<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2016-05-19 03:07:50 UTC</creation_date>
  <update_date>2026-08-26 00:09:41 UTC</update_date>
  <accession/>
  <common_name>Boron carbide</common_name>
  <class>SmallMolecule</class>
  <description>Boron carbide is an inorganic compound with the chemical formula CB4 and an average molecular weight of 55.25 g/mol. Boron carbide belongs to the miscellaneous mixed metal/non-metals, a class of mixed metal/non-metal compounds within the inorganic compounds.

This substance is found in or released from 33 recorded sources. Within the category of electrical and electronic equipment, it is associated with amplifiers, antennas, adjustable resistors, coils, auxiliary devices, and 22 additional items. In the context of building and construction, it is linked to ceilings, roofs, stairs and ramps, and tents or canopies. Furthermore, boron carbide is found in household items such as key rings and in household cleaning and consumer products, specifically other smoking requisites.</description>
  <categories/>
  <types/>
  <synonyms/>
  <chemical_formula>CB4</chemical_formula>
  <average_molecular_weight>55.25</average_molecular_weight>
  <monisotopic_moleculate_weight>56.03722</monisotopic_moleculate_weight>
  <iupac_name>2,3,4,5-tetraboratetracyclo[2.1.0.0¹,³.0²,⁵]pentane</iupac_name>
  <traditional_iupac>boron carbide</traditional_iupac>
  <cas_registry_number>12069-32-8</cas_registry_number>
  <smiles>B12B3B4B1C234</smiles>
  <inchi>InChI=1S/CB4/c2-1-3(2)5(1)4(1)2</inchi>
  <inchikey>INAHAJYZKVIDIZ-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <kingdom>Inorganic compounds</kingdom>
    <super_class>Mixed metal/non-metal compounds</super_class>
    <class>Miscellaneous mixed metal/non-metals</class>
    <sub_class/>
    <direct_parent>Miscellaneous mixed metal/non-metals</direct_parent>
    <alternate_parents>
      <alternative_parent>Carbides</alternative_parent>
      <alternative_parent>Inorganic salts</alternative_parent>
      <alternative_parent>Metalloid salts</alternative_parent>
      <alternative_parent>Monoalkylboranes</alternative_parent>
    </alternate_parents>
    <substituents>
      <substituent>Alkylborane</substituent>
      <substituent>Carbide</substituent>
      <substituent>Inorganic metalloid salt</substituent>
      <substituent>Inorganic salt</substituent>
      <substituent>Miscellaneous mixed metal/non-metal</substituent>
      <substituent>Monoalkylborane</substituent>
    </substituents>
    <molecular_framework/>
    <descriptors/>
  </taxonomy>
  <status>Detected and Not Quantified</status>
  <origin/>
  <cellular_locations/>
  <biofluid_locations/>
  <tissue_locations/>
  <pathways/>
  <state/>
  <appearance/>
  <experimental_properties/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>-1.01</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>0.63</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>2.36e+02 g/l</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>5.23</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>2,3,4,5-tetraboratetracyclo[2.1.0.0¹,³.0²,⁵]pentane</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>55.25</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>56.03722</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>B12B3B4B1C234</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>CB4</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/CB4/c2-1-3(2)5(1)4(1)2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>INAHAJYZKVIDIZ-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>2.3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>6.67</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>0</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:0x00007f3bd0055010&gt;</health_effects>
  <symptoms/>
  <treatment/>
  <drugbank_id/>
  <hmdb_id/>
  <pubchem_compound_id>123279</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>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
  </targets>
</compound>
