Micron Document
<!DOCTYPE html>
<html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-0 vector-toc-not-available vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-0 skin-theme-clientpref-day vector-sticky-header-enabled" lang="de" dir="ltr"><head>
<meta charset="UTF-8">
<title>Rubidiumbromat</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="icon" type="image/png" href="./_res_/favicon.png">
<link rel="canonical" href="https://de.wikipedia.org/wiki/Rubidiumbromat"> <link href="./_mw_/ext.cite.styles.css" rel="stylesheet" type="text/css">
<link href="./_mw_/ext.math.styles.css" rel="stylesheet" type="text/css">
<link href="./_mw_/ext.wikimediamessages.styles.css" rel="stylesheet" type="text/css">
<link href="./_mw_/skins.vector.icons.css" rel="stylesheet" type="text/css">
<link href="./_mw_/skins.vector.search.codex.styles.css" rel="stylesheet" type="text/css">
<link href="./_mw_/skins.vector.styles.css" rel="stylesheet" type="text/css">
<meta name="ResourceLoaderDynamicStyles" content="">
<link href="./_mw_/ext.gadget.citeRef.css" rel="stylesheet" type="text/css">
<link href="./_mw_/ext.gadget.defaultPlainlinks.css" rel="stylesheet" type="text/css">
<link href="./_mw_/ext.gadget.dewikiCommonHide.css" rel="stylesheet" type="text/css">
<link href="./_mw_/ext.gadget.dewikiCommonLayout.css" rel="stylesheet" type="text/css">
<link href="./_mw_/ext.gadget.dewikiCommonStyle.css" rel="stylesheet" type="text/css">
<link href="./_mw_/ext.gadget.dewikiDarkmode.css" rel="stylesheet" type="text/css">
<link href="./_mw_/ext.gadget.dewikiResponsive.css" rel="stylesheet" type="text/css">
<link href="./_mw_/ext.gadget.specialSearch.css" rel="stylesheet" type="text/css">
<link rel="stylesheet" type="text/css" href="./_mw_/site.styles.css">
<link rel="stylesheet" type="text/css" href="./_mw_/noscript.css">
<link rel="stylesheet" type="text/css" href="./_res_/footer.css">
<link rel="stylesheet" type="text/css" href="./_res_/vector-2022.css">
</head>
<body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject page-Rubidiumbromat rootpage-Rubidiumbromat skin-vector-2022 action-view">
<div class="mw-page-container">
<div class="mw-page-container-inner">
<div class="mw-content-container">
<main id="content" class="mw-body">
<header class="mw-body-header vector-page-titlebar">
<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Rubidiumbromat</span></h1>
</header>
<a id="top"></a>
<div id="bodyContent" class="vector-body ve-init-mw-desktopArticleTarget-targetContainer" aria-labelledby="firstHeading" data-mw-ve-target-container="">
<div id="contentSub">
<div id="mw-content-subtitle"></div>
</div>
<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="de" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="de" dir="ltr"><table class="wikitable infobox float-right" id="Vorlage_Infobox_Chemikalie" style="font-size:90%; margin-top:0; width:350px;" summary="Infobox Chemikalie">

<tbody><tr>
<th colspan="2" style="background:#FFDEAD; color:#202122;">Strukturformel
</th></tr>
<tr>
<td colspan="2" class="hintergrundfarbe-basis skin-invert-image" style="text-align:center;"><span class="mw-default-size" typeof="mw:File"></span>&nbsp;<span typeof="mw:File"></span>
</td></tr>










<tr>
<th colspan="2" style="background:#FFDEAD; color:#202122;">Allgemeines
</th></tr>
<tr>
<td style="width:33%;">Name
</td>
<td>Rubidiumbromat
</td></tr>


<tr>
<td><a href="Summenformel" title="Summenformel">Summenformel</a>
</td>
<td>RbBrO<sub>3</sub>
</td></tr>


<tr>
<th colspan="2" style="background:#FFDEAD; color:#202122;">Externe Identifikatoren/Datenbanken
</th></tr>
<tr>
<td colspan="2" style="padding:0;">
<table class="mw-collapsible mw-collapsed wikitable" data-expandtext="+" data-collapsetext="−" style="border-top:none; margin:-1px; width:calc(100% + 2px);">

