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Potassium superoxide - Wikipedia
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class="firstHeading mw-first-heading"><span class="mw-page-title-main">Potassium superoxide</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. 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class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D9%BE%D8%AA%D8%A7%D8%B3%DB%8C%D9%88%D9%85_%D8%B3%D9%88%D9%BE%D8%B1_%D8%A7%D9%88%DA%A9%D8%B3%DB%8C%D8%AF" title="پتاسیوم سوپر اوکسید – South Azerbaijani" lang="azb" hreflang="azb" data-title="پتاسیوم سوپر اوکسید" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9A%D0%B0%D0%BB%D0%B8%D0%B5%D0%B2_%D1%81%D1%83%D0%BF%D0%B5%D1%80%D0%BE%D0%BA%D1%81%D0%B8%D0%B4" title="Калиев супероксид – Bulgarian" lang="bg" hreflang="bg" data-title="Калиев супероксид" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Superoxid_draseln%C3%BD" title="Superoxid draselný – Czech" lang="cs" hreflang="cs" data-title="Superoxid draselný" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Kaliumhyperoxid" title="Kaliumhyperoxid – German" lang="de" hreflang="de" data-title="Kaliumhyperoxid" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Super%C3%B3xido_de_potasio" title="Superóxido de potasio – Spanish" lang="es" hreflang="es" data-title="Superóxido de potasio" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Kalia_superoksido" title="Kalia superoksido – Esperanto" lang="eo" hreflang="eo" data-title="Kalia superoksido" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%BE%D8%AA%D8%A7%D8%B3%DB%8C%D9%88%D9%85_%D8%B3%D9%88%D9%BE%D8%B1_%D8%A7%DA%A9%D8%B3%DB%8C%D8%AF" title="پتاسیوم سوپر اکسید – Persian" lang="fa" hreflang="fa" data-title="پتاسیوم سوپر اکسید" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Superoxyde_de_potassium" title="Superoxyde de potassium – French" lang="fr" hreflang="fr" data-title="Superoxyde de potassium" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%B4%88%EC%82%B0%ED%99%94_%EC%B9%BC%EB%A5%A8" title="초산화 칼륨 – Korean" lang="ko" hreflang="ko" data-title="초산화 칼륨" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Kalium_superoksida" title="Kalium superoksida – Indonesian" lang="id" hreflang="id" data-title="Kalium superoksida" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Superossido_di_potassio" title="Superossido di potassio – Italian" lang="it" hreflang="it" data-title="Superossido di potassio" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/K%C3%A1lium-szuperoxid" title="Kálium-szuperoxid – Hungarian" lang="hu" hreflang="hu" data-title="Kálium-szuperoxid" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Kaliumsuperoxide" title="Kaliumsuperoxide – Dutch" lang="nl" hreflang="nl" data-title="Kaliumsuperoxide" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E8%B6%85%E9%85%B8%E5%8C%96%E3%82%AB%E3%83%AA%E3%82%A6%E3%83%A0" title="超酸化カリウム – Japanese" lang="ja" hreflang="ja" data-title="超酸化カリウム" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Ponadtlenek_potasu" title="Ponadtlenek potasu – Polish" lang="pl" hreflang="pl" data-title="Ponadtlenek potasu" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9D%D0%B0%D0%B4%D0%BF%D0%B5%D1%80%D0%BE%D0%BA%D1%81%D0%B8%D0%B4_%D0%BA%D0%B0%D0%BB%D0%B8%D1%8F" title="Надпероксид калия – Russian" lang="ru" hreflang="ru" data-title="Надпероксид калия" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Kalijum_superoksid" title="Kalijum superoksid – Serbian" lang="sr" hreflang="sr" data-title="Kalijum superoksid" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Kalijum_superoksid" title="Kalijum superoksid – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Kalijum superoksid" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Kaliumsuperoksidi" title="Kaliumsuperoksidi – Finnish" lang="fi" hreflang="fi" data-title="Kaliumsuperoksidi" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9D%D0%B0%D0%B4%D0%BF%D0%B5%D1%80%D0%BE%D0%BA%D1%81%D0%B8%D0%B4_%D0%BA%D0%B0%D0%BB%D1%96%D1%8E" title="Надпероксид калію – Ukrainian" lang="uk" hreflang="uk" data-title="Надпероксид калію" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Kali_superoxide" title="Kali superoxide – Vietnamese" lang="vi" hreflang="vi" data-title="Kali superoxide" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a 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typeof="mw:File"><a href="/wiki/File:Potassium-superoxide-unit-cell-3D-ionic.png" class="mw-file-description" title="Unit cell of potassium superoxide"><img alt="Unit cell of potassium superoxide" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Potassium-superoxide-unit-cell-3D-ionic.png/220px-Potassium-superoxide-unit-cell-3D-ionic.png" decoding="async" width="220" height="195" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Potassium-superoxide-unit-cell-3D-ionic.png/330px-Potassium-superoxide-unit-cell-3D-ionic.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Potassium-superoxide-unit-cell-3D-ionic.png/440px-Potassium-superoxide-unit-cell-3D-ionic.png 2x" data-file-width="1100" data-file-height="973" /></a></span><br /><div style="text-align:center;"><style data-mw-deduplicate="TemplateStyles:r981673959">.mw-parser-output .legend{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .legend-color{display:inline-block;min-width:1.25em;height:1.25em;line-height:1.25;margin:1px 0;text-align:center;border:1px solid black;background-color:transparent;color:black}.mw-parser-output .legend-text{}</style><div class="legend"><span class="legend-color mw-no-invert" style="background-color:rgb(160,0,224); color:white;"> </span> Potassium cations, <style data-mw-deduplicate="TemplateStyles:r1123817410">.mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:block;text-align:left}.mw-parser-output sub.template-chem2-sub{font-size:80%;vertical-align:-0.35em}.mw-parser-output sup.template-chem2-sup{font-size:80%;vertical-align:0.65em}</style><span class="chemf nowrap">K<sup class="template-chem2-sup">+</sup></span></div><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><div class="legend"><span class="legend-color mw-no-invert" style="background-color:red; color:black;"> </span> Superoxide anions, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">O<span class="template-chem2-su"><span>−</span><span>2</span></span></span></div></div> </td></tr> <tr> <td colspan="2" style="text-align:center; padding:2px;"><span typeof="mw:File"><a href="/wiki/File:Potassium_superoxide_powder.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8d/Potassium_superoxide_powder.png/220px-Potassium_superoxide_powder.png" decoding="async" width="220" height="90" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8d/Potassium_superoxide_powder.png/330px-Potassium_superoxide_powder.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8d/Potassium_superoxide_powder.png/440px-Potassium_superoxide_powder.png 2x" data-file-width="535" data-file-height="219" /></a></span> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Names </th></tr> <tr> <td colspan="2" style="text-align:left;"><a href="/wiki/Chemical_nomenclature" title="Chemical nomenclature">IUPAC name</a> <div style="max-width:22em; word-wrap:break-word; padding-left:1.7em;">Potassium superoxide</div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Identifiers </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/CAS_Registry_Number" title="CAS Registry Number">CAS Number</a></div> </td> <td><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li><span title="commonchemistry.cas.org"><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=12030-88-5">12030-88-5</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">3D model (<a href="/wiki/JSmol" class="mw-redirect" title="JSmol">JSmol</a>)</div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="chemapps.stolaf.edu (3D interactive model)"><a rel="nofollow" class="external text" href="https://chemapps.stolaf.edu/jmol/jmol.php?model=%5BK%2B%5D.