<?xml version="1.0" encoding="UTF-8"?>
<metabolite>
  <version>1.0</version>
  <creation_date>2016-09-30 23:05:35 UTC</creation_date>
  <update_date>2020-06-04 19:00:00 UTC</update_date>
  <accession>BMDB0003625</accession>
  <secondary_accessions>
    <accession>BMDB03625</accession>
  </secondary_accessions>
  <name>Mercury</name>
  <description>Mercury, also known as HG2+ or mercuric ion, belongs to the class of inorganic compounds known as homogeneous transition metal compounds. These are inorganic compounds containing only metal atoms,with the largest atom being a transition metal atom. Mercury exists as a solid, possibly soluble (in water), and possibly neutral molecule. Mercury is a potentially toxic compound.</description>
  <synonyms>
    <synonym>HG2+</synonym>
    <synonym>HG(2+)</synonym>
    <synonym>Mercuric ion</synonym>
    <synonym>MERCURY (II) ion</synonym>
    <synonym>Mercury(2+) ion</synonym>
    <synonym>Mercury(II)</synonym>
    <synonym>Mercury(II) cation</synonym>
    <synonym>Hg</synonym>
    <synonym>Hydrargyrum</synonym>
    <synonym>Quicksilver</synonym>
  </synonyms>
  <chemical_formula>Hg</chemical_formula>
  <average_molecular_weight>200.59</average_molecular_weight>
  <monisotopic_moleculate_weight>201.970625604</monisotopic_moleculate_weight>
  <iupac_name>mercury(2+) ion</iupac_name>
  <traditional_iupac>mercury(2+) ion</traditional_iupac>
  <cas_registry_number>14302-87-5</cas_registry_number>
  <smiles>[Hg++]</smiles>
  <inchi>InChI=1S/Hg/q+2</inchi>
  <inchikey>BQPIGGFYSBELGY-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of inorganic compounds known as homogeneous transition metal compounds. These are inorganic compounds containing only metal atoms,with the largest atom being a transition metal atom.</description>
    <kingdom>Inorganic compounds</kingdom>
    <super_class>Homogeneous metal compounds</super_class>
    <class>Homogeneous transition metal compounds</class>
    <sub_class/>
    <direct_parent>Homogeneous transition metal compounds</direct_parent>
    <alternative_parents>
      <alternative_parent>Inorganic mercury compounds</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>Homogeneous transition metal</substituent>
      <substituent>Inorganic mercury compound</substituent>
    </substituents>
    <molecular_framework/>
    <external_descriptors>
      <external_descriptor>a cation</external_descriptor>
      <external_descriptor>divalent metal cation</external_descriptor>
      <external_descriptor>mercury cation</external_descriptor>
      <external_descriptor>monoatomic dication</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <experimental_properties>
    <state>Liquid</state>
    <property>
      <kind>melting_point</kind>
      <value>-38.8 °C</value>
      <source/>
    </property>
    <property>
      <kind>water_solubility</kind>
      <value>6e-05 mg/mL at 25 °C</value>
      <source/>
    </property>
    <property>
      <kind>logp</kind>
      <value>0.62</value>
      <source>DAYLIGHT (1999)</source>
    </property>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>0.62</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>mercury(2+) ion</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>200.59</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>201.970625604</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>[Hg++]</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>Hg</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/Hg/q+2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>BQPIGGFYSBELGY-UHFFFAOYSA-N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>1.78</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>acceptor_count</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>donor_count</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>physiological_charge</kind>
      <value>2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formal_charge</kind>
      <value>2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>number_of_rings</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>bioavailability</kind>
      <value>1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rule_of_five</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>ghose_filter</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>veber_rule</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mddr_like_rule</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
  </predicted_properties>
  <pathways>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>59694</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>59695</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>59696</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>115890</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>115891</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>115892</spectrum_id>
    </spectrum>
  </spectra>
  <normal_concentrations>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.00174 +/- 0.0000499</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>full cream, 3.8% milk by ICP-MS. Samples were sonicated inside an ultrasound water bath for 10 min. </comment>
      <references>
        <reference>
          <reference_text>Patricia Cava-Montesinos, M. Luisa Cervera Agustín Pastor Miguel de la Guardia. 2005. Room temperature acid sonication ICP-MS multielemental analysis of milk.Analytica Chimica Acta Volume 531, Issue 1, Pages 111-123</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.000409 +/- 0.0000199</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>Skim milk by ICP-MS. Samples were sonicated inside an ultrasound water bath for 10 min. </comment>
      <references>
        <reference>
          <reference_text>Patricia Cava-Montesinos, M. Luisa Cervera Agustín Pastor Miguel de la Guardia. 2005. Room temperature acid sonication ICP-MS multielemental analysis of milk.Analytica Chimica Acta Volume 531, Issue 1, Pages 111-123</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.00145 +/- 0.0000499</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>full cream, 3.8% milk by ICP-MS.  Samples were analyzed after a microwave-assisted digestion</comment>
      <references>
        <reference>
          <reference_text>Patricia Cava-Montesinos, M. Luisa Cervera Agustín Pastor Miguel de la Guardia. 2005. Room temperature acid sonication ICP-MS multielemental analysis of milk.Analytica Chimica Acta Volume 531, Issue 1, Pages 111-123</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
  </normal_concentrations>
  <foodb_id>FDB030905</foodb_id>
  <pubchem_compound_id>26623</pubchem_compound_id>
  <kegg_id>C00703</kegg_id>
  <chemspider_id>24800</chemspider_id>
  <knapsack_id/>
  <chebi_id>16793</chebi_id>
  <pdbe_id/>
  <meta_cyc_id/>
  <drugbank_id/>
  <phenol_explorer_compound_id/>
  <bigg_id/>
  <wikipedia_id>Mercury</wikipedia_id>
  <metlin_id/>
  <synthesis_reference/>
  <general_references>
    <reference>
      <reference_text>Patricia Cava-Montesinos, M. Luisa Cervera Agustín Pastor Miguel de la Guardia. 2005. Room temperature acid sonication ICP-MS multielemental analysis of milk.Analytica Chimica Acta Volume 531, Issue 1, Pages 111-123</reference_text>
    </reference>
  </general_references>
  <protein_associations>
  </protein_associations>
</metabolite>