<tbody><tr>
<td style="width:33%;"><a href="CAS-Nummer" title="CAS-Nummer">CAS-Nummer</a>
</td>
<td><span title="Untervorlage eingebunden: CASRN"></span><span class="KeinCASLink" title="CAS-Nummer ohne Common-Chemistry-Eintrag">13446-70-3</span><span class="editoronly" style="display:none;"></span>
</td>
<td style="background:#FFDEAD; color:#202122; border-top:1px solid #FFDEAD; padding:0.2em 0; vertical-align:bottom; width:5%;">
</td></tr>










<tr>
<td style="border-right:1px solid #a2a9b1;"><a href="Wikidata" title="Wikidata">Wikidata</a>
</td>
<td colspan="2"><a href="https://www.wikidata.org/wiki/Q2171574" class="extiw external" title="d:Q2171574">Q2171574</a>
</td></tr></tbody></table>
</td></tr>








<tr>
<th colspan="2" style="background:#FFDEAD; color:#202122;">Eigenschaften
</th></tr>
<tr>
<td><a href="Molare_Masse" title="Molare Masse">Molare Masse</a>
</td>
<td>213,37&nbsp;<a href="Gramm" title="Gramm">g</a>·<a href="Mol" title="Mol">mol</a><sup>−1</sup>
</td></tr>
<tr>
<td><a href="Aggregatzustand" title="Aggregatzustand">Aggregatzustand</a>
</td>
<td>
<p>fest
</p>
</td></tr>
<tr>
<td><a href="Dichte" title="Dichte">Dichte</a>
</td>
<td>
<p>3,68&nbsp;g·cm<sup>−3</sup><sup id="cite_ref-Perry_1-0" class="reference"><a href="#cite_note-Perry-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p>
</td></tr>
<tr>
<td><a href="Schmelzpunkt" title="Schmelzpunkt">Schmelzpunkt</a>
</td>
<td>
<p>430&nbsp;<a href="Grad_Celsius" title="Grad Celsius">°C</a><sup id="cite_ref-Perry_1-1" class="reference"><a href="#cite_note-Perry-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p>
</td></tr>








<tr>
<td><a href="L%C3%B6slichkeit" title="Löslichkeit">Löslichkeit</a>
</td>
<td>
<p>29,3&nbsp;g·l<sup>−1</sup>&nbsp;bei&nbsp;25&nbsp;°C<sup id="cite_ref-Perry_1-2" class="reference"><a href="#cite_note-Perry-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p>
</td></tr>




<tr>
<th colspan="2" style="background:#FFDEAD; color:#202122;">Sicherheitshinweise
</th></tr>


<tr>
<td colspan="2">
<table cellspacing="0" cellpadding="2" style="width:100%;">




<tbody><tr>
<td colspan="2" style="text-align:center"><b><a href="Global_harmonisiertes_System_zur_Einstufung_und_Kennzeichnung_von_Chemikalien" title="Global harmonisiertes System zur Einstufung und Kennzeichnung von Chemikalien">GHS-Gefahrstoffkennzeichnung</a></b><br><i>keine Einstufung verfügbar</i><sup id="cite_ref-NV_2-0" class="reference"><a href="#cite_note-NV-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
</td></tr></tbody></table>
</td></tr>












