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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">4-Octen</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">
<tbody><tr>
<th colspan="2" style="background:#FFDEAD; color:#202122;">Strukturformel
</th></tr>
<tr>
<td colspan="2" class="hintergrundfarbe-basis skin-invert-image" style="text-align:center;"><span typeof="mw:File"></span><br><br><span typeof="mw:File"></span>
</td></tr>
<tr>
<td colspan="2" style="text-align:center; font-size:80%;"><i>cis</i>-Form (oben) <i>trans</i>-Form (unten)
</td></tr>
<tr>
<th colspan="2" style="background:#FFDEAD; color:#202122;">Allgemeines
</th></tr>
<tr>
<td style="width:33%;">Name
</td>
<td>4-Octen
</td></tr>
<tr>
<td>Andere Namen
</td>
<td>
<p>Oct-4-en
</p>
</td></tr>
<tr>
<td><a href="Summenformel" title="Summenformel">Summenformel</a>
</td>
<td>C<sub>8</sub>H<sub>16</sub>
</td></tr>
<tr>
<td>Kurzbeschreibung
</td>
<td>
<p>farblose Flüssigkeit<sup id="cite_ref-Sigma_1-0" class="reference"><a href="#cite_note-Sigma-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p>
</td></tr>
<tr>
<th colspan="2" style="background:#FFDEAD; color:#202122;">Externe Identifikatoren/Datenbanken
</th></tr>
<tr>
<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);">
<tbody><tr>
<td style="width:33%;"><a href="CAS-Nummer" title="CAS-Nummer">CAS-Nummer</a>
</td>
<td>
<ul><li><span title="Untervorlage eingebunden: CASRN"></span><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=592-99-4">592-99-4</a><span class="editoronly" style="display:none;"></span></li>
<li><span title="Untervorlage eingebunden: CASRN"></span><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=7642-15-1">7642-15-1</a><span class="editoronly" style="display:none;"></span> (<i>cis</i>)</li>
<li><span title="Untervorlage eingebunden: CASRN"></span><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=14850-23-8">14850-23-8</a><span class="editoronly" style="display:none;"></span> (<i>trans</i>)</li></ul>
</td>
<td style="background:#FFDEAD; color:#202122; border-top:1px solid #FFDEAD; padding:0.2em 0; vertical-align:bottom; width:5%;">
</td></tr>
<tr>
<td><a href="EG-Nummer" title="EG-Nummer">EG-Nummer</a>
</td>
<td colspan="2">209-780-9
</td></tr>
<tr>
<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/100.008.893">100.008.893</a>
</td></tr>
<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/11621">11621</a>
</td></tr>
<tr>
<td style="border-right:1px solid #a2a9b1;"><a href="Wikidata" title="Wikidata">Wikidata</a>
</td>
<td colspan="2"><a href="https://www.wikidata.org/wiki/Q31840064" class="extiw external" title="d:Q31840064">Q31840064</a>
</td></tr></tbody></table>
</td></tr>
<tr>
<th colspan="2" style="background:#FFDEAD; color:#202122;">Eigenschaften
</th></tr>
<tr>
<td><a href="Molare_Masse" title="Molare Masse">Molare Masse</a>
</td>
<td>112,22 g·<a href="Mol" title="Mol">mol</a><sup>−1</sup>
</td></tr>
<tr>
<td><a href="Aggregatzustand" title="Aggregatzustand">Aggregatzustand</a>
</td>
<td>
<p>flüssig<sup id="cite_ref-Alfa_2-0" class="reference"><a href="#cite_note-Alfa-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
</p>
</td></tr>
<tr>
<td><a href="Dichte" title="Dichte">Dichte</a>
</td>
<td>
<ul><li>0,721 g·cm<sup>−3</sup> (<i>cis</i>)<sup id="cite_ref-William_M._Haynes_3-0" class="reference"><a href="#cite_note-William_M._Haynes-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li>
<li>0,714 g·cm<sup>−3</sup> (<i>trans</i>)<sup id="cite_ref-William_M._Haynes_3-1" class="reference"><a href="#cite_note-William_M._Haynes-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li></ul>
</td></tr>
<tr>
<td><a href="Schmelzpunkt" title="Schmelzpunkt">Schmelzpunkt</a>
</td>
<td>