%5BO-%5D%3DO">Interactive image</a></span></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ChemSpider" title="ChemSpider">ChemSpider</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.chemspider.com"><a rel="nofollow" class="external text" href="https://www.chemspider.com/Chemical-Structure.8329498.html">8329498</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ECHA_InfoCard" class="mw-redirect" title="ECHA InfoCard"><span title="echa.europa.eu">ECHA InfoCard</span></a> </td> <td><a rel="nofollow" class="external text" href="https://echa.europa.eu/substance-information/-/substanceinfo/100.031.574">100.031.574</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q411162#P2566" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span> </td></tr> <tr> <td><a href="/wiki/European_Community_number" title="European Community number"><span title="European Community number (chemical identifier)">EC Number</span></a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li>234-746-5</li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/PubChem" title="PubChem">PubChem</a> <abbr title="Compound ID">CID</abbr></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="pubchem.ncbi.nlm.nih.gov"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/61541">61541</a></span></li></ul></div> </td></tr> <tr> <td><a href="/wiki/RTECS" class="mw-redirect" title="RTECS">RTECS number</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li>TT6053000</li></ul></div> </td></tr> <tr> <td><a href="/wiki/UN_number" title="UN number">UN number</a> </td> <td>2466 </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/CompTox_Chemicals_Dashboard" title="CompTox Chemicals Dashboard">CompTox Dashboard</a> <span style="font-weight:normal">(<abbr title="U.S. Environmental Protection Agency">EPA</abbr>)</span></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="comptox.epa.gov"><a rel="nofollow" class="external text" href="https://comptox.epa.gov/dashboard/chemical/details/DTXSID30923314">DTXSID30923314</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q411162#P3117" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></li></ul></div> </td></tr> <tr> <td colspan="2"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold; text-align:left; font-weight:normal; background:transparent;"><div><a href="/wiki/International_Chemical_Identifier" title="International Chemical Identifier">InChI</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.5em; text-align:left;"><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">InChI=1S/2K.O2/c;;1-2/q2*+1;-2<sup> <span typeof="mw:File"><span><img alt="☒" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/7px-X_mark.svg.png" decoding="async" width="7" height="8" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/11px-X_mark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/14px-X_mark.svg.png 2x" data-file-width="525" data-file-height="600" /></span></span><span style="display:none">N</span></sup></div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key: XXQBEVHPUKOQEO-UHFFFAOYSA-N<sup> <span typeof="mw:File"><span><img alt="☒" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/7px-X_mark.svg.png" decoding="async" width="7" height="8" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/11px-X_mark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/14px-X_mark.svg.png 2x" data-file-width="525" data-file-height="600" /></span></span><span style="display:none">N</span></sup></div></div></li><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.5em; text-align:left;"><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">InChI=1/2K.O2/c;;1-2/q2*+1;-2</div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key: XXQBEVHPUKOQEO-UHFFFAOYAV</div></div></li></ul> </div> </td></tr> <tr> <td colspan="2"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold; text-align:left; font-weight:normal; background:transparent;"><div><a href="/wiki/Simplified_molecular-input_line-entry_system" class="mw-redirect" title="Simplified molecular-input line-entry system">SMILES</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.6em; word-wrap:break-word; text-indent:-1.5em; text-align:left; font-size:97%; line-height:120%;">[K+].[O-]=O</div></li></ul> </div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Properties </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Chemical_formula" title="Chemical formula">Chemical formula</a></div> </td> <td><span title="Potassium">K</span><span title="Oxygen">O</span><sub>2</sub> </td></tr> <tr> <td><a href="/wiki/Molar_mass" title="Molar mass">Molar mass</a> </td> <td><span class="nowrap"><span data-sort-value="7001710960000000000♠"></span>71.096</span> g·mol<sup>−1</sup>   </td></tr> <tr> <td>Appearance </td> <td>yellow solid </td></tr> <tr> <td><a href="/wiki/Density" title="Density">Density</a> </td> <td>2.14 g/cm<sup>3</sup>, solid </td></tr> <tr> <td><a href="/wiki/Melting_point" title="Melting point">Melting point</a> </td> <td>560 °C (1,040 °F; 833 K) (decomposes) </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Aqueous_solution" title="Aqueous solution">Solubility in water</a></div> </td> <td><a href="/wiki/Hydrolysis" title="Hydrolysis">Hydrolysis</a> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Magnetic_susceptibility" title="Magnetic susceptibility">Magnetic susceptibility</a> (χ)</div> </td> <td>+3230·10<sup>−6</sup> cm<sup>3</sup>/mol<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> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Structure </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Crystal_structure" title="Crystal structure">Crystal structure</a></div> </td> <td>Body-centered tetragonal<sup id="cite_ref-Abrahams_2-0" class="reference"><a href="#cite_note-Abrahams-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><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> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Thermochemistry </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Standard_molar_entropy" title="Standard molar entropy">Std molar<br />entropy</a> <span style="font-size:112%;">(<i>S</i><sup>⦵</sup><sub>298</sub>)</span></div> </td> <td>117 J/(mol·K)<sup id="cite_ref-b1_4-0" class="reference"><a href="#cite_note-b1-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Standard_enthalpy_change_of_formation" class="mw-redirect" title="Standard enthalpy change of formation">Std enthalpy of<br />formation</a> <span style="font-size:112%;">(Δ<sub>f</sub><i>H</i><sup>⦵</sup><sub>298</sub>)</span></div> </td> <td>−283 kJ/mol<sup id="cite_ref-b1_4-1" class="reference"><a href="#cite_note-b1-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Hazards </th></tr> <tr> <td colspan="2" style="text-align:left; background-color:#eaeaea;"><b><a href="/wiki/Occupational_safety_and_health" title="Occupational safety and health">Occupational safety and health</a></b> (OHS/OSH): </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Main hazards</div> </td> <td>Corrosive, oxidizer, reacts violently with water </td></tr> <tr> <td colspan="2" style="text-align:left; background-color:#eaeaea;"><a href="/wiki/Globally_Harmonized_System_of_Classification_and_Labelling_of_Chemicals" title="Globally Harmonized System of Classification and Labelling of Chemicals"><b>GHS</b> labelling</a>:<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> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/GHS_hazard_pictograms" title="GHS hazard pictograms">Pictograms</a></div> </td> <td><span typeof="mw:File"><a href="/wiki/File:GHS-pictogram-rondflam.svg" class="mw-file-description" title="GHS03: Oxidizing"><img alt="GHS03: Oxidizing" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/GHS-pictogram-rondflam.svg/50px-GHS-pictogram-rondflam.svg.png" decoding="async" width="50" height="50" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e5/GHS-pictogram-rondflam.svg/75px-GHS-pictogram-rondflam.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e5/GHS-pictogram-rondflam.svg/100px-GHS-pictogram-rondflam.svg.png 2x" data-file-width="724" data-file-height="724" /></a></span><span typeof="mw:File"><a href="/wiki/File:GHS-pictogram-acid.svg" class="mw-file-description" title="GHS05: Corrosive"><img alt="GHS05: Corrosive" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a1/GHS-pictogram-acid.svg/50px-GHS-pictogram-acid.svg.png" decoding="async" width="50" height="50" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a1/GHS-pictogram-acid.svg/75px-GHS-pictogram-acid.