<tr>
<td colspan="2" style="background:#FFDEAD; color:#202122; font-size:80%; text-align:center; line-height:150%; padding:.25em;">Wenn nicht anders vermerkt, gelten die angegebenen Daten bei <a href="Standardbedingungen" title="Standardbedingungen">Standardbedingungen</a> (0 °C, 1000&nbsp;hPa).
</td></tr></tbody></table><p><span class="editoronly" style="display:none;"></span>
</p><p><b>Rubidiumbromat</b> ist das <a href="Rubidium" title="Rubidium">Rubidiumsalz</a> der <a href="Broms%C3%A4ure" title="Bromsäure">Bromsäure</a> mit der chemischen Zusammensetzung RbBrO<sub>3</sub>.
</p>
<div class="mw-heading mw-heading2"><h2 id="Herstellung">Herstellung</h2></div>
<p>Rubidiumbromat kann aus <a href="Rubidiumcarbonat" title="Rubidiumcarbonat">Rubidiumcarbonat</a> und Bromsäure hergestellt werden.<sup id="cite_ref-Buell_3-0" class="reference"><a href="#cite_note-Buell-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>
</p>
<dl><dd><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {Rb_{2}CO_{3}+2\ HBrO_{3}\longrightarrow 2\ RbBrO_{3}+H_{2}O+CO_{2}\uparrow } }">
<semantics>
<mrow class="MJX-TeXAtom-ORD">
<mstyle displaystyle="true" scriptlevel="0">
<mrow class="MJX-TeXAtom-ORD">
<mi mathvariant="normal">R</mi>
<msub>
<mi mathvariant="normal">b</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>2</mn>
</mrow>
</msub>
<mi mathvariant="normal">C</mi>
<msub>
<mi mathvariant="normal">O</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>3</mn>
</mrow>
</msub>
<mo>+</mo>
<mn>2</mn>
<mtext>&nbsp;</mtext>
<mi mathvariant="normal">H</mi>
<mi mathvariant="normal">B</mi>
<mi mathvariant="normal">r</mi>
<msub>
<mi mathvariant="normal">O</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>3</mn>
</mrow>
</msub>
<mo stretchy="false">⟶<!-- ⟶ --></mo>
<mn>2</mn>
<mtext>&nbsp;</mtext>
<mi mathvariant="normal">R</mi>
<mi mathvariant="normal">b</mi>
<mi mathvariant="normal">B</mi>
<mi mathvariant="normal">r</mi>
<msub>
<mi mathvariant="normal">O</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>3</mn>
</mrow>
</msub>
<mo>+</mo>
<msub>
<mi mathvariant="normal">H</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>2</mn>
</mrow>
</msub>
<mi mathvariant="normal">O</mi>
<mo>+</mo>
<mi mathvariant="normal">C</mi>
<msub>
<mi mathvariant="normal">O</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>2</mn>
</mrow>
</msub>
<mo stretchy="false">↑<!-- ↑ --></mo>
</mrow>
</mstyle>
</mrow>
<annotation encoding="application/x-tex">{\displaystyle \mathrm {Rb_{2}CO_{3}+2\ HBrO_{3}\longrightarrow 2\ RbBrO_{3}+H_{2}O+CO_{2}\uparrow } }</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/901d093671f83ca79107ed4687332b9b7d1e326b.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:52.24ex; height:2.509ex;" alt="{\displaystyle \mathrm {Rb_{2}CO_{3}+2\ HBrO_{3}\longrightarrow 2\ RbBrO_{3}+H_{2}O+CO_{2}\uparrow } }" loading="lazy"></span></dd></dl>
<p>Auch die Herstellung aus Rubidiumcarbonat und <a href="Natriumbromat" title="Natriumbromat">Natriumbromat</a> ist möglich.<sup id="cite_ref-Stenger_4-0" class="reference"><a href="#cite_note-Stenger-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup>
</p>
<dl><dd><span class="mwe-math-element mwe-math-element-inline"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathrm {Rb_{2}CO_{3}+2\ NaBrO_{3}\longrightarrow 2\ RbBrO_{3}+Na_{2}CO_{3}} }">
<semantics>
<mrow class="MJX-TeXAtom-ORD">
<mstyle displaystyle="true" scriptlevel="0">
<mrow class="MJX-TeXAtom-ORD">
<mi mathvariant="normal">R</mi>
<msub>
<mi mathvariant="normal">b</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>2</mn>
</mrow>
</msub>
<mi mathvariant="normal">C</mi>
<msub>
<mi mathvariant="normal">O</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>3</mn>
</mrow>
</msub>
<mo>+</mo>
<mn>2</mn>
<mtext>&nbsp;</mtext>
<mi mathvariant="normal">N</mi>
<mi mathvariant="normal">a</mi>
<mi mathvariant="normal">B</mi>
<mi mathvariant="normal">r</mi>
<msub>
<mi mathvariant="normal">O</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>3</mn>
</mrow>
</msub>
<mo stretchy="false">⟶<!-- ⟶ --></mo>
<mn>2</mn>
<mtext>&nbsp;</mtext>
<mi mathvariant="normal">R</mi>
<mi mathvariant="normal">b</mi>
<mi mathvariant="normal">B</mi>
<mi mathvariant="normal">r</mi>
<msub>
<mi mathvariant="normal">O</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>3</mn>
</mrow>
</msub>
<mo>+</mo>
<mi mathvariant="normal">N</mi>
<msub>
<mi mathvariant="normal">a</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>2</mn>
</mrow>
</msub>
<mi mathvariant="normal">C</mi>
<msub>
<mi mathvariant="normal">O</mi>
<mrow class="MJX-TeXAtom-ORD">
<mn>3</mn>
</mrow>
</msub>
</mrow>
</mstyle>
</mrow>
<annotation encoding="application/x-tex">{\displaystyle \mathrm {Rb_{2}CO_{3}+2\ NaBrO_{3}\longrightarrow 2\ RbBrO_{3}+Na_{2}CO_{3}} }</annotation>
</semantics>
</math></span><img src="./_assets_/eb734a37dd21ce173a46342d1cc64c92/976c233b86883ddca12f5a63738f8200b9b35503.svg" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:48.109ex; height:2.509ex;" alt="{\displaystyle \mathrm {Rb_{2}CO_{3}+2\ NaBrO_{3}\longrightarrow 2\ RbBrO_{3}+Na_{2}CO_{3}} }" loading="lazy"></span></dd></dl>
<div class="mw-heading mw-heading2"><h2 id="Eigenschaften">Eigenschaften</h2></div>
<table class="wikitable float-left" style="text-align:center; font-size:90%">

