<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2011-09-21 00:10:06 UTC</creation_date>
  <update_date>2015-10-09 22:29:18 UTC</update_date>
  <accession>FDB022207</accession>
  <name>alpha-Hydroxyisobutyric acid</name>
  <description>Alpha-Hydroxyisobutyric acid is a metabolite of methyl tert-butyl ether (MTBE).  MTBE may be obtained through environmental exposure. MTBE  is rapidly eliminated from the body, mainly through expired air as the unchanged compound. MTBE is to some extent metabolised to t-butyl alcohol (TBA) and formaldehyde and oxidised to 2-methyl-1,2-propanediol and a-hydroxy isobuturic acid.  Alpha-Hydroxyisobutyric acid has been used as an arial bactericide. [HMDB]</description>
  <synonyms>
    <synonym>(CH3)2COHCOOH</synonym>
    <synonym>2-Hydroxy-2-methylpropanoate</synonym>
    <synonym>2-Hydroxy-2-methylpropanoic acid</synonym>
    <synonym>2-Hydroxy-2-methylpropionate</synonym>
    <synonym>2-Hydroxy-2-methylpropionic acid</synonym>
    <synonym>2-Hydroxy-2-methylpropionsaeure</synonym>
    <synonym>2-Hydroxyisobutyrate</synonym>
    <synonym>2-Hydroxyisobutyric acid</synonym>
    <synonym>2-Methyl-2-hydroxypropanoate</synonym>
    <synonym>2-Methyl-2-hydroxypropanoic acid</synonym>
    <synonym>2-Methyl-2-hydroxypropionsaeure</synonym>
    <synonym>2-Methyllactate</synonym>
    <synonym>2-Methyllactic acid</synonym>
    <synonym>a-HIB</synonym>
    <synonym>a-Hydroxy-a-methylpropanoate</synonym>
    <synonym>a-Hydroxy-a-methylpropanoic acid</synonym>
    <synonym>a-Hydroxy-a-methylpropionate</synonym>
    <synonym>a-Hydroxy-a-methylpropionic acid</synonym>
    <synonym>a-Hydroxyisobutanoate</synonym>
    <synonym>a-Hydroxyisobutanoic acid</synonym>
    <synonym>a-Hydroxyisobutyrate</synonym>
    <synonym>a-Hydroxyisobutyric acid</synonym>
    <synonym>Acetonate</synonym>
    <synonym>Acetonic acid</synonym>
    <synonym>Acide 2-hydroxy-2-methylpropanoique</synonym>
    <synonym>Acido 2-hidroxi-2-metilpropionico</synonym>
    <synonym>alpha-HIB</synonym>
    <synonym>alpha-Hydroxy-alpha-methylpropanoate</synonym>
    <synonym>alpha-Hydroxy-alpha-methylpropanoic acid</synonym>
    <synonym>alpha-Hydroxy-alpha-methylpropionate</synonym>
    <synonym>alpha-Hydroxy-alpha-methylpropionic acid</synonym>
    <synonym>alpha-hydroxyisobutanoate</synonym>
    <synonym>alpha-hydroxyisobutanoic acid</synonym>
    <synonym>alpha-Hydroxyisobutyrate</synonym>
    <synonym>alpha-Hydroxyisobutyric acid</synonym>
    <synonym>HIBA</synonym>
    <synonym>Hydroxydimethylacetate</synonym>
    <synonym>Hydroxydimethylacetic acid</synonym>
    <synonym>Hydroxyisobutyrate</synonym>
    <synonym>L-2-Methyllactate</synonym>
    <synonym>L-2-Methyllactic acid</synonym>
    <synonym>α-hydroxy-α-methylpropanoate</synonym>
    <synonym>α-hydroxy-α-methylpropanoic acid</synonym>
    <synonym>α-hydroxy-α-methylpropionate</synonym>
    <synonym>α-hydroxy-α-methylpropionic acid</synonym>
    <synonym>α-hydroxyisobutanoate</synonym>
    <synonym>α-hydroxyisobutanoic acid</synonym>
    <synonym>α-hydroxyisobutyrate</synonym>
    <synonym>α-hydroxyisobutyric acid</synonym>
  </synonyms>
  <chemical_formula>C4H8O3</chemical_formula>
  <average_molecular_weight>104.1045</average_molecular_weight>
  <monisotopic_moleculate_weight>104.047344122</monisotopic_moleculate_weight>
  <iupac_name>2-hydroxy-2-methylpropanoic acid</iupac_name>
  <traditional_iupac>acetonate</traditional_iupac>
  <cas_registry_number>594-61-6</cas_registry_number>
  <smiles>CC(C)(O)C(O)=O</smiles>
  <inchi>InChI=1S/C4H8O3/c1-4(2,7)3(5)6/h7H,1-2H3,(H,5,6)</inchi>
  <inchikey>BWLBGMIXKSTLSX-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as alpha hydroxy acids and derivatives. These are organic compounds containing a carboxylic acid substituted with a hydroxyl group on the adjacent carbon.</description>
    <direct_parent>Alpha hydroxy acids and derivatives</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Organic acids and derivatives</super_class>
    <class>Hydroxy acids and derivatives</class>
    <sub_class>Alpha hydroxy acids and derivatives</sub_class>
    <molecular_framework>Aliphatic acyclic compounds</molecular_framework>
    <alternative_parents>
      <alternative_parent>Carbonyl compounds</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>Tertiary alcohols</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>Alcohol</substituent>
      <substituent>Aliphatic acyclic compound</substituent>
      <substituent>Alpha-hydroxy acid</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Carboxylic acid</substituent>
      <substituent>Carboxylic acid derivative</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Monocarboxylic acid or derivatives</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Tertiary alcohol</substituent>
    </substituents>
    <external_descriptors>
      <external_descriptor>2-hydroxy monocarboxylic acid</external_descriptor>
      <external_descriptor>Hydroxy fatty acids</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <state>Solid</state>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>-0.37</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>0.56</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>3.78e+02 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>-0.039</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>3.95</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-3.7</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>2-hydroxy-2-methylpropanoic acid</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>104.1045</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>104.047344122</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>CC(C)(O)C(O)=O</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C4H8O3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C4H8O3/c1-4(2,7)3(5)6/h7H,1-2H3,(H,5,6)</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>BWLBGMIXKSTLSX-UHFFFAOYSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>57.53</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>23.55</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>9.87</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>donor_count</kind>
