopropyl ketone</synonym>
  </synonyms>
  <chemical_formula>C5H10O</chemical_formula>
  <average_molecular_weight>86.1323</average_molecular_weight>
  <monisotopic_moleculate_weight>86.073164942</monisotopic_moleculate_weight>
  <iupac_name>3-methylbutan-2-one</iupac_name>
  <traditional_iupac>methyl isopropyl ketone</traditional_iupac>
  <cas_registry_number>563-80-4</cas_registry_number>
  <smiles>CC(C)C(C)=O</smiles>
  <inchi>InChI=1S/C5H10O/c1-4(2)5(3)6/h4H,1-3H3</inchi>
  <inchikey>SYBYTAAJFKOIEJ-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>Ketones</direct_parent>
    <alternate_parents>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
    </alternate_parents>
    <substituents>
      <substituent>Aliphatic acyclic compound</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Ketone</substituent>
      <substituent>Organic oxide</substituent>
    </substituents>
    <molecular_framework>Aliphatic acyclic compounds</molecular_framework>
    <descriptors>
      <descriptor>Oxygenated hydrocarbons</descriptor>
      <descriptor>a ketone</descriptor>
    </descriptors>
  </taxonomy>
  <status>Detected and Not Quantified</status>
  <origin/>
  <cellular_locations/>
  <biofluid_locations/>
  <tissue_locations/>
  <pathways/>
  <state/>
  <appearance/>
  <experimental_properties/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>0.78</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-0.44</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>3.11e+01 g/l</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>1.35</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_acidic</kind>
      <value>19.55</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_basic</kind>
      <value>-7.3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>3-methylbutan-2-one</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>86.1323</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>86.073164942</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>CC(C)C(C)=O</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C5H10O</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/C5H10O/c1-4(2)5(3)6/h4H,1-3H3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>SYBYTAAJFKOIEJ-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>25.4</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>10.17</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>
  </predicted_properties>
  <route_of_exposure/>
  <mechanism_of_toxicity/>
  <metabolism/>
  <toxicity/>
  <lethaldose/>
  <carcinogenicity/>
  <use_source/>
  <min_risk_level/>
  <health_effects>#&lt;HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f7226936378&gt;</health_effects>
  <symptoms/>
  <treatment/>
  <drugbank_id/>
  <hmdb_id/>
  <pubchem_compound_id>11251</pubchem_compound_id>
  <chembl_id/>
  <chemspider_id>10777</chemspider_id>
  <kegg_id/>
  <uniprot_id/>
  <omim_id/>
  <chebi_id/>
  <biocyc_id/>
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  <wikipidia/>
  <general_references/>
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</compound>