<tbody><tr>
<td class="hintergrundfarbe6" colspan="5"><b>Löslichkeit von RbBrO<sub>3</sub> in Wasser</b><sup id="cite_ref-Seidell_5-0" class="reference"><a href="#cite_note-Seidell-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup>
</td></tr>
<tr>
<td class="hintergrundfarbe5" align="left">Temperatur [°C]
</td>
<td>25</td>
<td>30</td>
<td>35</td>
<td>40
</td></tr>
<tr>
<td class="hintergrundfarbe5" align="left">Löslichkeit [g/l]
</td>
<td>29,3</td>
<td>35,5</td>
<td>42,8</td>
<td>50,8
</td></tr></tbody></table>
<p>Die <a href="L%C3%B6slichkeit" title="Löslichkeit">Löslichkeit</a> von Rubidiumbromat in Wasser ist in nebenstehender Tabelle angegeben.
</p><p>Rubidiumbromat <a href="Kristallisation" title="Kristallisation">kristallisiert</a> ohne Kristallwasser<sup id="cite_ref-Mellor_6-0" class="reference"><a href="#cite_note-Mellor-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> im <a href="Trigonales_Kristallsystem" title="Trigonales Kristallsystem">trigonalen</a> <a href="Kristallsystem" title="Kristallsystem">Kristallsystem</a> mit der <a href="Raumgruppe" title="Raumgruppe">Raumgruppe</a> <i>R</i>3<i>m</i> (Raumgruppen-Nr. 160)<span style="display:none;">Vorlage:Raumgruppe/160</span><span class="editoronly" style="display:none;"></span> und den <a href="Gitterparameter" title="Gitterparameter">Gitterparametern</a> a&nbsp;=&nbsp;621.8&nbsp;pm und c&nbsp;=&nbsp;809.9&nbsp;pm, in der <a href="Elementarzelle" title="Elementarzelle">Elementarzelle</a> befinden sich drei <a href="Formeleinheit" title="Formeleinheit">Formeleinheiten</a>.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup>
Rubidiumbromat reagiert mit <a href="Bromwasserstoff" title="Bromwasserstoff">Bromwasserstoff</a> unter Bildung von Rubidiumtribromid.<sup id="cite_ref-Lind_8-0" class="reference"><a href="#cite_note-Lind-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup>
</p>
<div class="mw-heading mw-heading2"><h2 id="Einzelnachweise">Einzelnachweise</h2></div>
<ol class="references">
<li id="cite_note-Perry-1"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Perry_1-0">a</a></sup> <sup><a href="#cite_ref-Perry_1-1">b</a></sup> <sup><a href="#cite_ref-Perry_1-2">c</a></sup></span> <span class="reference-text">Dale L. Perry, Sidney L. Phillips: <i>Handbook of inorganic compounds</i>. CRC Press, 1995, ISBN 978-0-8493-8671-8, S. 333 (<a rel="nofollow" class="external text" href="https://books.google.de/books?id=0fT4wfhF1AsC&amp;pg=PA333#v=onepage">eingeschränkte Vorschau</a> in der Google-Buchsuche).</span>
</li>
<li id="cite_note-NV-2"><span class="mw-cite-backlink"><a href="#cite_ref-NV_2-0">↑</a></span> <span class="reference-text">Dieser Stoff wurde in Bezug auf seine Gefährlichkeit entweder noch nicht eingestuft oder eine verlässliche und zitierfähige Quelle hierzu wurde noch nicht gefunden.</span>
</li>
<li id="cite_note-Buell-3"><span class="mw-cite-backlink"><a href="#cite_ref-Buell_3-0">↑</a></span> <span class="reference-text">Harold D. Buell, C. R. McCrosky: "The preparation and study of the rarer alkali bromates. Rubidium bromate." in <i>J. Am. Chem. Soc</i> <b>1921</b>, <i>43</i>(9), S. 2031–2034. <a href="Digital_Object_Identifier" title="Digital Object Identifier">doi</a>:<span class="uri-handle" style="white-space:nowrap"><a rel="nofollow" class="external text" href="https://doi.org/10.1021/ja01442a006">10.1021/ja01442a006</a></span></span>