    <value>2</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>
  <pathways>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::NmrTwoD</type>
      <spectrum_id>1449</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>796</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>797</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>798</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>628</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>19318</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>27179</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>30759</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>37726</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>163427</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1072938</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1072939</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1072941</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1072942</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1072944</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1023</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1024</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1025</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>4550</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>4551</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>4552</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>4553</spectrum_id>
    </spectrum>
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      <type>Specdb::MsMs</type>
      <spectrum_id>4554</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>4555</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>4557</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>4558</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>4559</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>11003</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>11004</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>11005</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>17675</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>17676</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>17677</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>437821</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>437822</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>437823</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>437824</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>437825</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>439029</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>439030</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>1264</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>1503</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>7522</spectrum_id>
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    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>7523</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>7524</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>7525</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>7526</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>7527</spectrum_id>
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    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>7528</spectrum_id>
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    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>7529</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>7530</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>7531</spectrum_id>
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    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>7532</spectrum_id>
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    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>7533</spectrum_id>
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      <type>Specdb::NmrOneD</type>
      <spectrum_id>7534</spectrum_id>
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      <type>Specdb::NmrOneD</type>
      <spectrum_id>7535</spectrum_id>
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    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>7536</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>7537</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>7538</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>7539</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>7540</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>7541</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>166509</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB00729</hmdb_id>
  <pubchem_compound_id/>
  <chemspider_id/>
  <kegg_id/>
  <chebi_id/>
  <biocyc_id/>
  <het_id/>
  <wikipidia/>
  <vmh_id/>
  <fbonto_id/>
  <foodb_id/>
  <general_references>
    <reference>#&lt;Reference:0x000055ce317f67f0&gt;</reference>
    <reference>#&lt;Reference:0x000055ce317f6638&gt;</reference>
    <reference>#&lt;Reference:0x000055ce317f6480&gt;</reference>
    <reference>#&lt;Reference:0x000055ce317f62c8&gt;</reference>
  </general_references>
  <foods>
  </foods>
  <flavors>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
