<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2026-04-04 18:50:19 UTC</creation_date>
  <update_date>2026-08-23 01:58:51 UTC</update_date>
  <accession/>
  <common_name>1,2-Epoxycyclopentane</common_name>
  <class>SmallMolecule</class>
  <description>1,2-Epoxycyclopentane is an organic compound with the formula C5H8O and an average molecular weight of 84.12 g/mol. 1,2-Epoxycyclopentane belongs to the oxanes, a class of organoheterocyclic compounds within the organic compounds.

This substance is found in or released from 10 recorded sources across several sectors. Within the category of electrical and electronic equipment, it is associated with antennas, conductors or conductive bodies characterised by the conductive materials, electric switches, electrodes, fixed capacitors and their manufacture, as well as two additional sources. It is also identified in household cleaning and consumer products, specifically in soap detergents and cigar cigarettes. Furthermore, it is found in building and construction materials, specifically in ceilings.</description>
  <categories/>
  <types/>
  <synonyms/>
  <chemical_formula>C5H8O</chemical_formula>
  <average_molecular_weight>84.118</average_molecular_weight>
  <monisotopic_moleculate_weight>84.05751488</monisotopic_moleculate_weight>
  <iupac_name/>
  <traditional_iupac/>
  <cas_registry_number/>
  <smiles>C1CC2OC2C1</smiles>
  <inchi>InChI=1/C5H8O/c1-2-4-5(3-1)6-4/h4-5H,1-3H2</inchi>
  <inchikey>GJEZBVHHZQAEDB-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <kingdom/>
    <super_class/>
    <class/>
    <sub_class/>
    <direct_parent/>
    <alternate_parents/>
    <substituents/>
    <molecular_framework/>
    <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>0.8</value>
    </property>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>average_mass</kind>
      <value>84.118</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>84.05751488</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>C1CC2OC2C1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C5H8O</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1/C5H8O/c1-2-4-5(3-1)6-4/h4-5H,1-3H2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>GJEZBVHHZQAEDB-UHFFFAOYSA-N</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:0x00007f722705d840&gt;</health_effects>
  <symptoms/>
  <treatment/>
  <drugbank_id/>
  <hmdb_id/>
  <pubchem_compound_id>9244</pubchem_compound_id>
  <chembl_id/>
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  <uniprot_id/>
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  <chebi_id/>
  <biocyc_id/>
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  <wikipidia/>
  <general_references/>
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