<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2016-05-19 02:23:41 UTC</creation_date>
  <update_date>2026-04-17 17:53:28 UTC</update_date>
  <accession/>
  <common_name>POTASSIUM STEARATE</common_name>
  <class>SmallMolecule</class>
  <description>POTASSIUM STEARATE (C18H35KO2) is a chemical compound with an average molecular weight of 322.57 g/mol. POTASSIUM STEARATE belongs to the fatty acids and conjugates, a subclass of fatty acyls within the organic compounds.

This compound serves a wide variety of industrial roles and uses. It is utilized as a surfactant (surface active agent), emulsifier, cleaning agent, and thickening agent. Additionally, it functions as a lubricating agent, waterproofing agent, and biocide, and is employed as a non-aqueous wetting agent and as processing aids not otherwise specified.

POTASSIUM STEARATE is found in or released from eight recorded sources across several categories. In the realm of household cleaning and consumer products, it is associated with soap dispensers, pipe accessories, other smoking requisites, and tobacco product cases. Within electrical and electronic equipment, it is found in antennas, gas filled discharge tubes with solid cathode, and cores yokes or armatures. It is also present in building and construction materials, specifically ceilings. Furthermore, the compound is used in plastics, including polypropylene, polyvinyl chloride, low-density polyethylene, and high-density polyethylene.</description>
  <categories/>
  <types/>
  <synonyms>
    <synonym>Potassium octadecanoate</synonym>
  </synonyms>
  <chemical_formula>C18H35KO2</chemical_formula>
  <average_molecular_weight>322.5676</average_molecular_weight>
  <monisotopic_moleculate_weight>322.227412225</monisotopic_moleculate_weight>
  <iupac_name>potassium octadecanoate</iupac_name>
  <traditional_iupac>potassium n-octadecanoate</traditional_iupac>
  <cas_registry_number>593-29-3</cas_registry_number>
  <smiles>[K+].CCCCCCCCCCCCCCCCCC([O-])=O</smiles>
  <inchi>InChI=1S/C18H36O2.K/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2-17H2,1H3,(H,19,20);/q;+1/p-1</inchi>
  <inchikey>ANBFRLKBEIFNQU-UHFFFAOYSA-M</inchikey>
  <taxonomy>
    <kingdom>Organic compounds</kingdom>
    <super_class>Lipids and lipid-like molecules</super_class>
    <class>Fatty Acyls</class>
    <sub_class>Fatty acids and conjugates</sub_class>
    <direct_parent>Long-chain fatty acids</direct_parent>
    <alternate_parents>
      <alternative_parent>Carbonyl compounds</alternative_parent>
      <alternative_parent>Carboxylic acid salts</alternative_parent>
      <alternative_parent>Carboxylic acids</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Monocarboxylic acids and derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Organic potassium salts</alternative_parent>
    </alternate_parents>
    <substituents>
      <substituent>Aliphatic acyclic compound</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Carboxylic acid</substituent>
      <substituent>Carboxylic acid derivative</substituent>
      <substituent>Carboxylic acid salt</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Long-chain fatty acid</substituent>
      <substituent>Monocarboxylic acid or derivatives</substituent>
      <substituent>Organic alkali metal salt</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organic potassium salt</substituent>
      <substituent>Organic salt</substituent>
      <substituent>Organooxygen compound</substituent>
    </substituents>
    <molecular_framework>Aliphatic acyclic compounds</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>8.05</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-6.36</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>1.40e-04 g/l</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>7.15</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_acidic</kind>
      <value>4.95</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>potassium octadecanoate</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>322.5676</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>322.227412225</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>[K+].CCCCCCCCCCCCCCCCCC([O-])=O</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C18H35KO2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/C18H36O2.K/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2-17H2,1H3,(H,19,20);/q;+1/p-1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>ANBFRLKBEIFNQU-UHFFFAOYSA-M</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>40.13</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>97.12</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>38.16</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>16</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>acceptor_count</kind>
      <value>2</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:0x00007f7226b45e70&gt;</health_effects>
  <symptoms/>
  <treatment/>
  <drugbank_id/>
  <hmdb_id/>
  <pubchem_compound_id>23673840</pubchem_compound_id>
  <chembl_id/>
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  <chebi_id/>
  <biocyc_id/>
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  <pdb_id/>
  <wikipidia/>
  <general_references/>
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</compound>
