<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:10:44 UTC</creation_date>
  <update_date>2025-11-18 23:45:08 UTC</update_date>
  <accession>FDB013485</accession>
  <name>Zinc chloride</name>
  <description>Nutrient supplement

A number of salts containing the tetrachlorozincate anion, ZnCl2?4, are known. "Caulton's reagent," V2Cl3(thf)6Zn2Cl6 is an example of a salt containing Zn2Cl2?6. The compound Cs3ZnCl5 contains tetrahedral ZnCl2?4 and Cl? anions. No compounds containing the ZnCl4?6 ion have been characterized.; Four crystalline forms, (polymorphs) , of ZnCl2 are known, and in each case the Zn2+ ions are trigonal planar coordinated to four chloride ions. The pure anhydrous orthorhombic form rapidly changes to one of the other forms on exposure to the atmosphere and a possible explanation is that the presence of OH? facilitates the rearrangement. Rapid cooling of molten ZnCl2 gives a glass, that is, a rigid amorphous solid and this ability has been related to the structure in the melt.</description>
  <synonyms>
    <synonym>Butter of zinc</synonym>
    <synonym>Chlorure de zinc</synonym>
    <synonym>Dichlorozinc</synonym>
    <synonym>Hexite</synonym>
    <synonym>Hydrochloric acid zinc salt (2:1)</synonym>
    <synonym>Tinning flux</synonym>
    <synonym>Zinc (chlorure de)</synonym>
    <synonym>Zinc butter</synonym>
    <synonym>Zinc chloride (JP15/USP)</synonym>
    <synonym>Zinc chloride (TN)</synonym>
    <synonym>Zinc chloride (ZnCl2)</synonym>
    <synonym>Zinc chloride [usan:jan]</synonym>
    <synonym>Zinc chloride fume</synonym>
    <synonym>zinc chloride, (65)Zn-labeled</synonym>
    <synonym>Zinc chloride, anhydrous</synonym>
    <synonym>Zinc chloride, anhydrous [UN2331] [Corrosive]</synonym>
    <synonym>Zinc dichloride</synonym>
    <synonym>Zinc muriate</synonym>
    <synonym>Zinc(II) chloride</synonym>
    <synonym>Zinco</synonym>
    <synonym>Zinco (cloruro di)</synonym>
    <synonym>Zinctrace</synonym>
    <synonym>Zine dichloride</synonym>
    <synonym>Zinkchlorid</synonym>
    <synonym>Zinkchlorid (german)</synonym>
    <synonym>Zinkchloride</synonym>
    <synonym>Zintrace</synonym>
    <synonym>ZnCl2</synonym>
  </synonyms>
  <chemical_formula>Cl2Zn</chemical_formula>
  <average_molecular_weight>136.315</average_molecular_weight>
  <monisotopic_moleculate_weight>133.866851992</monisotopic_moleculate_weight>
  <iupac_name>zinc(2+) ion dichloride</iupac_name>
  <traditional_iupac>zinc(2+) ion dichloride</traditional_iupac>
  <cas_registry_number>7646-85-7</cas_registry_number>
  <smiles>[Cl-].[Cl-].[Zn++]</smiles>
  <inchi>InChI=1S/2ClH.Zn/h2*1H;/q;;+2/p-2</inchi>
  <inchikey>JIAARYAFYJHUJI-UHFFFAOYSA-L</inchikey>
  <taxonomy>
    <description> belongs to the class of inorganic compounds known as transition metal chlorides. These are inorganic compounds in which the largest halogen atom is Chlorine, and the heaviest metal atom is a transition metal.</description>
    <direct_parent>Transition metal chlorides</direct_parent>
    <kingdom>Inorganic compounds</kingdom>
    <super_class>Mixed metal/non-metal compounds</super_class>
    <class>Transition metal salts</class>
    <sub_class>Transition metal chlorides</sub_class>
    <molecular_framework/>
    <alternative_parents>
      <alternative_parent>Inorganic chloride salts</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>Inorganic chloride salt</substituent>
      <substituent>Inorganic salt</substituent>
      <substituent>Transition metal chloride</substituent>
    </substituents>
    <external_descriptors>
      <external_descriptor>inorganic chloride</external_descriptor>
      <external_descriptor>zinc molecular entity</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>0.91</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-0.47</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>4.61e+01 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
    <property>
      <kind>melting_point</kind>
      <value>Mp 318°</value>
    </property>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>0.61</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>-7</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>zinc(2+) ion dichloride</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>136.315</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>133.866851992</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>[Cl-].[Cl-].[Zn++]</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>Cl2Zn</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/2ClH.Zn/h2*1H;/q;;+2/p-2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>JIAARYAFYJHUJI-UHFFFAOYSA-L</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>5.62</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>2.39</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>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>84444</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>84445</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>84446</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>146301</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>146302</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>146303</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB34904</hmdb_id>
  <pubchem_compound_id/>
  <chemspider_id/>
  <kegg_id/>
  <chebi_id>49976</chebi_id>
  <biocyc_id/>
  <het_id/>
  <wikipidia/>
  <vmh_id/>
  <fbonto_id/>
  <foodb_id/>
  <general_references>
  </general_references>
  <foods>
  </foods>
  <flavors>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