<ul><li>−119 <a href="Grad_Celsius" title="Grad Celsius">°C</a> (<i>cis</i>)<sup id="cite_ref-William_M._Haynes_3-2" class="reference"><a href="#cite_note-William_M._Haynes-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li>
<li>−94 °C (<i>trans</i>)<sup id="cite_ref-William_M._Haynes_3-3" class="reference"><a href="#cite_note-William_M._Haynes-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li></ul>
</td></tr>
<tr>
<td><a href="Siedepunkt" title="Siedepunkt">Siedepunkt</a>
</td>
<td>
<ul><li>122,6 °C (<i>cis</i>)<sup id="cite_ref-William_M._Haynes_3-4" class="reference"><a href="#cite_note-William_M._Haynes-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li>
<li>122,4 °C (<i>trans</i>)<sup id="cite_ref-William_M._Haynes_3-5" class="reference"><a href="#cite_note-William_M._Haynes-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li></ul>
</td></tr>
<tr>
<td><a href="Dampfdruck" title="Dampfdruck">Dampfdruck</a>
</td>
<td>
<p>41 <a href="Pascal_(Einheit)" title="Pascal (Einheit)">hPa</a> (37,7 °C, <i>trans</i>)<sup id="cite_ref-Sigma_1-1" class="reference"><a href="#cite_note-Sigma-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p>
</td></tr>
<tr>
<td><a href="L%C3%B6slichkeit" title="Löslichkeit">Löslichkeit</a>
</td>
<td>
<ul><li>praktisch unlöslich in Wasser<sup id="cite_ref-Alfa_2-1" class="reference"><a href="#cite_note-Alfa-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Sigma_1-2" class="reference"><a href="#cite_note-Sigma-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></li>
<li>löslich in Aceton, Benzol, Ether und Ethanol<sup id="cite_ref-William_M._Haynes_3-6" class="reference"><a href="#cite_note-William_M._Haynes-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li></ul>
</td></tr>
<tr>
<td><a href="Brechungsindex" title="Brechungsindex">Brechungsindex</a>
</td>
<td>
<ul><li>1,41148 (20 °C, <i>cis</i>)<sup id="cite_ref-William_M._Haynes_3-7" class="reference"><a href="#cite_note-William_M._Haynes-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li>
<li>1,4114 (20 °C, <i>trans</i>)<sup id="cite_ref-William_M._Haynes_3-8" class="reference"><a href="#cite_note-William_M._Haynes-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></li></ul>
</td></tr>
<tr>
<th colspan="2" style="background:#FFDEAD; color:#202122;">Sicherheitshinweise
</th></tr>
<tr>
<td colspan="2">
<table cellspacing="0" cellpadding="2" style="width:100%;">
<tbody><tr>
<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-Alfa_2-2" class="reference"><a href="#cite_note-Alfa-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
<p><i>cis</i>-4-Octen
</p>
<table class="hintergrundfarbe-neutral" style="text-align:center; margin-left:auto; margin-right:auto; display:flex; justify-content:center;">
<tbody><tr>
<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="02 – Leicht-/Hochentzündlich"></a></span>
</td>
<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="07 – Achtung"></a></span>
</td></tr></tbody></table>
<p><b>Gefahr</b>
</p>
</td></tr>
<tr>
<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>
</td>
<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="Flüssigkeit und Dampf leicht entzündbar.">225</span></span></a>‐<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 Hautreizungen.">315</span></span></a>‐<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 Augenreizung.">319</span></span></a>‐<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="Kann die Atemwege reizen.">335</span></span></a>
</td></tr>
<tr>
<td style="border-top:1px #A7A7A7 dashed;">P: <span title="Untervorlage eingebunden: P-Sätze"></span><a href="H-_und_P-S%C3%A4tze#P-Sätze" title="H- und P-Sätze"><span style="display:inline-block;"><span style="color:#ff5400; border-bottom:1px dotted #ff5400;" title="Von Hitze, heißen Oberflächen, Funken, offenen Flammen und anderen Zündquellen fernhalten. Nicht rauchen.
