<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2016-05-19 04:42:08 UTC</creation_date>
  <update_date>2026-08-26 00:24:47 UTC</update_date>
  <accession/>
  <common_name>Fluorosulfuric acid</common_name>
  <class>SmallMolecule</class>
  <description>Fluorosulfuric acid is an inorganic compound with the chemical formula FHO3S and an average molecular weight of 100.06 g/mol. Fluorosulfuric acid belongs to the halogen oxides, a subclass of halogen organides within the inorganic compounds.

This substance is found in or released from 19 recorded sources. Within the category of electrical and electronic equipment, these sources include antennas, coils, communication cables or conductors, adjustable resistors, and auxiliary devices, among 9 others. It is also associated with household cleaning and consumer products, specifically bleaching agents, tobacco smoke filters, and non electric simulated smoking devices. Additionally, fluorosulfuric acid is linked to building and construction through stairs and ramps, as well as food, food processing and cookware via fermentation processes for beer.</description>
  <categories/>
  <types/>
  <synonyms>
    <synonym>Fluorosulfonic acid</synonym>
  </synonyms>
  <chemical_formula>FHO3S</chemical_formula>
  <average_molecular_weight>100.06</average_molecular_weight>
  <monisotopic_moleculate_weight>99.963043229</monisotopic_moleculate_weight>
  <iupac_name>oxidanesulfonyl fluoride</iupac_name>
  <traditional_iupac>oxidanesulfonyl fluoride</traditional_iupac>
  <cas_registry_number>7789-21-1</cas_registry_number>
  <smiles>OS(F)(=O)=O</smiles>
  <inchi>InChI=1S/FHO3S/c1-5(2,3)4/h(H,2,3,4)</inchi>
  <inchikey>UQSQSQZYBQSBJZ-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <kingdom>Inorganic compounds</kingdom>
    <super_class>Homogeneous non-metal compounds</super_class>
    <class>Halogen organides</class>
    <sub_class>Halogen oxides</sub_class>
    <direct_parent>Halogen oxides</direct_parent>
    <alternate_parents>
      <alternative_parent>Inorganic oxides</alternative_parent>
    </alternate_parents>
    <substituents>
      <substituent>Halogen oxide</substituent>
      <substituent>Inorganic oxide</substituent>
    </substituents>
    <molecular_framework/>
    <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>-0.3</value>
    </property>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>-0.36</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_acidic</kind>
      <value>-4</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>oxidanesulfonyl fluoride</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>100.06</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>99.963043229</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>OS(F)(=O)=O</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>FHO3S</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/FHO3S/c1-5(2,3)4/h(H,2,3,4)</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>UQSQSQZYBQSBJZ-UHFFFAOYSA-N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>54.37</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>12.71</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>5.9</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>acceptor_count</kind>
      <value>3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>donor_count</kind>
      <value>1</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:0x00007f722740de90&gt;</health_effects>
  <symptoms/>
  <treatment/>
  <drugbank_id/>
  <hmdb_id/>
  <pubchem_compound_id>24603</pubchem_compound_id>
  <chembl_id/>
  <chemspider_id/>
  <kegg_id/>
  <uniprot_id/>
  <omim_id/>
  <chebi_id/>
  <biocyc_id/>
  <ctd_id/>
  <stitch_id/>
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  <pdb_id/>
  <wikipidia/>
  <general_references/>
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</compound>