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a1/GHS-pictogram-acid.svg/100px-GHS-pictogram-acid.svg.png 2x" data-file-width="724" data-file-height="724" /></a></span> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Globally_Harmonized_System_of_Classification_and_Labelling_of_Chemicals#Signal_word" title="Globally Harmonized System of Classification and Labelling of Chemicals">Signal word</a></div> </td> <td><b>Danger</b> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/GHS_hazard_statements" title="GHS hazard statements">Hazard statements</a></div> </td> <td><abbr class="abbr" title="H271: May cause fire or explosion: strong oxidizer">H271</abbr>, <abbr class="abbr" title="H314: Causes severe skin burns and eye damage">H314</abbr> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/GHS_precautionary_statements" title="GHS precautionary statements">Precautionary statements</a></div> </td> <td><abbr class="abbr" title="P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.">P210</abbr>, <abbr class="abbr" title="P220: Keep/Store away from clothing/.../combustible materials.">P220</abbr>, <abbr class="abbr" title="P221: Take any precaution to avoid mixing with combustibles.">P221</abbr>, <abbr class="abbr" title="P260: Do not breathe dust/fume/gas/mist/vapours/spray.">P260</abbr>, <abbr class="abbr" title="P264: Wash ... thoroughly after handling.">P264</abbr>, <abbr class="abbr" title="P280: Wear protective gloves/protective clothing/eye protection/face protection.">P280</abbr>, <abbr class="abbr" title="P283: Wear fire resistant or flame retardant clothing.">P283</abbr>, <abbr class="abbr" title="P301+P330+P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.">P301+P330+P331</abbr>, <abbr class="abbr" title="P303+P361+P353: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water [or shower].">P303+P361+P353</abbr>, <abbr class="abbr" title="P304+P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.">P304+P340</abbr>, <abbr class="abbr" title="P305+P351+P338: IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.">P305+P351+P338</abbr>, <abbr class="abbr" title="P306+P360: IF ON CLOTHING: Rinse immediately contaminated clothing and skin with plenty of water before removing clothes.">P306+P360</abbr>, <abbr class="abbr" title="P310: Immediately call a POISON CENTER or doctor/physician.">P310</abbr>, <abbr class="abbr" title="P321: Specific treatment (see ... on this label).">P321</abbr>, <abbr class="abbr" title="P363: Wash contaminated clothing before reuse.">P363</abbr>, <abbr class="abbr" title="P370+P378: In case of fire: Use ... to extinguish.">P370+P378</abbr>, <abbr class="abbr" title="P371+P380+P375: In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion.">P371+P380+P375</abbr>, <abbr class="abbr" title="P405: Store locked up.">P405</abbr>, <abbr class="abbr" title="P501: Dispose of contents/container to ...">P501</abbr> </td></tr> <tr> <td><a href="/wiki/NFPA_704" title="NFPA 704"><b>NFPA 704</b></a> (fire diamond) </td> <td><style data-mw-deduplicate="TemplateStyles:r1170367383">.mw-parser-output .nfpa-704-diamond-ref{float:right;padding:1px;text-align:right}.mw-parser-output .nfpa-704-diamond-container{width:82px;font-family:sans-serif;margin:0 auto}.mw-parser-output .nfpa-704-diamond-container-ref{float:left;margin-left:1em}.mw-parser-output .nfpa-704-diamond-images{float:left;font-size:20px;text-align:center;position:relative;height:80px;width:80px;padding:1px}.mw-parser-output .nfpa-704-diamond-map{position:absolute;height:80px;width:80px}.mw-parser-output .nfpa-704-diamond .noresize{margin:0 auto}.mw-parser-output .nfpa-704-diamond-code{line-height:1em;text-align:center;position:absolute}.mw-parser-output .nfpa-704-diamond-code>a{color:black}.mw-parser-output .nfpa-704-diamond-blue{width:13px;top:31px;left:15px}.mw-parser-output .nfpa-704-diamond-red{width:12px;top:12px;left:35px}.mw-parser-output .nfpa-704-diamond-yellow{width:13px;top:31px;left:54px}.mw-parser-output .nfpa-704-diamond-white-image{position:relative;top:51px;left:0}.mw-parser-output .nfpa-704-diamond-white-text{vertical-align:middle;text-align:center;line-height:80%;position:absolute;top:52px}.mw-parser-output .nfpa-704-diamond-white-text a>span{position:absolute;color:black}.mw-parser-output .nfpa-704-diamond-white-wors{font-size:15px;width:23px;left:29px}.mw-parser-output .nfpa-704-diamond-white-wox{font-size:15px;font-stretch:condensed;width:21px;line-height:80%;top:-4px;left:29px}.mw-parser-output .nfpa-704-diamond-white-abcp{font-size:13.5px;font-stretch:condensed;width:28px;left:26px}.mw-parser-output .nfpa-704-diamond-white-ac{font-size:10px;width:30px;left:25px}.mw-parser-output .nfpa-704-diamond-white-strike{text-decoration:line-through}</style><div class="nfpa-704-diamond notheme"><div class="nfpa-704-diamond-container"><div class="nfpa-704-diamond-images nounderlines"> <div class="nfpa-704-diamond-map"><figure class="noresize" typeof="mw:File"><span><img alt="NFPA 704 four-colored diamond" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/80px-NFPA_704.svg.png" decoding="async" width="80" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/120px-NFPA_704.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6f/NFPA_704.svg/160px-NFPA_704.svg.png 2x" data-file-width="512" data-file-height="512" usemap="#ImageMap_bda0e9c2c697e378" /></span><map name="ImageMap_bda0e9c2c697e378"><area href="/wiki/NFPA_704#Blue" shape="poly" coords="23,23,47,47,23,70,0,47" alt="Health 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gas" title="Health 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gas" /><area href="/wiki/NFPA_704#Red" shape="poly" coords="47,0,70,23,47,47,23,23" alt="Flammability 0: Will not burn. E.g. water" title="Flammability 0: Will not burn. E.g. water" /><area href="/wiki/NFPA_704#Yellow" shape="poly" coords="70,23,94,47,70,70,47,47" alt="Instability 3: Capable of detonation or explosive decomposition but requires a strong initiating source, must be heated under confinement before initiation, reacts explosively with water, or will detonate if severely shocked. E.g. hydrogen peroxide" title="Instability 3: Capable of detonation or explosive decomposition but requires a strong initiating source, must be heated under confinement before initiation, reacts explosively with water, or will detonate if severely shocked. E.g. hydrogen peroxide" /><area href="/wiki/NFPA_704#White" shape="poly" coords="47,47,70,70,47,94,23,70" alt="Special hazard W+OX: Reacts with water in an unusual or dangerous manner AND is oxidizer" title="Special hazard W+OX: Reacts with water in an unusual or dangerous manner AND is oxidizer" /></map><figcaption></figcaption></figure></div><div class="nfpa-704-diamond-code nfpa-704-diamond-blue"> <a href="/wiki/NFPA_704#Blue" title="NFPA 704"><span title="Health 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gas" class="notheme mw-no-invert">3</span></a></div><div class="nfpa-704-diamond-code nfpa-704-diamond-red"> <a href="/wiki/NFPA_704#Red" title="NFPA 704"><span title="Flammability 0: Will not burn. E.g. water" class="notheme mw-no-invert">0</span></a></div><div class="nfpa-704-diamond-code nfpa-704-diamond-yellow"> <a href="/wiki/NFPA_704#Yellow" title="NFPA 704"><span title="Instability 3: Capable of detonation or explosive decomposition but requires a strong initiating source, must be heated under confinement before initiation, reacts explosively with water, or will detonate if severely shocked. E.g. hydrogen peroxide" class="notheme mw-no-invert">3</span></a></div><div class="nfpa-704-diamond-white-text mw-no-invert"><a href="/wiki/NFPA_704#White" title="NFPA 704"><span class="nfpa-704-diamond-white-wox" title="Special hazard W+OX: Reacts with water in an unusual or dangerous manner AND is oxidizer"><span class="nfpa-704-diamond-white-strike">W</span><br />OX</span></a></div></div></div></div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Related compounds </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Other <a href="/wiki/Ion" title="Ion">cations</a></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><a href="/wiki/Lithium_superoxide" title="Lithium superoxide">Lithium superoxide</a></li><li><a href="/wiki/Sodium_superoxide" title="Sodium superoxide">Sodium superoxide</a></li><li><a href="/wiki/Rubidium_superoxide" title="Rubidium superoxide">Rubidium superoxide</a></li><li><a href="/wiki/Caesium_superoxide" title="Caesium superoxide">Caesium superoxide</a></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Related <a href="/wiki/Potassium" title="Potassium">potassium</a> <a href="/wiki/Oxide" title="Oxide">oxides</a></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><a href="/wiki/Potassium_oxide" title="Potassium oxide">Potassium oxide</a></li><li><a href="/wiki/Potassium_peroxide" title="Potassium peroxide">Potassium peroxide</a></li><li><a href="/wiki/Potassium_ozonide" title="Potassium ozonide">Potassium ozonide</a></li></ul></div> </td></tr> <tr> <td colspan="2" style="text-align:left; background:#f8eaba; border:1px solid #a2a9b1;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Except where otherwise noted, data are given for materials in their <a href="/wiki/Standard_state" title="Standard state">standard state</a> (at 25 °C [77 °F], 100 kPa).