<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:10:40 UTC</creation_date>
  <update_date>2025-11-18 23:43:56 UTC</update_date>
  <accession>FDB013363</accession>
  <name>Ammonium dihydrogenphosphate</name>
  <description>It is used in food as a source of acidity, pH control agent, buffering agent, leavening agent, dough strengthener and nutrient source; also used as a yeast nutrient in wine production and to start secondary fermentations in the production of sparkling wines</description>
  <synonyms>
    <synonym>Amfos</synonym>
    <synonym>Ammonium acid phosphate</synonym>
    <synonym>Ammonium biphosphate</synonym>
    <synonym>Ammonium diacid phosphate</synonym>
    <synonym>Ammonium dihydrogen orthophosphate</synonym>
    <synonym>Ammonium dihydrogen phosphate</synonym>
    <synonym>Ammonium dihydrogen phosphate ((NH4)H2PO4)</synonym>
    <synonym>Ammonium dihydrogenphosphate</synonym>
    <synonym>Ammonium dihydrophosphate</synonym>
    <synonym>Ammonium monobasic phosphate</synonym>
    <synonym>Ammonium monobasic phosphate (NH4H2PO4)</synonym>
    <synonym>Ammonium orthophosphate</synonym>
    <synonym>Ammonium phosphate (NH4H2PO4)</synonym>
    <synonym>Ammonium phosphate, NH4H2PO4</synonym>
    <synonym>Ammonium phosphate?</synonym>
    <synonym>Dihydrogen ammonium phosphate</synonym>
    <synonym>FR-CROS 282</synonym>
    <synonym>Monoammonium acid phosphate</synonym>
    <synonym>Monoammonium dihydrogen phosphate</synonym>
    <synonym>Monoammonium dihydrogen phosphate ((NH4)H2PO4)</synonym>
    <synonym>Monoammonium hydrogen phosphate</synonym>
    <synonym>Monoammonium orthophosphate</synonym>
    <synonym>Monoammonium phosphate</synonym>
    <synonym>Monoammonium phosphate, 9CI, 8CI</synonym>
    <synonym>Monobasic ammonium phosphate</synonym>
    <synonym>Phosphoric acid monoammonium salt</synonym>
    <synonym>Phosphoric acid, ammonium salt</synonym>
    <synonym>Phosphoric acid, monoammonium salt</synonym>
    <synonym>Primary ammonium phosphate</synonym>
    <synonym>Taikarin f</synonym>
    <synonym>Taikarin FN</synonym>
  </synonyms>
  <chemical_formula>H6NO4P</chemical_formula>
  <average_molecular_weight>115.0257</average_molecular_weight>
  <monisotopic_moleculate_weight>115.003444197</monisotopic_moleculate_weight>
  <iupac_name>ammonium dihydrogen phosphate</iupac_name>
  <traditional_iupac>ammonium dihydrogen phosphate</traditional_iupac>
  <cas_registry_number>7722-76-1</cas_registry_number>
  <smiles>[NH4+].OP(O)([O-])=O</smiles>
  <inchi>InChI=1S/H3N.H3O4P/c;1-5(2,3)4/h1H3;(H3,1,2,3,4)</inchi>
  <inchikey>LFVGISIMTYGQHF-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of inorganic compounds known as non-metal phosphates. These are inorganic non-metallic compounds containing a phosphate as its largest oxoanion.</description>
    <direct_parent>Non-metal phosphates</direct_parent>
    <kingdom>Inorganic compounds</kingdom>
    <super_class>Homogeneous non-metal compounds</super_class>
    <class>Non-metal oxoanionic compounds</class>
    <sub_class>Non-metal phosphates</sub_class>
    <molecular_framework/>
    <alternative_parents>
      <alternative_parent>Inorganic oxides</alternative_parent>
      <alternative_parent>Inorganic salts</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>Inorganic oxide</substituent>
      <substituent>Inorganic salt</substituent>
      <substituent>Non-metal phosphate</substituent>
    </substituents>
    <external_descriptors>
      <external_descriptor>ammonium salt</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
  </predicted_properties>
  <experimental_properties>
    <property>
      <kind>melting_point</kind>
      <value>Mp 190°</value>
    </property>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>-1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>1.8</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>ammonium dihydrogen phosphate</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>115.0257</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>115.003444197</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>[NH4+].OP(O)([O-])=O</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>H6NO4P</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/H3N.H3O4P/c;1-5(2,3)4/h1H3;(H3,1,2,3,4)</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>LFVGISIMTYGQHF-UHFFFAOYSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>80.59</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>13.53</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>4</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>donor_count</kind>
    <value>2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>physiological_charge</kind>
    <value>-2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formal_charge</kind>
    <value>0</value>
    <source>ChemAxon</source>
  </property>
  <pathways>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>10749</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>87807</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>87808</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>87809</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>150396</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>150397</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>150398</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB34805</hmdb_id>
  <pubchem_compound_id/>
  <chemspider_id/>
  <kegg_id/>
  <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>
