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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Perfluormethoxybutansäure</span></h1>
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<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="de" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="de" dir="ltr"><table class="wikitable infobox float-right" id="Vorlage_Infobox_Chemikalie" style="font-size:90%; margin-top:0; width:350px;" summary="Infobox Chemikalie">
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<th colspan="2" style="background:#FFDEAD; color:#202122;">Strukturformel
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<th colspan="2" style="background:#FFDEAD; color:#202122;">Allgemeines
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<td style="width:33%;">Name
</td>
<td>Perfluormethoxybutansäure
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<td>Andere Namen
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<ul><li>2,2,3,3,4,4-Hexafluor-4-(trifluormethoxy)butansäure (<a href="IUPAC-Nomenklatur" class="mw-redirect" title="IUPAC-Nomenklatur">IUPAC</a>)</li>
<li>PFMOBA</li>
<li>PFMBA</li>
<li>Perfluor-4-methoxybutansäure</li></ul>
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<td><a href="Summenformel" title="Summenformel">Summenformel</a>
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<td>C<sub>5</sub>HF<sub>9</sub>O<sub>3</sub>
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<tr>
<th colspan="2" style="background:#FFDEAD; color:#202122;">Externe Identifikatoren/Datenbanken
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<td colspan="2" style="padding:0;">
<table class="mw-collapsible mw-collapsed wikitable" data-expandtext="+" data-collapsetext="−" style="border-top:none; margin:-1px; width:calc(100% + 2px);">
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<td style="width:33%;"><a href="CAS-Nummer" title="CAS-Nummer">CAS-Nummer</a>
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<td><span title="Untervorlage eingebunden: CASRN"></span><span class="KeinCASLink" title="CAS-Nummer ohne Common-Chemistry-Eintrag">863090-89-5</span><span class="editoronly" style="display:none;"></span>
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<td style="background:#FFDEAD; color:#202122; border-top:1px solid #FFDEAD; padding:0.2em 0; vertical-align:bottom; width:5%;">
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<td><a href="EG-Nummer" title="EG-Nummer">EG-Nummer</a> (<a href="EG-Nummer#Listennummern" title="EG-Nummer">Listennummer</a>)
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<td colspan="2">640-688-5
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<td><a href="Europ%C3%A4ische_Chemikalienagentur" title="Europäische Chemikalienagentur">ECHA</a>-InfoCard
</td>
<td colspan="2"><a rel="nofollow" class="external text" href="https://www.echa.europa.eu/de/substance-information/-/substanceinfo/100.168.442">100.168.442</a>
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<tr>
<td><a href="PubChem" title="PubChem">PubChem</a>
</td>
<td colspan="2"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/12498036">12498036</a>
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<td style="border-right:1px solid #a2a9b1;"><a href="Wikidata" title="Wikidata">Wikidata</a>
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<td colspan="2"><a href="https://www.wikidata.org/wiki/Q81977612" class="extiw external" title="d:Q81977612">Q81977612</a>
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<th colspan="2" style="background:#FFDEAD; color:#202122;">Eigenschaften
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<td><a href="Molare_Masse" title="Molare Masse">Molare Masse</a>
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<td>280,04 g·<a href="Mol" title="Mol">mol</a><sup>−1</sup>
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<th colspan="2" style="background:#FFDEAD; color:#202122;">Sicherheitshinweise
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<td colspan="2" style="text-align:center"><b><a href="Global_harmonisiertes_System_zur_Einstufung_und_Kennzeichnung_von_Chemikalien" title="Global harmonisiertes System zur Einstufung und Kennzeichnung von Chemikalien">GHS-Gefahrstoffkennzeichnung</a></b><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
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<td><span typeof="mw:File"><a href="Global_harmonisiertes_System_zur_Einstufung_und_Kennzeichnung_von_Chemikalien#Übersicht:_EU-Gefahrensymbole,_UN/GHS-Gefahrenpiktogramme,_UN/ADR-Gefahrensymbole" title="05 – Ätzend"></a></span>
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<p><b>Gefahr</b>
</p>
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<td rowspan="2" width="33%" style="border-top:1px #A7A7A7 dashed; border-right:1px #A7A7A7 dashed;"><a href="H-_und_P-S%C3%A4tze" title="H- und P-Sätze">H- und P-Sätze</a>
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<td style="border-top:1px #A7A7A7 dashed;">H: <span title="Untervorlage eingebunden: H-Sätze"></span><a href="H-_und_P-S%C3%A4tze#H-Sätze" title="H- und P-Sätze"><span style="display:inline-block;"><span style="color:#ff5400; border-bottom:1px dotted #ff5400;" title="Verursacht schwere Verätzungen der Haut und schwere Augenschäden.">314</span></span></a>
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<td style="border-top:1px #A7A7A7 dashed;">P: <span title="Untervorlage eingebunden: P-Sätze"></span><span style="color:#ff5400; border-bottom:1px dotted #ff5400;" title="Fehlende P-Sätze">?</span>
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<td colspan="2" style="background:#FFDEAD; color:#202122; font-size:80%; text-align:center; line-height:150%; padding:.25em;">Wenn nicht anders vermerkt, gelten die angegebenen Daten bei <a href="Standardbedingungen" title="Standardbedingungen">Standardbedingungen</a> (0 °C, 1000 hPa).