</div> <div style="margin-top: 0.3em;"><div style="text-align:center;"><span typeof="mw:File"><span><img alt="☒" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/12px-X_mark.svg.png" decoding="async" width="12" height="14" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/18px-X_mark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/24px-X_mark.svg.png 2x" data-file-width="525" data-file-height="600" /></span></span><span style="display:none">N</span> <span class="reflink plainlinks nourlexpansion"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Special:ComparePages&rev1=449304270&page2=Potassium+superoxide">verify</a></span> (<a href="/wiki/Wikipedia:WikiProject_Chemicals/Chembox_validation" title="Wikipedia:WikiProject Chemicals/Chembox validation">what is</a> <sup><span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span><span typeof="mw:File"><span><img alt="☒" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/7px-X_mark.svg.png" decoding="async" width="7" height="8" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/11px-X_mark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/14px-X_mark.svg.png 2x" data-file-width="525" data-file-height="600" /></span></span><span style="display:none">N</span></sup> ?) </div></div> <div style="margin-top: 0.3em; text-align: center;"><a href="/wiki/Wikipedia:Chemical_infobox#References" title="Wikipedia:Chemical infobox">Infobox references</a></div> </td></tr> </tbody></table><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Chemical compound</div> <p><b>Potassium superoxide</b> is an <a href="/wiki/Inorganic_compound" title="Inorganic compound">inorganic compound</a> with the formula <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Potassium" title="Potassium">K</a><a href="/wiki/Oxygen" title="Oxygen">O</a><sub class="template-chem2-sub">2</sub></span>.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> It is a yellow <a href="/wiki/Paramagnetic" class="mw-redirect" title="Paramagnetic">paramagnetic</a> solid that decomposes in moist air. It is a rare example of a stable salt of the <a href="/wiki/Superoxide" title="Superoxide">superoxide</a> anion. It is used as a <a href="/wiki/Carbon_dioxide" title="Carbon dioxide"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">CO<sub class="template-chem2-sub">2</sub></span></a> scrubber, <a href="/wiki/Water" title="Water"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">H<sub class="template-chem2-sub">2</sub>O</span></a> dehumidifier, and <a href="/wiki/Oxygen" title="Oxygen"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">O<sub class="template-chem2-sub">2</sub></span></a> generator in <a href="/wiki/Rebreather" title="Rebreather">rebreathers</a>, <a href="/wiki/Spacecraft" title="Spacecraft">spacecraft</a>, <a href="/wiki/Submarines" class="mw-redirect" title="Submarines">submarines</a>, and <a href="/wiki/Spacesuit" class="mw-redirect" title="Spacesuit">spacesuits</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Production_and_reactions">Production and reactions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Potassium_superoxide&action=edit&section=1" title="Edit section: Production and reactions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Potassium superoxide is produced by burning molten potassium in an atmosphere of excess <a href="/wiki/Oxygen" title="Oxygen">oxygen</a>.<sup id="cite_ref-Ullmann_7-0" class="reference"><a href="#cite_note-Ullmann-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">K + O<sub class="template-chem2-sub">2</sub> → KO<sub class="template-chem2-sub">2</sub></span></dd></dl> <p>The salt consists of <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">K<sup class="template-chem2-sup">+</sup></span> and <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">O<span class="template-chem2-su"><span>−</span><span>2</span></span></span> ions, linked by ionic bonding. The O–O distance is 1.28 Å.<sup id="cite_ref-Abrahams_2-1" class="reference"><a href="#cite_note-Abrahams-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Reactivity">Reactivity</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Potassium_superoxide&action=edit&section=2" title="Edit section: Reactivity"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Potassium superoxide is a source of superoxide, which is an oxidant and a nucleophile, depending on its reaction partner.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>Upon contact with water, it undergoes <a href="/wiki/Disproportionation" title="Disproportionation">disproportionation</a> to <a href="/wiki/Potassium_hydroxide" title="Potassium hydroxide">potassium hydroxide</a>, oxygen, and hydrogen peroxide: </p> <dl><dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">4 KO<sub class="template-chem2-sub">2</sub> + 2 H<sub class="template-chem2-sub">2</sub>O → 4 KOH + 3 O<sub class="template-chem2-sub">2</sub></span></dd> <dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">2 KO<sub class="template-chem2-sub">2</sub> + 2 H<sub class="template-chem2-sub">2</sub>O → 2 KOH + H<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">2</sub> + O<sub class="template-chem2-sub">2</sub></span><sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup></dd></dl> <p>It reacts with carbon dioxide, releasing oxygen: </p> <dl><dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">4 KO<sub class="template-chem2-sub">2</sub> + 2 CO<sub class="template-chem2-sub">2</sub> → 2 K<sub class="template-chem2-sub">2</sub>CO<sub class="template-chem2-sub">3</sub> + 3 O<sub class="template-chem2-sub">2</sub></span></dd> <dd><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">4 KO<sub class="template-chem2-sub">2</sub> + 4 CO<sub class="template-chem2-sub">2</sub> + 2 H<sub class="template-chem2-sub">2</sub>O → 4 KHCO<sub class="template-chem2-sub">3</sub> + 3 O<sub class="template-chem2-sub">2</sub></span></dd></dl> <p>Potassium superoxide finds only niche uses as a laboratory reagent. Because it reacts with water, <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">KO<sub class="template-chem2-sub">2</sub></span> is often studied in organic solvents. Since the salt is poorly soluble in nonpolar solvents, <a href="/wiki/Crown_ether" title="Crown ether">crown ethers</a> are typically used. The <a href="/wiki/Tetraethylammonium" title="Tetraethylammonium">tetraethylammonium</a> salt is also known. Representative reactions of these salts involve using superoxide as a <a href="/wiki/Nucleophile" title="Nucleophile">nucleophile</a>, e.g., in converting alkyl bromides to alcohols and acyl chlorides to <a href="/wiki/Diacyl_peroxide" class="mw-redirect" title="Diacyl peroxide">diacyl peroxides</a>.<sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p><p>Ion exchange with <a href="/wiki/Tetramethylammonium_hydroxide" title="Tetramethylammonium hydroxide">tetramethylammonium hydroxide</a> gives tetramethylammonium superoxide, a yellow solid.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Applications">Applications</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Potassium_superoxide&action=edit&section=3" title="Edit section: Applications"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The <a href="/wiki/Russian_Space_Agency" class="mw-redirect" title="Russian Space Agency">Russian Space Agency</a> has had success using potassium superoxide in <a href="/wiki/Chemical_oxygen_generator" title="Chemical oxygen generator">chemical oxygen generators</a> for its spacesuits and <a href="/wiki/Soyuz_spacecraft" class="mw-redirect" title="Soyuz spacecraft">Soyuz spacecraft</a>. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">KO<sub class="template-chem2-sub">2</sub></span> has also been used in canisters for rebreathers for <a href="/wiki/Fire_fighting" class="mw-redirect" title="Fire fighting">fire fighting</a> and <a href="/wiki/Mine_rescue" title="Mine rescue">mine rescue</a> work, but had limited use in <a href="/wiki/Scuba_set" title="Scuba set">scuba</a> rebreathers because of its highly exothermic reaction with water. Potassium superoxide was used in a rudimentary life support system for five mice as part of the Biological Cosmic Ray Experiment on Apollo 17.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p><p>Theoretically, 1 kg of <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">KO<sub class="template-chem2-sub">2</sub></span> absorbs 0.310 kg of CO<sub style="font-size: 80%;vertical-align: -0.35em">2</sub> while releasing 0.338 kg of <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">O<sub class="template-chem2-sub">2</sub></span>. One mole of <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">KO<sub class="template-chem2-sub">2</sub></span> absorbs 0.5 moles of CO<sub style="font-size: 80%;vertical-align: -0.35em">2</sub> and releases 0.75 moles of oxygen. </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Potassium_superoxide&action=edit&section=4" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://hbcp.chemnetbase.com/faces/contents/ContentsSearch.xhtml">"Handbook of Chemistry and Physics 102nd Edition"</a>. <a href="/wiki/CRC_Press" title="CRC Press">CRC Press</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Handbook+of+Chemistry+and+Physics+102nd+Edition&rft.pub=CRC+Press&rft_id=https%3A%2F%2Fhbcp.chemnetbase.com%2Ffaces%2Fcontents%2FContentsSearch.xhtml&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotassium+superoxide" class="Z3988"></span></span> </li> <li id="cite_note-Abrahams-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-Abrahams_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Abrahams_2-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAbrahamsKalnajs1955" class="citation journal cs1">Abrahams, S. C.; Kalnajs, J. (1955). <a rel="nofollow" class="external text" href="https://doi.org/10.1107%2FS0365110X55001540">"The Crystal Structure of α-Potassium Superoxide"</a>. <i>Acta Crystallographica</i>. <b>8</b> (8): 503–6. