<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2016-05-19 02:55:30 UTC</creation_date>
  <update_date>2026-08-26 00:26:45 UTC</update_date>
  <accession/>
  <common_name>Hydriodic acid</common_name>
  <class>SmallMolecule</class>
  <description>Hydriodic acid is an inorganic compound with the chemical formula HI and an average molecular weight of 127.91 g/mol. Hydriodic acid belongs to the halogen hydrides, a subclass of halogen organides within the inorganic compounds. It is further categorized under the superclass of homogeneous non-metal compounds.

The substance is found in or released from 54 recorded sources across various sectors. In electrical and electronic equipment, it is associated with antennas, amplifiers, adjustable resistors, coils, and auxiliary devices, among 25 other sources. Within the realm of food, food processing, and cookware, it is linked to the preparation of malt, wort, and vinegar, as well as fermentation processes for beer and the preparation of wine or sparkling wine, among three others. Household cleaning and consumer products serve as sources, including soap dispensers, bleaching agents, cigar cigarettes, pipe accessories, and other smoking requisites, along with three additional items. In building and construction, the compound is found in ceilings, floors, roofs, fencing, and stairs and ramps, plus two other sources. Additionally, it is recorded in household items such as watch chains.</description>
  <categories/>
  <types/>
  <synonyms/>
  <chemical_formula>HI</chemical_formula>
  <average_molecular_weight>127.9124</average_molecular_weight>
  <monisotopic_moleculate_weight>127.912293452</monisotopic_moleculate_weight>
  <iupac_name>hydrogen iodide</iupac_name>
  <traditional_iupac>hydrogen iodide</traditional_iupac>
  <cas_registry_number>10034-85-2</cas_registry_number>
  <smiles>I</smiles>
  <inchi>InChI=1S/HI/h1H</inchi>
  <inchikey>XMBWDFGMSWQBCA-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <kingdom>Inorganic compounds</kingdom>
    <super_class>Homogeneous non-metal compounds</super_class>
    <class>Halogen organides</class>
    <sub_class>Halogen hydrides</sub_class>
    <direct_parent>Halogen hydrides</direct_parent>
    <alternate_parents>
      <alternative_parent>Inorganic hydrides</alternative_parent>
    </alternate_parents>
    <substituents>
      <substituent>Halogen hydride</substituent>
      <substituent>Inorganic hydride</substituent>
    </substituents>
    <molecular_framework/>
    <descriptors>
      <descriptor>an iodide</descriptor>
      <descriptor>hydrogen halide</descriptor>
      <descriptor>mononuclear parent hydride</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>1.02</value>
    </property>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>1.02</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_acidic</kind>
      <value>-9</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>hydrogen iodide</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>127.9124</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>127.912293452</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>I</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>HI</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/HI/h1H</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>XMBWDFGMSWQBCA-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>14.75</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>5.53</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>
  </predicted_properties>
  <route_of_exposure/>
  <mechanism_of_toxicity/>
  <metabolism/>
  <toxicity/>
  <lethaldose/>
  <carcinogenicity/>
  <use_source/>
  <min_risk_level/>
  <health_effects>#&lt;HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f7225c7cd08&gt;</health_effects>
  <symptoms/>
  <treatment/>
  <drugbank_id>DB15778</drugbank_id>
  <hmdb_id/>
  <pubchem_compound_id>24841</pubchem_compound_id>
  <chembl_id/>
  <chemspider_id/>
  <kegg_id/>
  <uniprot_id/>
  <omim_id/>
  <chebi_id/>
  <biocyc_id/>
  <ctd_id/>
  <stitch_id/>
  <actor_id/>
  <pdb_id/>
  <wikipidia/>
  <general_references/>
  <targets/>
</compound>
