<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2016-05-25 02:34:36 UTC</creation_date>
  <update_date>2026-08-22 16:05:25 UTC</update_date>
  <accession/>
  <common_name>Alloxan</common_name>
  <class>SmallMolecule</class>
  <description>Alloxan is an organic compound with the chemical formula C4H2N2O4 and an average molecular weight of 142.07 g/mol. Alloxan belongs to the pyrimidines and pyrimidine derivatives, a subclass of diazines within the organic compounds. It is further categorized under the superclass of organoheterocyclic compounds.

The substance is found in or released from 14 recorded sources across several categories. Within household cleaning and consumer products, it is associated with bleaching agents, perfumes within detergents and soaps, soap detergents, cigar cigarettes, and non electric simulated smoking devices. Its presence in electrical and electronic equipment includes electrodes, hybrid capacitors, sparking plugs, conductors or conductive bodies characterised by the conductive materials, and electrically stimulated smoking devices. Additionally, it is linked to food, food processing and cookware, specifically in the preparation of vinegar, the preparation of wine or sparkling wine, and food preservation.</description>
  <categories/>
  <types/>
  <synonyms/>
  <chemical_formula>C4H2N2O4</chemical_formula>
  <average_molecular_weight>142.0697</average_molecular_weight>
  <monisotopic_moleculate_weight>142.001456562</monisotopic_moleculate_weight>
  <iupac_name>1,3-diazinane-2,4,5,6-tetrone</iupac_name>
  <traditional_iupac>alloxan</traditional_iupac>
  <cas_registry_number>50-71-5</cas_registry_number>
  <smiles>O=C1NC(=O)C(=O)C(=O)N1</smiles>
  <inchi>InChI=1S/C4H2N2O4/c7-1-2(8)5-4(10)6-3(1)9/h(H2,5,6,8,9,10)</inchi>
  <inchikey>HIMXGTXNXJYFGB-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <kingdom>Organic compounds</kingdom>
    <super_class>Organoheterocyclic compounds</super_class>
    <class>Diazines</class>
    <sub_class>Pyrimidines and pyrimidine derivatives</sub_class>
    <direct_parent>Pyrimidones</direct_parent>
    <alternate_parents>
      <alternative_parent>Azacyclic compounds</alternative_parent>
      <alternative_parent>Cyclic ketones</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Hydropyrimidines</alternative_parent>
      <alternative_parent>Organic carbonic acids and derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Organonitrogen compounds</alternative_parent>
      <alternative_parent>Organopnictogen compounds</alternative_parent>
      <alternative_parent>Propargyl-type 1,3-dipolar organic compounds</alternative_parent>
    </alternate_parents>
    <substituents>
      <substituent>2,5-dihydropyrimidine</substituent>
      <substituent>Aliphatic heteromonocyclic compound</substituent>
      <substituent>Azacycle</substituent>
      <substituent>Carbonic acid derivative</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Cyclic ketone</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Hydropyrimidine</substituent>
      <substituent>Ketone</substituent>
      <substituent>Organic 1,3-dipolar compound</substituent>
      <substituent>Organic nitrogen compound</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organonitrogen compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Organopnictogen compound</substituent>
      <substituent>Propargyl-type 1,3-dipolar organic compound</substituent>
      <substituent>Pyrimidone</substituent>
    </substituents>
    <molecular_framework>Aliphatic heteromonocyclic compounds</molecular_framework>
    <descriptors>
      <descriptor>an amine</descriptor>
      <descriptor>pyrimidone</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>-1</value>
    </property>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>-0.85</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-1.14</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>1.02e+01 g/l</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>-0.91</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_acidic</kind>
      <value>7.07</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>1,3-diazinane-2,4,5,6-tetrone</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>142.0697</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>142.001456562</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>O=C1NC(=O)C(=O)C(=O)N1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C4H2N2O4</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/C4H2N2O4/c7-1-2(8)5-4(10)6-3(1)9/h(H2,5,6,8,9,10)</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>HIMXGTXNXJYFGB-UHFFFAOYSA-N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>92.34</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>26.77</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>10.3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>acceptor_count</kind>
      <value>4</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>donor_count</kind>
      <value>2</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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  <symptoms/>
  <treatment/>
  <drugbank_id/>
  <hmdb_id/>
  <pubchem_compound_id>5781</pubchem_compound_id>
  <chembl_id/>
  <chemspider_id>5577</chemspider_id>
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</compound>