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1107%2FS0365110X55001540">10.1107/S0365110X55001540</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Acta+Crystallographica&rft.atitle=The+Crystal+Structure+of+%CE%B1-Potassium+Superoxide&rft.volume=8&rft.issue=8&rft.pages=503-6&rft.date=1955&rft_id=info%3Adoi%2F10.1107%2FS0365110X55001540&rft.aulast=Abrahams&rft.aufirst=S.+C.&rft.au=Kalnajs%2C+J.&rft_id=https%3A%2F%2Fdoi.org%2F10.1107%252FS0365110X55001540&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotassium+superoxide" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.crystallography.net/cod/2310803.html">"Information card for entry 2310803"</a>. <i><a href="/wiki/Crystallography_Open_Database" title="Crystallography Open Database">Crystallography Open Database</a></i><span class="reference-accessdate">. Retrieved <span class="nowrap">28 July</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Crystallography+Open+Database&rft.atitle=Information+card+for+entry+2310803&rft_id=http%3A%2F%2Fwww.crystallography.net%2Fcod%2F2310803.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotassium+superoxide" class="Z3988"></span></span> </li> <li id="cite_note-b1-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-b1_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-b1_4-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFZumdahl2009" class="citation book cs1">Zumdahl, Steven S. (2009). <i>Chemical Principles</i> (6th ed.). Houghton Mifflin. p. A22. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-618-94690-7" title="Special:BookSources/978-0-618-94690-7"><bdi>978-0-618-94690-7</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Chemical+Principles&rft.pages=A22&rft.edition=6th&rft.pub=Houghton+Mifflin&rft.date=2009&rft.isbn=978-0-618-94690-7&rft.aulast=Zumdahl&rft.aufirst=Steven+S.&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotassium+superoxide" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/61541#section=Safety-and-Hazards">"Potassium superoxide"</a>. <i>pubchem.ncbi.nlm.nih.gov</i><span class="reference-accessdate">. Retrieved <span class="nowrap">14 December</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=pubchem.ncbi.nlm.nih.gov&rft.atitle=Potassium+superoxide&rft_id=https%3A%2F%2Fpubchem.ncbi.nlm.nih.gov%2Fcompound%2F61541%23section%3DSafety-and-Hazards&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotassium+superoxide" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHayyan_M.Hashim_M._A.AlNashef_I._M.2016" class="citation journal cs1">Hayyan M.; Hashim M. A.; AlNashef I. M. (2016). <a rel="nofollow" class="external text" href="https://doi.org/10.1021%2Facs.chemrev.5b00407">"Superoxide Ion: Generation and Chemical Implications"</a>. <i>Chem. Rev</i>. <b>116</b> (5): 3029–3085. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1021%2Facs.chemrev.5b00407">10.1021/acs.chemrev.5b00407</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/26875845">26875845</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Chem.+Rev.&rft.atitle=Superoxide+Ion%3A+Generation+and+Chemical+Implications&rft.volume=116&rft.issue=5&rft.pages=3029-3085&rft.date=2016&rft_id=info%3Adoi%2F10.1021%2Facs.chemrev.5b00407&rft_id=info%3Apmid%2F26875845&rft.au=Hayyan+M.&rft.au=Hashim+M.+A.&rft.au=AlNashef+I.+M.&rft_id=https%3A%2F%2Fdoi.org%2F10.1021%252Facs.chemrev.5b00407&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotassium+superoxide" class="Z3988"></span></span> </li> <li id="cite_note-Ullmann-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-Ullmann_7-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJakobLeiningerLehmannJacobi2007" class="citation book cs1">Jakob, Harald; Leininger, Stefan; Lehmann, Thomas; Jacobi, Sylvia; Gutewort, Sven (2007). "Peroxo Compounds, Inorganic". <i>Ullmann's Encyclopedia of Industrial Chemistry</i>. Wiley-VCH. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1002%2F14356007.a19_177.pub2">10.1002/14356007.a19_177.pub2</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-3527306732" title="Special:BookSources/978-3527306732"><bdi>978-3527306732</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Peroxo+Compounds%2C+Inorganic&rft.btitle=Ullmann%27s+Encyclopedia+of+Industrial+Chemistry&rft.pub=Wiley-VCH&rft.date=2007&rft_id=info%3Adoi%2F10.1002%2F14356007.a19_177.pub2&rft.isbn=978-3527306732&rft.aulast=Jakob&rft.aufirst=Harald&rft.au=Leininger%2C+Stefan&rft.au=Lehmann%2C+Thomas&rft.au=Jacobi%2C+Sylvia&rft.au=Gutewort%2C+Sven&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotassium+superoxide" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJohnsonAdrioRibagorda2007" class="citation book cs1">Johnson, Roy A.; Adrio, Javier; Ribagorda, María (2007). "Potassium Superoxide". <i>Encyclopedia of Reagents for Organic Synthesis</i>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1002%2F047084289X.rp250.pub2">10.1002/047084289X.rp250.pub2</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0471936237" title="Special:BookSources/978-0471936237"><bdi>978-0471936237</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Potassium+Superoxide&rft.btitle=Encyclopedia+of+Reagents+for+Organic+Synthesis&rft.date=2007&rft_id=info%3Adoi%2F10.1002%2F047084289X.rp250.pub2&rft.isbn=978-0471936237&rft.aulast=Johnson&rft.aufirst=Roy+A.&rft.au=Adrio%2C+Javier&rft.au=Ribagorda%2C+Mar%C3%ADa&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotassium+superoxide" class="Z3988"></span></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKumar_De2007" class="citation book cs1">Kumar De, Anil (2007). <i>A Text Book of Inorganic Chemistry</i>. New Age International. p. 247. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-8122413847" title="Special:BookSources/978-8122413847"><bdi>978-8122413847</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=A+Text+Book+of+Inorganic+Chemistry&rft.pages=247&rft.pub=New+Age+International&rft.date=2007&rft.isbn=978-8122413847&rft.aulast=Kumar+De&rft.aufirst=Anil&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotassium+superoxide" class="Z3988"></span></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJohnsonAdrioRibagorda2001" class="citation book cs1">Johnson, Roy A.; Adrio, Javier; Ribagorda, María (2001). "Potassium Superoxide". <i>e-EROS Encyclopedia of Reagents for Organic Synthesis</i>. Wiley. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1002%2F047084289X.rp250.pub2">10.1002/047084289X.rp250.pub2</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0471936235" title="Special:BookSources/0471936235"><bdi>0471936235</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Potassium+Superoxide&rft.btitle=e-EROS+Encyclopedia+of+Reagents+for+Organic+Synthesis&rft.pub=Wiley&rft.date=2001&rft_id=info%3Adoi%2F10.1002%2F047084289X.rp250.pub2&rft.isbn=0471936235&rft.aulast=Johnson&rft.aufirst=Roy+A.&rft.au=Adrio%2C+Javier&rft.au=Ribagorda%2C+Mar%C3%ADa&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotassium+superoxide" class="Z3988"></span></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBohleSagan2004" class="citation book cs1">Bohle, D. Scott; Sagan, Elisabeth S. (2004). <i>Tetramethylammonium Salts of Superoxide and Peroxynitrite</i>. Inorganic Syntheses. p. 36. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1002%2F0471653683.ch1">10.1002/0471653683.ch1</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Tetramethylammonium+Salts+of+Superoxide+and+Peroxynitrite&rft.series=Inorganic+Syntheses&rft.pages=36&rft.date=2004&rft_id=info%3Adoi%2F10.1002%2F0471653683.ch1&rft.aulast=Bohle&rft.aufirst=D.+Scott&rft.au=Sagan%2C+Elisabeth+S.