<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2026-08-26 00:15:29 UTC</creation_date>
  <update_date>2026-08-26 00:15:29 UTC</update_date>
  <accession/>
  <common_name>N-methylidenehydroxylamine</common_name>
  <class>SmallMolecule</class>
  <description>N-methylidenehydroxylamine is an organic nitrogen compound with the chemical formula CH3NO and an average molecular weight of 45.04 g/mol. N-methylidenehydroxylamine belongs to the oximes, a subclass of organonitrogen compounds within the organic compounds.

This compound is found in or released from 55 recorded sources across several diverse categories. Within electrical and electronic equipment, it is associated with amplifiers, antennas, coils, auxiliary devices, and adjustable resistors, among 26 other sources. In the context of household cleaning and consumer products, it is found in bleaching agents, perfumes within detergents and soaps, cigar cigarettes, other smoking requisites, and non electric simulated smoking devices, as well as 6 additional sources. Building and construction materials linked to the compound include ceilings, fencing, floors, and sunshades awnings or outside screens. Furthermore, N-methylidenehydroxylamine is present in food, food processing, and cookware, specifically in the processing of meats, food preservation, the preparation of malt, fermentation processes for beer, and the preparation of wine or sparkling wine. Finally, the compound is found in certain household items, including key rings and coins.</description>
  <categories/>
  <types/>
  <synonyms/>
  <chemical_formula>CH3NO</chemical_formula>
  <average_molecular_weight>45.041</average_molecular_weight>
  <monisotopic_moleculate_weight>45.02146372</monisotopic_moleculate_weight>
  <iupac_name/>
  <traditional_iupac/>
  <cas_registry_number>75-17-2</cas_registry_number>
  <smiles/>
  <inchi>InChI=1S/CH3NO/c1-2-3/h3H,1H2</inchi>
  <inchikey>SQDFHQJTAWCFIB-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>1.5</value>
    </property>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>average_mass</kind>
      <value>45.041</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>45.02146372</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>CH3NO</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/CH3NO/c1-2-3/h3H,1H2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>SQDFHQJTAWCFIB-UHFFFAOYSA-N</value>
      <source>ChemAxon</source>
    </property>
  </predicted_properties>
  <route_of_exposure/>
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  <metabolism/>
  <toxicity/>
  <lethaldose/>
  <carcinogenicity/>
  <use_source/>
  <min_risk_level/>
  <health_effects>#&lt;HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f3baf9ed210&gt;</health_effects>
  <symptoms/>
  <treatment/>
  <drugbank_id/>
  <hmdb_id/>
  <pubchem_compound_id>6350</pubchem_compound_id>
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