<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2016-05-19 03:12:54 UTC</creation_date>
  <update_date>2026-04-16 22:43:08 UTC</update_date>
  <accession/>
  <common_name>Phosphorus pentoxide</common_name>
  <class>SmallMolecule</class>
  <description>Phosphorus pentoxide is an inorganic compound with the chemical formula O5P2 and an average molecular weight of 141.94 g/mol. Phosphorus pentoxide belongs to the other non-metal oxides, a subclass of other non-metal organides within the inorganic compounds. It is further classified under the superclass of homogeneous non-metal compounds.

In industrial applications, the compound serves several roles, functioning as a catalyst, a flame retardant, a pH regulating agent, and a chelating agent. Phosphorus pentoxide is identified in ten recorded sources. Within electrical and electronic equipment, it is found in antennas, amplifiers, auxiliary devices, cores yokes or armatures, and gas filled discharge tubes with solid cathode, among three other components. Additionally, it is released from other smoking requisites in the category of household cleaning and consumer products, and it is utilized in the processing of fish within the food, food processing and cookware sector.</description>
  <categories/>
  <types/>
  <synonyms/>
  <chemical_formula>O5P2</chemical_formula>
  <average_molecular_weight>141.943</average_molecular_weight>
  <monisotopic_moleculate_weight>141.922097096</monisotopic_moleculate_weight>
  <iupac_name>diphosphooxidane</iupac_name>
  <traditional_iupac>diphosphooxidane</traditional_iupac>
  <cas_registry_number>1314-56-3</cas_registry_number>
  <smiles>O=P(=O)OP(=O)=O</smiles>
  <inchi>InChI=1S/O5P2/c1-6(2)5-7(3)4</inchi>
  <inchikey>YWEUIGNSBFLMFL-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <kingdom>Inorganic compounds</kingdom>
    <super_class>Homogeneous non-metal compounds</super_class>
    <class>Other non-metal organides</class>
    <sub_class>Other non-metal oxides</sub_class>
    <direct_parent>Other non-metal oxides</direct_parent>
    <alternate_parents>
      <alternative_parent>Inorganic oxides</alternative_parent>
    </alternate_parents>
    <substituents>
      <substituent>Inorganic oxide</substituent>
      <substituent>Other non-metal 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/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>-0.47</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>diphosphooxidane</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>141.943</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>141.922097096</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>O=P(=O)OP(=O)=O</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>O5P2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/O5P2/c1-6(2)5-7(3)4</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>YWEUIGNSBFLMFL-UHFFFAOYSA-N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>77.51</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>20.79</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>7.21</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>acceptor_count</kind>
      <value>4</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>
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  <hmdb_id/>
  <pubchem_compound_id>6326975</pubchem_compound_id>
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</compound>