&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotassium+superoxide" class="Z3988"></span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHaymakerLookBentonRichard_C._Simmonds1975" class="citation journal cs1 cs1-prop-long-vol">Haymaker, Webb; Look, Bonne C.; Benton, Eugene V.; Richard C. Simmonds (1975-01-01). <a rel="nofollow" class="external text" href="https://ntrs.nasa.gov/citations/19760005599">"The Apollo 17 pocket mouse experiment (Biocore)"</a>. <i>Biomedical Results of Apollo</i>. NASA-SP-368.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Biomedical+Results+of+Apollo&rft.atitle=The+Apollo+17+pocket+mouse+experiment+%28Biocore%29&rft.volume=NASA-SP-368&rft.date=1975-01-01&rft.aulast=Haymaker&rft.aufirst=Webb&rft.au=Look%2C+Bonne+C.&rft.au=Benton%2C+Eugene+V.&rft.au=Richard+C.+Simmonds&rft_id=https%3A%2F%2Fntrs.nasa.gov%2Fcitations%2F19760005599&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotassium+superoxide" class="Z3988"></span></span> </li> </ol></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output 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abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Potassium_compounds" title="Template:Potassium compounds"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Potassium_compounds" title="Template talk:Potassium compounds"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Potassium_compounds" title="Special:EditPage/Template:Potassium compounds"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Potassium_compounds" style="font-size:114%;margin:0 4em"><a href="/wiki/Potassium_compounds" class="mw-redirect" title="Potassium compounds">Potassium compounds</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">H, (pseudo)halogens</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Potassium_fluoride" title="Potassium fluoride">KF</a></li> <li><a href="/wiki/Potassium_bifluoride" title="Potassium bifluoride">KHF<sub>2</sub></a></li> <li><a href="/wiki/Potassium_hydride" title="Potassium hydride">KH</a></li> <li><a href="/wiki/Potassium_chloride" title="Potassium chloride">KCl</a></li> <li><a href="/wiki/Potassium_hypochlorite" title="Potassium hypochlorite">KClO</a></li> <li><a href="/wiki/Potassium_chlorate" title="Potassium chlorate">KClO<sub>3</sub></a></li> <li><a href="/wiki/Potassium_perchlorate" title="Potassium perchlorate">KClO<sub>4</sub></a></li> <li><a href="/wiki/Potassium_bromide" title="Potassium bromide">KBr</a></li> <li><a href="/wiki/Potassium_bromate" title="Potassium bromate">KBrO<sub>3</sub></a></li> <li><a href="/wiki/Potassium_iodide" title="Potassium iodide">KI</a></li> <li><a href="/wiki/Potassium_iodate" title="Potassium iodate">KIO<sub>3</sub></a></li> <li><a href="/wiki/Potassium_periodate" title="Potassium periodate">KIO<sub>4</sub></a></li> <li><a href="/w/index.php?title=Potassium_astatide&action=edit&redlink=1" class="new" title="Potassium astatide (page does not exist)">KAt</a></li> <li><a href="/wiki/Potassium_cyanide" title="Potassium cyanide">KCN</a></li> <li><a href="/wiki/Potassium_fulminate" title="Potassium fulminate">KCNO</a></li> <li><a href="/wiki/Potassium_cyanate" title="Potassium cyanate">KOCN</a></li> <li><a href="/wiki/Potassium_thiocyanate" title="Potassium thiocyanate">KSCN</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">chalcogens</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Potassium_oxide" title="Potassium oxide">K<sub>2</sub>O</a></li> <li><a href="/wiki/Potassium_hydroxide" title="Potassium hydroxide">KOH</a></li> <li><a href="/wiki/Potassium_peroxide" title="Potassium peroxide">K<sub>2</sub>O<sub>2</sub></a></li> <li><a class="mw-selflink selflink">KO<sub>2</sub></a></li> <li><a href="/wiki/Potassium_ozonide" title="Potassium ozonide">KO<sub>3</sub></a></li> <li><a href="/wiki/Potassium_sulfide" title="Potassium sulfide">K<sub>2</sub>S</a></li> <li><a href="/wiki/Potassium_hydrosulfide" title="Potassium hydrosulfide">KHS</a></li> <li><a href="/wiki/Potassium_sulfite" title="Potassium sulfite">K<sub>2</sub>SO<sub>3</sub></a></li> <li><a href="/wiki/Potassium_bisulfite" title="Potassium bisulfite">KHSO<sub>3</sub></a></li> <li><a href="/wiki/Potassium_sulfate" title="Potassium sulfate">K<sub>2</sub>SO<sub>4</sub></a></li> <li><a href="/wiki/Potassium_bisulfate" title="Potassium bisulfate">KHSO<sub>4</sub></a></li> <li><a href="/wiki/Potassium_peroxymonosulfate" title="Potassium peroxymonosulfate">KHSO<sub>5</sub></a></li> <li><a href="/wiki/Potassium_thiosulfate" title="Potassium thiosulfate">K<sub>2</sub>S<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Potassium_metabisulfite" title="Potassium metabisulfite">K<sub>2</sub>S<sub>2</sub>O<sub>5</sub></a></li> <li><a href="/wiki/Potassium_pyrosulfate" title="Potassium pyrosulfate">K<sub>2</sub>S<sub>2</sub>O<sub>7</sub></a></li> <li><a href="/wiki/Potassium_persulfate" title="Potassium persulfate">K<sub>2</sub>S<sub>2</sub>O<sub>8</sub></a></li> <li><a href="/wiki/Potassium_selenide" title="Potassium selenide">K<sub>2</sub>Se</a></li> <li><a href="/w/index.php?title=Potassium_selenite&action=edit&redlink=1" class="new" title="Potassium selenite (page does not exist)">K<sub>2</sub>SeO<sub>3</sub></a></li> <li><a href="/wiki/Potassium_selenate" title="Potassium selenate">K<sub>2</sub>SeO<sub>4</sub></a></li> <li><a href="/wiki/Potassium_telluride" title="Potassium telluride">K<sub>2</sub>Te</a></li> <li><a href="/wiki/Potassium_tellurite" title="Potassium tellurite">K<sub>2</sub>TeO<sub>3</sub></a></li> <li><a href="/w/index.php?title=Potassium_tellurate&action=edit&redlink=1" class="new" title="Potassium tellurate (page does not exist)">K<sub>2</sub>TeO<sub>4</sub></a></li> <li><a href="/wiki/Potassium_polonide" title="Potassium polonide">K<sub>2</sub>Po</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">pnictogens</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Potassium_nitride" title="Potassium nitride">K<sub>3</sub>N</a></li> <li><a href="/wiki/Potassium_amide" title="Potassium amide">KNH<sub>2</sub></a></li> <li><a href="/wiki/Potassium_azide" title="Potassium azide">KN<sub>3</sub></a></li> <li><a href="/wiki/Potassium_nitrite" title="Potassium nitrite">KNO<sub>2</sub></a></li> <li><a href="/wiki/Potassium_nitrate" title="Potassium nitrate">KNO<sub>3</sub></a></li> <li><a href="/wiki/Potassium_phosphide" title="Potassium phosphide">K<sub>3</sub>P</a></li> <li><a href="/wiki/Monopotassium_phosphite" title="Monopotassium phosphite">KH<sub>2</sub>PO<sub>3</sub></a></li> <li><a href="/wiki/Tripotassium_phosphate" title="Tripotassium phosphate">K<sub>3</sub>PO<sub>4</sub></a></li> <li><a href="/wiki/Dipotassium_phosphate" title="Dipotassium phosphate">K<sub>2</sub>HPO<sub>4</sub></a></li> <li><a href="/wiki/Monopotassium_phosphate" title="Monopotassium phosphate">KH<sub>2</sub>PO<sub>4</sub></a></li> <li><a href="/wiki/Potassium_hexafluorophosphate" title="Potassium hexafluorophosphate">KPF<sub>6</sub></a></li> <li><a href="/wiki/Potassium_arsenite" title="Potassium arsenite">KAsO<sub>2</sub></a></li> <li><a href="/w/index.php?title=Tripotassium_arsenate&action=edit&redlink=1" class="new" title="Tripotassium arsenate (page does not exist)">K<sub>3</sub>AsO<sub>4</sub></a></li> <li><a href="/w/index.php?title=Dipotassium_arsenate&action=edit&redlink=1" class="new" title="Dipotassium arsenate (page does not exist)">K<sub>2</sub>HAsO<sub>4</sub></a></li> <li><a href="/wiki/Monopotassium_arsenate" title="Monopotassium arsenate">KH<sub>2</sub>AsO<sub>4</sub></a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">B, C group</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Potassium_tetraborate&action=edit&redlink=1" class="new" title="Potassium tetraborate (page does not exist)">B<sub>4</sub>K<sub>2</sub>O<sub>7</sub></a></li> <li><a href="/wiki/Potassium_carbonate" title="Potassium carbonate">K<sub>2</sub>CO<sub>3</sub></a></li> <li><a href="/wiki/Potassium_bicarbonate" title="Potassium bicarbonate">KHCO<sub>3</sub></a></li> <li><a href="/wiki/Potassium_silicate" title="Potassium silicate">K<sub>2</sub>SiO<sub>3</sub></a></li> <li><a href="/wiki/Potassium_fluorosilicate" title="Potassium fluorosilicate">K<sub>2</sub>SiF<sub>6</sub></a></li> <li><a href="/wiki/Potassium_aluminate" title="Potassium aluminate">K<sub>2</sub>Al<sub>2</sub>O<sub>4</sub></a></li> <li><a href="/wiki/Potassium_aluminium_borate" title="Potassium aluminium borate">K<sub>2</sub>Al<sub>2</sub>B<sub>2</sub>O<sub>7</sub></a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">transition metals</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Potassium_tetrachloroplatinate" title="Potassium tetrachloroplatinate">K<sub>2</sub>PtCl<sub>4</sub></a></li> <li><a href="/wiki/Krogmann%27s_salt" title="Krogmann's salt">K<sub>2</sub>Pt(CN)<sub>4</sub></a></li> <li><a href="/wiki/Potassium_hexafluorotitanate" title="Potassium hexafluorotitanate"><span class="chemf nowrap">K<sub class="template-chem2-sub">2</sub>TiF<sub