</td></tr></tbody></table><p><span class="editoronly" style="display:none;"></span>
</p><p>Die <b>Perfluormethoxybutansäure</b> (PFMOBA) ist eine <a href="Chemische_Verbindung" title="Chemische Verbindung">chemische Verbindung</a>, die zu den <a href="Perfluoralkylethercarbons%C3%A4uren" title="Perfluoralkylethercarbonsäuren">Perfluoralkylethercarbonsäuren</a> (PFECA) und damit zu den <a href="Per-_und_polyfluorierte_Alkylverbindungen" title="Per- und polyfluorierte Alkylverbindungen">per- und polyfluorierten Alkylverbindungen</a> (PFAS) gehört.
</p><p>In Kanada ist sie Teil des <a href="Trinkwasser" title="Trinkwasser">Trinkwasser</a>-Höchstwerts.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> In menschlichem <a href="Sperma" title="Sperma">Sperma</a> wurde sie bisher nicht gefunden.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading2"><h2 id="Einzelnachweise">Einzelnachweise</h2></div>
<ol class="references">
<li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><span style="display:none;">Vorlage:CL Inventory/nicht harmonisiert</span>Für diesen Stoff liegt noch keine <a href="Global_harmonisiertes_System_zur_Einstufung_und_Kennzeichnung_von_Chemikalien" title="Global harmonisiertes System zur Einstufung und Kennzeichnung von Chemikalien">harmonisierte Einstufung</a> vor. Wiedergegeben ist eine von einer Selbsteinstufung durch Inverkehrbringer abgeleitete Kennzeichnung von <span style="font-style:italic;"><span style="font-style:italic;"><a rel="nofollow" class="external text" href="https://www.echa.europa.eu/de/information-on-chemicals/cl-inventory-database/-/discli/details/173314">Perfluoro-4-methoxybutanoic acid</a></span></span> im <i>Classification and Labelling Inventory</i> der <a href="Europ%C3%A4ische_Chemikalienagentur" title="Europäische Chemikalienagentur">Europäischen Chemikalienagentur</a> (ECHA), abgerufen am 25. August 2024.<span class="editoronly" style="display:none;"></span></span>
</li>
<li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><span class="cite"><a rel="nofollow" class="external text" href="https://www.canada.ca/en/health-canada/services/publications/healthy-living/objective-drinking-water-quality-per-polyfluoroalkyl-substances.html"><i>Objective for Canadian drinking water quality per- and polyfluoroalkyl substances.</i></a> <a href="Health_Canada" title="Health Canada">Health Canada</a>, 9. August 2024,<span class="Abrufdatum"> abgerufen am 23. August 2024</span>.</span><span style="display: none;" class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2Fde.wikipedia.org%3APerfluormethoxybutans%C3%A4ure&rft.title=Objective+for+Canadian+drinking+water+quality+per-+and+polyfluoroalkyl+substances&rft.description=Objective+for+Canadian+drinking+water+quality+per-+and+polyfluoroalkyl+substances&rft.identifier=https%3A%2F%2Fwww.canada.ca%2Fen%2Fhealth-canada%2Fservices%2Fpublications%2Fhealthy-living%2Fobjective-drinking-water-quality-per-polyfluoroalkyl-substances.html&rft.publisher=%5B%5BHealth+Canada%5D%5D&rft.date=2024-08-09"> </span></span>
</li>
<li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text">Alessandro Di Giorgi, Giuseppe Basile, Francesco Bertola, Francesco Tavoletta, Francesco Paolo Busardò, Anastasio Tini: <cite style="font-style:italic">A green analytical method for the simultaneous determination of 17 perfluoroalkyl substances (PFAS) in human serum and semen by ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS)</cite>. In: <cite style="font-style:italic"><a href="Journal_of_Pharmaceutical_and_Biomedical_Analysis" title="Journal of Pharmaceutical and Biomedical Analysis">Journal of Pharmaceutical and Biomedical Analysis</a></cite>. <span style="white-space:nowrap">Band<span style="display:inline-block;width:.2em"> </span>246</span>, 15. August 2024, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em"> </span>116203</span>, <a href="Digital_Object_Identifier" title="Digital Object Identifier">doi</a>:<span class="uri-handle" style="white-space:nowrap"><a rel="nofollow" class="external text" href="https://doi.org/10.1016/j.jpba.2024.116203">10.1016/j.jpba.2024.116203</a></span>.<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/de.wikipedia.org:Perfluormethoxybutans%C3%A4ure&rft.atitle=A+green+analytical+method+for+the+simultaneous+determination+of+17+perfluoroalkyl+substances+%28PFAS%29+in+human+serum+and+semen+by+ultra-performance+liquid+chromatography-tandem+mass+spectrometry+%28UPLC-MS%2FMS%29&rft.au=Alessandro+Di+Giorgi%2C+Giuseppe+Basile%2C+Francesco+Bertola%2C+...&rft.btitle=Journal+of+Pharmaceutical+and+Biomedical+Analysis&rft.date=2024-08-15&rft.doi=10.1016%2Fj.jpba.2024.116203&rft.genre=book&rft.pages=116203&rft.volume=246" style="display:none"> </span></span>
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