(Geänderter Text seit Inkraftreten der „12. Anpassung an den Technischen Fortschritt“ am 17. Oktober 2020)">210</span></span></a>‐<a href="H-_und_P-S%C3%A4tze#P-Sätze" title="H- und P-Sätze"><span style="display:inline-block;"><span style="color:#ff5400; border-bottom:1px dotted #ff5400;" title="Einatmen von Staub / Rauch / Gas / Nebel / Dampf / Aerosol vermeiden.">261</span></span></a>‐<a href="H-_und_P-S%C3%A4tze#P-Sätze" title="H- und P-Sätze"><span style="display:inline-block;"><span style="color:#ff5400; border-bottom:1px dotted #ff5400;" title="Bei Berührung mit der Haut [oder dem Haar]: Alle kontaminierten Kleidungsstücke sofort ausziehen. Haut mit Wasser abwaschen [oder duschen].
(Geänderter Text seit Inkraftreten der „8. Anpassung an den Technischen Fortschritt“ am 1. Februar 2018)">303+361+353</span></span></a>‐<a href="H-_und_P-S%C3%A4tze#P-Sätze" title="H- und P-Sätze"><span style="display:inline-block;"><span style="color:#ff5400; border-bottom:1px dotted #ff5400;" title="Bei Kontakt mit den Augen: Einige Minuten lang behutsam mit Wasser spülen. Eventuell vorhandene Kontaktlinsen nach Möglichkeit entfernen. Weiter spülen.
(Geänderter Text seit Inkraftreten der „8. Anpassung an den Technischen Fortschritt“ am 1. Februar 2018)">305+351+338</span></span></a>‐<a href="H-_und_P-S%C3%A4tze#P-Sätze" title="H- und P-Sätze"><span style="display:inline-block;"><span style="color:#ff5400; border-bottom:1px dotted #ff5400;" title="Unter Verschluss aufbewahren.">405</span></span></a>‐<a href="H-_und_P-S%C3%A4tze#P-Sätze" title="H- und P-Sätze"><span style="display:inline-block;"><span style="color:#ff5400; border-bottom:1px dotted #ff5400;" title="Inhalt / Behälter … zuführen.
(Die vom Gesetzgeber offen gelassene Einfügung ist vom Inverkehrbringer zu ergänzen)">501</span></span></a><sup id="cite_ref-Alfa_2-3" class="reference"><a href="#cite_note-Alfa-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
</td></tr>
</tbody></table>
</td></tr>
<tr>
<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). Brechungsindex: <a href="Natrium-D-Linie" title="Natrium-D-Linie">Na-D-Linie</a>, 20 °C
</td></tr></tbody></table><p><span class="editoronly" style="display:none;"></span>
</p><p><b>4-Octen</b> ist eine <a href="Chemische_Verbindung" title="Chemische Verbindung">chemische Verbindung</a> aus der Gruppe der <a href="Alkene" title="Alkene">Alkene</a>.
</p>
<div class="mw-heading mw-heading2"><h2 id="Isomerie">Isomerie</h2></div>
<p>An der unsymmetrisch substituierten Doppelbindung liegt <a href="E/Z-Isomerie" class="mw-redirect" title="E/Z-Isomerie">E/Z-Isomerie</a> vor, 4-Octen existiert daher in zwei <a href="Isomer" class="mw-redirect" title="Isomer">isomeren</a> Formen, als (<i>E</i>)- bzw. <i>trans</i>-4-Octen<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> und (<i>Z</i>)- bzw. <i>cis</i>-4-Octen<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup>.