class="template-chem2-sub">6</sub></span></a></li> <li><a href="/wiki/Potassium_hexachloroplatinate" title="Potassium hexachloroplatinate">K<sub>2</sub>PtCl<sub>6</sub></a></li> <li><a href="/wiki/Potassium_hexachlororhenate" title="Potassium hexachlororhenate">K<sub>2</sub>ReCl<sub>6</sub></a></li> <li><a href="/wiki/Potassium_hexafluororhenate" title="Potassium hexafluororhenate"><span class="chemf nowrap">K<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>ReF<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">6</sub></span></span></span></a></li> <li><a href="/wiki/Potassium_hexafluoroarsenate" title="Potassium hexafluoroarsenate"><span class="chemf nowrap">KAsF<sub class="template-chem2-sub">6</sub></span></a></li> <li><a href="/wiki/Potassium_hexabromorhenate" title="Potassium hexabromorhenate"><span class="chemf nowrap">K<sub class="template-chem2-sub">2</sub>ReBr<sub class="template-chem2-sub">6</sub></span></a></li> <li><a href="/wiki/Potassium_hexaiodorhenate" title="Potassium hexaiodorhenate"><span class="chemf nowrap">K<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>ReI<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">6</sub></span></span></span></a></li> <li><a href="/wiki/Potassium_hexafluorozirconate" title="Potassium hexafluorozirconate"><span class="chemf nowrap">K<sub class="template-chem2-sub">2</sub>ZrF<sub class="template-chem2-sub">6</sub></span></a></li> <li><a href="/wiki/Potassium_ferrocyanide" title="Potassium ferrocyanide">K<sub>4</sub>Fe(CN)<sub>6</sub></a></li> <li><a href="/wiki/Potassium_ferricyanide" title="Potassium ferricyanide">K<sub>3</sub>Fe(CN)<sub>6</sub></a></li> <li><a href="/wiki/Potassium_ferrioxalate" title="Potassium ferrioxalate">K<sub>3</sub>Fe(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub></a></li> <li><a href="/wiki/Potassium_ferrate" title="Potassium ferrate">K<sub>2</sub>FeO<sub>4</sub></a></li> <li><a href="/wiki/Potassium_manganate" title="Potassium manganate">K<sub>2</sub>MnO<sub>4</sub></a></li> <li><a href="/wiki/Potassium_permanganate" title="Potassium permanganate">KMnO<sub>4</sub></a></li> <li><a href="/wiki/Potassium_hypochromate" title="Potassium hypochromate">K<sub>3</sub>CrO<sub>4</sub></a></li> <li><a href="/wiki/Potassium_chromate" title="Potassium chromate">K<sub>2</sub>CrO<sub>4</sub></a></li> <li><a href="/wiki/Potassium_peroxochromate" class="mw-redirect" title="Potassium peroxochromate">K<sub>3</sub>CrO<sub>8</sub></a></li> <li><a href="/wiki/Potassium_chlorochromate" title="Potassium chlorochromate">KCrO<sub>3</sub>Cl</a></li> <li><a href="/wiki/Potassium_dichromate" title="Potassium dichromate">K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub></a></li> <li><a href="/w/index.php?title=Potassium_trichromate&action=edit&redlink=1" class="new" title="Potassium trichromate (page does not exist)">K<sub>2</sub>Cr<sub>3</sub>O<sub>10</sub></a></li> <li><a href="/w/index.php?title=Potassium_tetrachromate&action=edit&redlink=1" class="new" title="Potassium tetrachromate (page does not exist)">K<sub>2</sub>Cr<sub>4</sub>O<sub>13</sub></a></li> <li><a href="/wiki/Potassium_octachlorodimolybdate" title="Potassium octachlorodimolybdate">K<sub>4</sub>Mo<sub>2</sub>Cl<sub>8</sub></a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">organic</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Potassium_formate" title="Potassium formate">KHCO<sub>2</sub></a></li> <li><a href="/wiki/Potassium_acetate" title="Potassium acetate">KCH<sub>3</sub>CO<sub>2</sub></a></li> <li><a href="/wiki/Potassium_trifluoroacetate" title="Potassium trifluoroacetate">KCF<sub>3</sub>CO<sub>2</sub></a></li> <li><a href="/wiki/Potassium_oxalate" class="mw-redirect" title="Potassium oxalate">K<sub>2</sub>C<sub>2</sub>O<sub>4</sub></a></li> <li><a href="/wiki/Potassium_bioxalate" class="mw-redirect" title="Potassium bioxalate">KHC<sub>2</sub>O<sub>4</sub></a></li> <li><a href="/wiki/Potassium_laurate" title="Potassium laurate">KC<sub>12</sub>H<sub>23</sub>O<sub>2</sub></a></li> <li><a href="/wiki/Potassium_stearate" title="Potassium stearate">KC<sub>18</sub>H<sub>35</sub>O<sub>2</sub></a></li> <li><a href="/w/index.php?title=Potassium_malonate&action=edit&redlink=1" class="new" title="Potassium malonate (page does not exist)">C<sub>3</sub>H<sub>2</sub>K<sub>2</sub>O<sub>4</sub></a></li> <li><a href="/w/index.php?title=Methyl_potassium_malonate&action=edit&redlink=1" class="new" title="Methyl potassium malonate (page does not exist)">C<sub>4</sub>H<sub>6</sub>KO<sub>4</sub></a></li> <li><a href="/w/index.php?title=Ethyl_potassium_malonate&action=edit&redlink=1" class="new" title="Ethyl potassium malonate (page does not exist)">C<sub>5</sub>H<sub>7</sub>KO<sub>4</sub></a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link 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style="padding:3px"><table class="nowraplinks mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Oxygen_compounds" title="Template:Oxygen compounds"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Oxygen_compounds" title="Template talk:Oxygen compounds"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Oxygen_compounds" title="Special:EditPage/Template:Oxygen compounds"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Oxygen_compounds" style="font-size:114%;margin:0 4em"><a href="/wiki/Oxygen_compounds" title="Oxygen compounds">Oxygen compounds</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Silver(I,III)_oxide" title="Silver(I,III) oxide">Ag<sub>4</sub>O<sub>4</sub></a></li> <li><a href="/wiki/Aluminium_oxide" title="Aluminium oxide">Al<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Americium_dioxide" title="Americium dioxide">AmO<sub>2</sub></a></li> <li><a href="/wiki/Americium(III)_oxide" title="Americium(III) oxide">Am<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Arsenic_trioxide" title="Arsenic trioxide">As<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Arsenic_pentoxide" title="Arsenic pentoxide">As<sub>2</sub>O<sub>5</sub></a></li> <li><a href="/wiki/Gold(III)_oxide" title="Gold(III) oxide">Au<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Boron_trioxide" title="Boron trioxide">B<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Barium_oxide" title="Barium oxide">BaO</a></li> <li><a href="/wiki/Beryllium_oxide" title="Beryllium oxide">BeO</a></li> <li><a href="/wiki/Bismuth(III)_oxide" title="Bismuth(III) oxide">Bi<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/w/index.php?title=Bismuth_tetroxide&action=edit&redlink=1" class="new" title="Bismuth tetroxide (page does not exist)">BiO<sub>2</sub></a></li> <li><a href="/wiki/Bismuth_pentoxide" title="Bismuth pentoxide">Bi<sub>2</sub>O<sub>5</sub></a></li> <li><a href="/wiki/Bromine_dioxide" title="Bromine dioxide">BrO<sub>2</sub></a></li> <li><a href="/wiki/Dibromine_trioxide" title="Dibromine trioxide">Br<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Dibromine_pentoxide" title="Dibromine pentoxide">Br<sub>2</sub>O<sub>5</sub></a></li> <li><a href="/wiki/Tribromine_octoxide" title="Tribromine octoxide"><span class="chemf nowrap">Br<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">3</sub></span></span>O<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">8</sub></span></span></span></a></li> <li><a href="/wiki/Carbon_monoxide" title="Carbon monoxide">CO</a></li> <li><a href="/wiki/Carbon_dioxide" title="Carbon dioxide">CO<sub>2</sub></a></li> <li><a href="/wiki/Carbon_suboxide" title="Carbon suboxide">C<sub>3</sub>O<sub>2</sub></a></li> <li><a href="/wiki/Calcium_oxide" title="Calcium oxide">CaO</a></li> <li><a href="/wiki/Calcium_peroxide" title="Calcium peroxide">CaO<sub>2</sub></a></li> <li><a href="/wiki/Cadmium_oxide" title="Cadmium oxide">CdO</a></li> <li><a href="/wiki/Cerium(IV)_oxide" title="Cerium(IV) oxide">CeO<sub>2</sub></a></li> <li><a href="/w/index.php?title=Cerium(III,IV)_oxide&action=edit&redlink=1" class="new" title="Cerium(III,IV) oxide (page does not exist)">Ce<sub>3</sub>O<sub>4</sub></a></li> <li><a href="/wiki/Cerium(III)_oxide" title="Cerium(III) oxide">Ce<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Chlorine_dioxide" title="Chlorine dioxide">ClO<sub>2</sub></a></li> <li><a href="/wiki/Dichlorine_monoxide" title="Dichlorine monoxide">Cl<sub>2</sub>O</a></li> <li><a href="/wiki/Chlorine_peroxide" title="Chlorine peroxide">Cl<sub>2</sub>O<sub>2</sub></a></li> <li><a href="/wiki/Dichlorine_trioxide" title="Dichlorine trioxide">Cl<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Chlorine_perchlorate" title="Chlorine perchlorate">Cl<sub>2</sub>O<sub>4</sub></a></li> <li><a href="/wiki/Dichlorine_hexoxide" title="Dichlorine hexoxide">Cl<sub>2</sub>O<sub>6</sub></a></li> <li><a