<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:11:50 UTC</creation_date>
  <update_date>2025-11-19 00:55:08 UTC</update_date>
  <accession>FDB015439</accession>
  <name>Potassium chloride</name>
  <description>Added to food as a flavour enhancer, flavouring agent, nutrient supplement, pH control agent, stabiliser or thickener</description>
  <synonyms>
    <synonym>E508</synonym>
    <synonym>Muriate of potash</synonym>
    <synonym>Sylvite</synonym>
  </synonyms>
  <chemical_formula>ClK</chemical_formula>
  <average_molecular_weight>74.551</average_molecular_weight>
  <monisotopic_moleculate_weight>73.932559568</monisotopic_moleculate_weight>
  <iupac_name>potassium chloride</iupac_name>
  <traditional_iupac>potassium chloride</traditional_iupac>
  <cas_registry_number>7447-40-7</cas_registry_number>
  <smiles>[Cl-].[K+]</smiles>
  <inchi>InChI=1S/ClH.K/h1H;/q;+1/p-1</inchi>
  <inchikey>WCUXLLCKKVVCTQ-UHFFFAOYSA-M</inchikey>
  <taxonomy>
    <description> belongs to the class of inorganic compounds known as alkali metal chlorides. These are inorganic compounds in which the largest halogen atom is Chlorine, and the heaviest metal atom is an alkali metal.</description>
    <direct_parent>Alkali metal chlorides</direct_parent>
    <kingdom>Inorganic compounds</kingdom>
    <super_class>Mixed metal/non-metal compounds</super_class>
    <class>Alkali metal salts</class>
    <sub_class>Alkali metal chlorides</sub_class>
    <molecular_framework/>
    <alternative_parents>
      <alternative_parent>Inorganic chloride salts</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>Alkali metal chloride</substituent>
      <substituent>Inorganic chloride salt</substituent>
      <substituent>Inorganic salt</substituent>
    </substituents>
    <external_descriptors>
      <external_descriptor>inorganic chloride</external_descriptor>
      <external_descriptor>potassium salt</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
  </predicted_properties>
  <experimental_properties>
    <property>
      <kind>melting_point</kind>
      <value>Mp 773°</value>
    </property>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>0.2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>-7</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>potassium chloride</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>74.551</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>73.932559568</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>[Cl-].[K+]</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>ClK</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/ClH.K/h1H;/q;+1/p-1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>WCUXLLCKKVVCTQ-UHFFFAOYSA-M</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>-1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formal_charge</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <pathways>
  </pathways>
  <spectra>
  </spectra>
  <hmdb_id/>
  <pubchem_compound_id/>
  <chemspider_id/>
  <kegg_id/>
  <chebi_id>32588</chebi_id>
  <biocyc_id/>
  <het_id/>
  <wikipidia/>
  <vmh_id/>
  <fbonto_id/>
  <foodb_id/>
  <general_references>
  </general_references>
  <foods>
  </foods>
  <flavors>
    <flavor>
      <name>bitter</name>
    </flavor>
    <flavor>
      <name>odorless</name>
    </flavor>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