</p>
<div class="mw-heading mw-heading2"><h2 id="Gewinnung_und_Darstellung">Gewinnung und Darstellung</h2></div>
<p>4-Octen kann durch <a href="Isomerisierung" title="Isomerisierung">Isomerisierung</a> von <a href="1-Octen" title="1-Octen">1-Octen</a> gewonnen werden, wobei etwa 10 % <i>trans</i>-4-Octen, 50 % <a href="2-Octen" title="2-Octen"><i>trans</i>-2-Octen</a>, 10 % <i>cis</i>-2-Octen, 20 % <a href="3-Octen" title="3-Octen"><i>trans</i>-3-Octen</a> und weitere Isomere entstehen.<sup id="cite_ref-Ei-ichi_Negishi_6-0" class="reference"><a href="#cite_note-Ei-ichi_Negishi-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading2"><h2 id="Eigenschaften">Eigenschaften</h2></div>
<p>4-Octen ist eine farblose Flüssigkeit, die praktisch unlöslich in Wasser. ist.<sup id="cite_ref-Sigma_1-3" class="reference"><a href="#cite_note-Sigma-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading2"><h2 id="Verwendung">Verwendung</h2></div>
<p><i>cis</i>-4-Octen wird als Kettenübertragungsmittel in <a href="Polymerisation" title="Polymerisation">Polymerisationsreaktionen</a> und als Depolymerisationsmittel bei epoxyfunktionalisierten <a href="Oligomer" title="Oligomer">Oligomeren</a> eingesetzt.<sup id="cite_ref-Alfa_2-4" class="reference"><a href="#cite_note-Alfa-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Sie kann auch als <a href="Aromastoff" class="mw-redirect" title="Aromastoff">Aromastoff</a> verwendet werden.<sup id="cite_ref-europa.eu_7-0" class="reference"><a href="#cite_note-europa.eu-7"><span class="cite-bracket">[</span>7<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-Sigma-1"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Sigma_1-0">a</a></sup> <sup><a href="#cite_ref-Sigma_1-1">b</a></sup> <sup><a href="#cite_ref-Sigma_1-2">c</a></sup> <sup><a href="#cite_ref-Sigma_1-3">d</a></sup></span> <span class="reference-text">Datenblatt <span style="font-style:italic;"><a rel="nofollow" class="external text" href="https://www.sigmaaldrich.com/catalog/product/ALDRICH/593028">trans-4-Octene, 98%</a></span> bei <a href="Sigma-Aldrich" title="Sigma-Aldrich">Sigma-Aldrich</a>, abgerufen am 2. Juni 2017 (<a rel="nofollow" class="external text" href="https://www.sigmaaldrich.com/DE/de/sds/ALDRICH/593028?userType=anonymous">PDF</a>).<span class="editoronly" style="display:none;"></span></span>
</li>
<li id="cite_note-Alfa-2"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Alfa_2-0">a</a></sup> <sup><a href="#cite_ref-Alfa_2-1">b</a></sup> <sup><a href="#cite_ref-Alfa_2-2">c</a></sup> <sup><a href="#cite_ref-Alfa_2-3">d</a></sup> <sup><a href="#cite_ref-Alfa_2-4">e</a></sup></span> <span class="reference-text">Datenblatt <span style="font-style:italic;"><a rel="nofollow" class="external text" href="https://www.alfa.com/de/catalog/43156">4-Octene, 97%</a></span> bei <a href="Alfa_Aesar" title="Alfa Aesar">Alfa Aesar</a>, abgerufen am 2. Juni 2017 <small>(Seite nicht mehr abrufbar)</small>.<span class="editoronly" style="display:none;"></span></span>
</li>
<li id="cite_note-William_M._Haynes-3"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-William_M._Haynes_3-0">a</a></sup> <sup><a href="#cite_ref-William_M._Haynes_3-1">b</a></sup> <sup><a href="#cite_ref-William_M._Haynes_3-2">c</a></sup> <sup><a href="#cite_ref-William_M._Haynes_3-3">d</a></sup> <sup><a href="#cite_ref-William_M._Haynes_3-4">e</a></sup> <sup><a href="#cite_ref-William_M._Haynes_3-5">f</a></sup> <sup><a href="#cite_ref-William_M._Haynes_3-6">g</a></sup> <sup><a href="#cite_ref-William_M._Haynes_3-7">h</a></sup> <sup><a href="#cite_ref-William_M._Haynes_3-8">i</a></sup></span> <span class="reference-text">William M. Haynes: <cite style="font-style:italic">CRC Handbook of Chemistry and Physics, 97th Edition</cite>. CRC Press, 2016, ISBN 978-1-4987-5429-3, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em"> </span>426</span> (<a rel="nofollow" class="external text" href="https://books.google.de/books?id=VVezDAAAQBAJ&pg=RA3-PA426#v=onepage">eingeschränkte Vorschau</a> in der Google-Buchsuche).<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:4-Octen&rft.au=William+M.+Haynes&rft.btitle=CRC+Handbook+of+Chemistry+and+Physics%2C+97th+Edition&rft.date=2016&rft.genre=book&rft.isbn=9781498754293&rft.pages=426&rft.pub=CRC+Press" style="display:none"> </span></span>