href="/wiki/Dichlorine_heptoxide" title="Dichlorine heptoxide">Cl<sub>2</sub>O<sub>7</sub></a></li> <li><a href="/wiki/Cobalt(II)_oxide" title="Cobalt(II) oxide">CoO</a></li> <li><a href="/wiki/Cobalt(III)_oxide" title="Cobalt(III) oxide">Co<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Cobalt(II,III)_oxide" title="Cobalt(II,III) oxide">Co<sub>3</sub>O<sub>4</sub></a></li> <li><a href="/wiki/Chromium_trioxide" title="Chromium trioxide">CrO<sub>3</sub></a></li> <li><a href="/wiki/Chromium(III)_oxide" title="Chromium(III) oxide">Cr<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Chromium(IV)_oxide" title="Chromium(IV) oxide">Cr<sub>2</sub>O<sub>5</sub></a></li> <li><a href="/w/index.php?title=Chromic_chromate&action=edit&redlink=1" class="new" title="Chromic chromate (page does not exist)">Cr<sub>5</sub>O<sub>12</sub></a></li> <li><a href="/wiki/Cesium_superoxide" class="mw-redirect" title="Cesium superoxide">CsO<sub>2</sub></a></li> <li><a href="/wiki/Caesium_sesquioxide" title="Caesium sesquioxide">Cs<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Copper(II)_oxide" title="Copper(II) oxide">CuO</a></li> <li><a href="/wiki/Dysprosium(III)_oxide" title="Dysprosium(III) oxide">Dy<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Erbium(III)_oxide" title="Erbium(III) oxide">Er<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Europium(III)_oxide" title="Europium(III) oxide">Eu<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Iron(II)_oxide" title="Iron(II) oxide">FeO</a></li> <li><a href="/wiki/Iron(III)_oxide" title="Iron(III) oxide">Fe<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Iron(II,III)_oxide" title="Iron(II,III) oxide">Fe<sub>3</sub>O<sub>4</sub></a></li> <li><a href="/wiki/Gallium(I)_oxide" title="Gallium(I) oxide">Ga<sub>2</sub>O</a></li> <li><a href="/wiki/Gallium(III)_oxide" title="Gallium(III) oxide">Ga<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Germanium_monoxide" title="Germanium monoxide">GeO</a></li> <li><a href="/wiki/Germanium_dioxide" title="Germanium dioxide">GeO<sub>2</sub></a></li> <li><a href="/wiki/Properties_of_water" title="Properties of water">H<sub>2</sub>O</a></li> <li><a href="/wiki/Heavy_water" title="Heavy water"><sup>2</sup>H<sub>2</sub>O</a></li> <li><a href="/wiki/Tritiated_water" title="Tritiated water"><sup>3</sup>H<sub>2</sub>O</a></li> <li><a href="/wiki/Heavy_water" title="Heavy water">H<sub>2</sub><sup>18</sup>O</a></li> <li><a href="/wiki/Hydrogen_peroxide" title="Hydrogen peroxide">H<sub>2</sub>O<sub>2</sub></a></li> <li><a href="/wiki/Hafnium(IV)_oxide" title="Hafnium(IV) oxide">HfO<sub>2</sub></a></li> <li><a href="/wiki/Mercury(II)_oxide" title="Mercury(II) oxide">HgO</a></li> <li><a href="/wiki/Mercury(I)_oxide" title="Mercury(I) oxide">Hg<sub>2</sub>O</a></li> <li><a href="/wiki/Holmium(III)_oxide" title="Holmium(III) oxide">Ho<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Iodine_monoxide" title="Iodine monoxide">IO</a></li> <li><a href="/wiki/Iodine_tetroxide" class="mw-redirect" title="Iodine tetroxide">I<sub>2</sub>O<sub>4</sub></a></li> <li><a href="/wiki/Iodine_pentoxide" title="Iodine pentoxide">I<sub>2</sub>O<sub>5</sub></a></li> <li><a href="/w/index.php?title=Iodine_hexoxide&action=edit&redlink=1" class="new" title="Iodine hexoxide (page does not exist)">I<sub>2</sub>O<sub>6</sub></a></li> <li><a href="/wiki/Tetraiodine_nonoxide" title="Tetraiodine nonoxide">I<sub>4</sub>O<sub>9</sub></a></li> <li><a href="/wiki/Indium(III)_oxide" title="Indium(III) oxide">In<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Iridium(IV)_oxide" title="Iridium(IV) oxide">IrO<sub>2</sub></a></li> <li><a class="mw-selflink selflink">KO<sub>2</sub></a></li> <li><a href="/wiki/Potassium_peroxide" title="Potassium peroxide">K<sub>2</sub>O<sub>2</sub></a></li> <li><a href="/wiki/Lanthanum_oxide" title="Lanthanum oxide">La<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Lithium_oxide" title="Lithium oxide">Li<sub>2</sub>O</a></li> <li><a href="/wiki/Lithium_peroxide" title="Lithium peroxide">Li<sub>2</sub>O<sub>2</sub></a></li> <li><a href="/wiki/Lutetium(III)_oxide" title="Lutetium(III) oxide">Lu<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Magnesium_oxide" title="Magnesium oxide">MgO</a></li> <li><a href="/wiki/Magnesium_peroxide" title="Magnesium peroxide">Mg<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Manganese(II)_oxide" title="Manganese(II) oxide">MnO</a></li> <li><a href="/wiki/Manganese_dioxide" title="Manganese dioxide">MnO<sub>2</sub></a></li> <li><a href="/wiki/Manganese(III)_oxide" title="Manganese(III) oxide">Mn<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Manganese_heptoxide" title="Manganese heptoxide">Mn<sub>2</sub>O<sub>7</sub></a></li> <li><a href="/wiki/Molybdenum_dioxide" title="Molybdenum dioxide">MoO<sub>2</sub></a></li> <li><a href="/wiki/Molybdenum_trioxide" title="Molybdenum trioxide">MoO<sub>3</sub></a></li> <li><a href="/w/index.php?title=Molybdenum(III)_oxide&action=edit&redlink=1" class="new" title="Molybdenum(III) oxide (page does not exist)">Mo<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Nitric_oxide" title="Nitric oxide">NO</a></li> <li><a href="/wiki/Nitrogen_dioxide" title="Nitrogen dioxide">NO<sub>2</sub></a></li> <li><a href="/wiki/Nitrous_oxide" title="Nitrous oxide">N<sub>2</sub>O</a></li> <li><a href="/wiki/Nitrogen_trioxide" class="mw-redirect" title="Nitrogen trioxide">N<sub>2</sub>O<sub>3</sub></a></li> <li><a href="/wiki/Dinitrogen_tetroxide" title="Dinitrogen tetroxide">N<sub>2</sub>O<sub>4</sub></a></li> <li><a href="/wiki/Dinitrogen_pentoxide" title="Dinitrogen pentoxide">N<sub>2</sub>O<sub>5</sub></a></li> <li><a href="/wiki/Sodium_superoxide" title="Sodium superoxide">NaO<sub>2</sub></a></li> <li><a href="/wiki/Sodium_oxide" title="Sodium oxide">Na<sub>2</sub>O</a></li> <li><a href="/wiki/Sodium_peroxide" title="Sodium peroxide">Na<sub>2</sub>O<sub>2</sub></a></li> <li><a href="/wiki/Niobium_monoxide" title="Niobium monoxide">NbO</a></li> <li><a href="/wiki/Niobium_dioxide" title="Niobium dioxide">NbO<sub>2</sub></a></li> <li><span class="chemf nowrap"><a href="/wiki/Neodymium(III)_oxide" title="Neodymium(III) oxide">Nd<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">3</sub></a></span></li> <li><span class="chemf nowrap"><a href="/wiki/Dioxygen_monofluoride" title="Dioxygen monofluoride">O<sub class="template-chem2-sub">2</sub>F</a></span></li> <li><span class="chemf nowrap"><a href="/wiki/Oxygen_monofluoride" title="Oxygen monofluoride">OF</a></span></li> <li><span class="chemf nowrap"><a href="/wiki/Oxygen_difluoride" title="Oxygen difluoride">OF<sub class="template-chem2-sub">2</sub></a></span></li> <li><span class="chemf nowrap"><a href="/wiki/Dioxygen_difluoride" title="Dioxygen difluoride">O<sub class="template-chem2-sub">2</sub>F<sub class="template-chem2-sub">2</sub></a></span></li> <li><span class="chemf nowrap"><a href="/wiki/Trioxygen_difluoride" class="mw-redirect" title="Trioxygen difluoride">O<sub class="template-chem2-sub">3</sub>F<sub class="template-chem2-sub">2</sub></a></span></li> <li><span class="chemf nowrap"><a href="/wiki/Tetraoxygen_difluoride" title="Tetraoxygen difluoride">O<sub class="template-chem2-sub">4</sub>F<sub class="template-chem2-sub">2</sub></a></span></li> <li><span class="chemf nowrap"><a href="/wiki/Pentaoxygen_difluoride" title="Pentaoxygen difluoride">O<sub class="template-chem2-sub">5</sub>F<sub class="template-chem2-sub">2</sub></a></span></li> <li><span class="chemf nowrap"><a href="/wiki/Hexaoxygen_difluoride" title="Hexaoxygen difluoride">O<sub class="template-chem2-sub">6</sub>F<sub class="template-chem2-sub">2</sub></a></span></li> <li><span class="chemf nowrap"><a href="/wiki/Dioxygenyl_hexafluoroplatinate" title="Dioxygenyl hexafluoroplatinate">O<sub class="template-chem2-sub">2</sub>PtF<sub class="template-chem2-sub">6</sub></a></span></li> <li><a href="/wiki/Template:Oxides" title="Template:Oxides">more...</a></li></ul> </div></td></tr></tbody></table></div> <!-- NewPP limit report Parsed by mw‐web.codfw.main‐f69cdc8f6‐fgzdv Cached time: 20241122141443 Cache expiry: 2592000 Reduced expiry: false Complications: [vary‐revision‐sha1, show‐toc] CPU time usage: 0.865 seconds Real time usage: 1.084 seconds Preprocessor visited node count: 11177/1000000 Post‐expand include size: 242728/2097152 bytes Template argument size: 62590/2097152 bytes Highest expansion depth: 26/100 Expensive parser function count: 2/500 Unstrip recursion depth: 1/20 Unstrip post‐expand size: 79043/5000000 bytes Lua time usage: 0.393/10.000 seconds Lua memory usage: 10039865/52428800 bytes Number of Wikibase entities loaded: 1/400 --> <!-- 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