<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2016-06-03 13:06:42 UTC</creation_date>
  <update_date>2026-08-18 21:04:40 UTC</update_date>
  <accession/>
  <common_name>[3-(2,3-epoxypropoxy)propyl]triethoxysilane</common_name>
  <class>SmallMolecule</class>
  <description>[3-(2,3-epoxypropoxy)propyl]triethoxysilane belongs to the organosilicon compounds, a subclass of organometalloid compounds within the organic compounds. This compound has the chemical formula C12H26O5Si and an average molecular weight of 278.42 g/mol.

In industrial applications, it serves several roles, acting as a viscosity modifier, chemical reaction regulator, and adhesion/cohesion promoter. Additionally, it is utilized as a filler, thickening agent, and dispersing agent.

The compound is found in or released from 16 recorded sources. Within electrical and electronic equipment, it is associated with antennas, coils, communication cables or conductors, cores yokes or armatures, discharge lamps, and seven other items. In the building and construction sector, it is found in ceilings, stairs, and ramps. It has also been recorded in household cleaning and consumer products, specifically ash trays, as well as in drinking water and water supply. The recorded exposure route for this substance is oral.</description>
  <categories/>
  <types/>
  <synonyms/>
  <chemical_formula>C12H26O5Si</chemical_formula>
  <average_molecular_weight>278.42</average_molecular_weight>
  <monisotopic_moleculate_weight>278.154950472</monisotopic_moleculate_weight>
  <iupac_name>triethoxy({3-[(oxiran-2-yl)methoxy]propyl})silane</iupac_name>
  <traditional_iupac>triethoxy[3-(oxiran-2-ylmethoxy)propyl]silane</traditional_iupac>
  <cas_registry_number>2602-34-8</cas_registry_number>
  <smiles>CCO[Si](CCCOCC1CO1)(OCC)OCC</smiles>
  <inchi>InChI=1S/C12H26O5Si/c1-4-15-18(16-5-2,17-6-3)9-7-8-13-10-12-11-14-12/h12H,4-11H2,1-3H3</inchi>
  <inchikey>JXUKBNICSRJFAP-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <kingdom>Organic compounds</kingdom>
    <super_class>Organometallic compounds</super_class>
    <class>Organometalloid compounds</class>
    <sub_class>Organosilicon compounds</sub_class>
    <direct_parent>Trialkoxysilanes</direct_parent>
    <alternate_parents>
      <alternative_parent>Dialkyl ethers</alternative_parent>
      <alternative_parent>Epoxides</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Organic metalloid salts</alternative_parent>
      <alternative_parent>Organoheterosilanes</alternative_parent>
      <alternative_parent>Oxacyclic compounds</alternative_parent>
      <alternative_parent>Silyl ethers</alternative_parent>
    </alternate_parents>
    <substituents>
      <substituent>Aliphatic heteromonocyclic compound</substituent>
      <substituent>Dialkyl ether</substituent>
      <substituent>Ether</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Organic metalloid salt</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organic salt</substituent>
      <substituent>Organoheterocyclic compound</substituent>
      <substituent>Organoheterosilane</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Oxacycle</substituent>
      <substituent>Oxirane</substituent>
      <substituent>Silyl ether</substituent>
      <substituent>Trialkoxysilane</substituent>
    </substituents>
    <molecular_framework>Aliphatic heteromonocyclic 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>2.04</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-2.69</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>5.74e-01 g/l</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>1.24</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_basic</kind>
      <value>-3.5</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>triethoxy({3-[(oxiran-2-yl)methoxy]propyl})silane</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>278.42</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>278.154950472</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>CCO[Si](CCCOCC1CO1)(OCC)OCC</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C12H26O5Si</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/C12H26O5Si/c1-4-15-18(16-5-2,17-6-3)9-7-8-13-10-12-11-14-12/h12H,4-11H2,1-3H3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>JXUKBNICSRJFAP-UHFFFAOYSA-N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>49.45</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>65.49</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>30.79</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>12</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>acceptor_count</kind>
      <value>5</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/>
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  <toxicity/>
  <lethaldose/>
  <carcinogenicity/>
  <use_source/>
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  <health_effects>#&lt;HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f3bf32560f8&gt;</health_effects>
  <symptoms/>
  <treatment/>
  <drugbank_id/>
  <hmdb_id/>
  <pubchem_compound_id>102856</pubchem_compound_id>
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</compound>