</li>
<li id="cite_note-Stenger-4"><span class="mw-cite-backlink"><a href="#cite_ref-Stenger_4-0">↑</a></span> <span class="reference-text">Vernon A. Stenger, Richard M. Van Effen: "Solubilities of Alkali Metal Bromates and Iodates in Methanol at Room Temperature" in <i>J. Chem. Eng. Data</i> <b>1999</b>, <i>44</i>(2), S. 173–174. <a href="Digital_Object_Identifier" title="Digital Object Identifier">doi</a>:<span class="uri-handle" style="white-space:nowrap"><a rel="nofollow" class="external text" href="https://doi.org/10.1021/je980120a">10.1021/je980120a</a></span></span>
</li>
<li id="cite_note-Seidell-5"><span class="mw-cite-backlink"><a href="#cite_ref-Seidell_5-0">↑</a></span> <span class="reference-text"> Aterton Seidell: "Solubilities Of Organic Compounds Vol - I", S. 1429. <a rel="nofollow" class="external text" href="http://www.archive.org/stream/solubilitiesofor023311mbp#page/n923/mode/2up">Volltext</a></span>
</li>
<li id="cite_note-Mellor-6"><span class="mw-cite-backlink"><a href="#cite_ref-Mellor_6-0">↑</a></span> <span class="reference-text">J. W. Mellor: "A comprehensive treatise on inorganic and theoretical chemistry", Band 2, Verlag Longmans, Green 1965. S. 763, (<a rel="nofollow" class="external text" href="https://books.google.de/books?id=MdbvAAAAMAAJ&amp;pg=PA763#v=onepage">eingeschränkte Vorschau</a> in der Google-Buchsuche)</span>
</li>
<li id="cite_note-7"><span class="mw-cite-backlink"><a href="#cite_ref-7">↑</a></span> <span class="reference-text">Jean D’Ans, Ellen Lax: <i>Taschenbuch für Chemiker und Physiker. 3. Elemente, anorganische Verbindungen und Materialien, Minerale, Band 3.</i> 4. Auflage, Springer, 1997, ISBN 978-3-540-60035-0, S. 684 (<a rel="nofollow" class="external text" href="https://books.google.de/books?id=oWjEKDnsJgEC&amp;pg=PA684#v=onepage">eingeschränkte Vorschau</a> in der Google-Buchsuche).</span>
</li>
<li id="cite_note-Lind-8"><span class="mw-cite-backlink"><a href="#cite_ref-Lind_8-0">↑</a></span> <span class="reference-text">John E. Lind jr., Raymond M. Fuoss: "Conductance of the Alkali Halides. IV. Rubidium Bromide in Dioxane-Water mixtures" in <i>J. Phys. Chem.</i> <b>1962</b>, <i>66</i> (9), S. 1727–1729. <a href="Digital_Object_Identifier" title="Digital Object Identifier">doi</a>:<span class="uri-handle" style="white-space:nowrap"><a rel="nofollow" class="external text" href="https://doi.org/10.1021/j100815a041">10.1021/j100815a041</a></span></span>
</li>
</ol></div><!--htdig_noindex--><div><div class="zim-footer">
Dieser Artikel wurde von <a class="external text" title="Zuletzt bearbeitet am 2025-04-17" href="https://de.wikipedia.org/wiki/?title=Rubidiumbromat&amp;oldid=255214351">Wikipedia</a> herausgegeben. Der Text ist unter <a class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.de">Creative Commons Attribution-Share Alike 4.0</a> verfügbar, sofern nicht anders angegeben. Für die Mediendateien können zusätzliche Bedingungen gelten.
</div>
</div><!--/htdig_noindex--></div>
</div>
</main>
</div>
</div>
</div>
<script src="./_webp_/webpHandler.js"></script>

</body></html>