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<li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text">Externe Identifikatoren von bzw. Datenbank-Links zu <span style="font-style:italic">trans-4-Octen</span>: <a href="CAS-Nummer" title="CAS-Nummer">CAS-Nr.</a>: <span title="Untervorlage eingebunden: CASRN"></span><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=14850-23-8">14850-23-8</a><span class="editoronly" style="display:none;"></span>, <a href="EG-Nummer" title="EG-Nummer">EG-Nr.</a>: 238-913-3, <a href="Europ%C3%A4ische_Chemikalienagentur" title="Europäische Chemikalienagentur">ECHA</a>-InfoCard: <a rel="nofollow" class="external text" href="https://www.echa.europa.eu/de/substance-information/-/substanceinfo/100.035.361">100.035.361</a>, <a href="PubChem" title="PubChem">PubChem</a>: <a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/5357253">5357253</a>, <a href="ChemSpider" title="ChemSpider">ChemSpider</a>: <a rel="nofollow" class="external text" href="http://www.chemspider.com/Chemical-Structure.4512642.html"><span class="wikidata-content">4512642</span></a><span style="display:none;"></span>, <a href="Wikidata" title="Wikidata">Wikidata</a>: <a href="https://www.wikidata.org/wiki/Q27278041" class="extiw external" title="d:Q27278041">Q27278041</a>.<span class="editoronly" style="display:none;"></span></span>
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<li id="cite_note-5"><span class="mw-cite-backlink"><a href="#cite_ref-5">↑</a></span> <span class="reference-text">Externe Identifikatoren von bzw. Datenbank-Links zu <span style="font-style:italic">cis-4-Octen</span>: <a href="CAS-Nummer" title="CAS-Nummer">CAS-Nr.</a>: <span title="Untervorlage eingebunden: CASRN"></span><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=7642-15-1">7642-15-1</a><span class="editoronly" style="display:none;"></span>, <a href="EG-Nummer" title="EG-Nummer">EG-Nr.</a>: 231-578-4, <a href="Europ%C3%A4ische_Chemikalienagentur" title="Europäische Chemikalienagentur">ECHA</a>-InfoCard: <a rel="nofollow" class="external text" href="https://www.echa.europa.eu/de/substance-information/-/substanceinfo/100.028.708">100.028.708</a>, <a href="PubChem" title="PubChem">PubChem</a>: <a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/5364446">5364446</a>, <a href="ChemSpider" title="ChemSpider">ChemSpider</a>: <a rel="nofollow" class="external text" href="http://www.chemspider.com/Chemical-Structure.4516599.html"><span class="wikidata-content">4516599</span></a><span style="display:none;"></span>, <a href="Wikidata" title="Wikidata">Wikidata</a>: <a href="https://www.wikidata.org/wiki/Q27252062" class="extiw external" title="d:Q27252062">Q27252062</a>.<span class="editoronly" style="display:none;"></span></span>
</li>
<li id="cite_note-Ei-ichi_Negishi-6"><span class="mw-cite-backlink"><a href="#cite_ref-Ei-ichi_Negishi_6-0">↑</a></span> <span class="reference-text">Ei-ichi Negishi: <cite style="font-style:italic">Handbook of Organopalladium Chemistry for Organic Synthesis, 2 Volume Set</cite>. John Wiley & Sons, 2003, ISBN 0-471-47381-2, <span style="white-space:nowrap">S.<span style="display:inline-block;width:.2em"> </span>2787</span> (<a rel="nofollow" class="external text" href="https://books.google.de/books?id=zdErcthx53gC&pg=PA2787#v=onepage">eingeschränkte Vorschau</a> in der Google-Buchsuche).<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:4-Octen&rft.au=Ei-ichi+Negishi&rft.btitle=Handbook+of+Organopalladium+Chemistry+for+Organic+Synthesis%2C+2+Volume+Set&rft.date=2003&rft.genre=book&rft.isbn=0471473812&rft.pages=2787&rft.pub=John+Wiley+%26+Sons" style="display:none"> </span></span>
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<li id="cite_note-europa.eu-7"><span class="mw-cite-backlink"><a href="#cite_ref-europa.eu_7-0">↑</a></span> <span class="reference-text">europa.eu: <span class="-print"><a rel="nofollow" class="external text" href="https://eur-lex.europa.eu/legal-content/DE/TXT/?uri=CELEX:32005D0389">Amtsblatt der Europäischen Union L 128/73 ENTSCHEIDUNG DER KOMMISSION vom 18. Mai 2005 zur Änderung der Entscheidung 1999/217/EG in Bezug auf das Verzeichnis der in oder auf Lebensmitteln verwendeten Aromastoffe</a></span>, abgerufen am 1. Juni 2017.</span>
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