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	<title>Natriumoxydhydrat Archives | Comedol-Chemie</title>
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	<title>Natriumoxydhydrat Archives | Comedol-Chemie</title>
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		<title>Ätznatron</title>
		<link>https://comedol.de/produkt/basis-chemie/chemie-von-a-z/chemikalien-a-e/chemikalien-mit-a/aetznatron/</link>
		
		<dc:creator><![CDATA[Praktiker]]></dc:creator>
		<pubDate>Tue, 27 Jun 2023 08:49:44 +0000</pubDate>
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					<description><![CDATA[<p>Ätznatron, auch bekannt als Natriumhydroxid, ist eine anorganische Verbindung, die zu den starken Basen zählt. Es wird in einer Vielzahl von Anwendungen eingesetzt und ist einer der wichtigsten Grundstoffe in der chemischen Industrie. Die Herstellung von Ätznatron erfolgt hauptsächlich durch verschiedene Elektrolyseverfahren von Natriumchlorid. Dabei entsteht Natronlauge, zusammen mit den Nebenprodukten Wasserstoff und Chlorgas. Die flüssige Natronlauge wird anschließend durch Aufkonzentrierung und Reinigung in kristallines Ätznatron umgewandelt.</p>
<p>&#160;</p>
<p>The post <a rel="nofollow" href="https://comedol.de/produkt/basis-chemie/chemie-von-a-z/chemikalien-a-e/chemikalien-mit-a/aetznatron/">Ätznatron</a> appeared first on <a rel="nofollow" href="https://comedol.de">Comedol-Chemie</a>.</p>
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				<h4><strong>Sicherheitshinweise:</strong></h4>
<p>GHS-Gefahrstoffkennzeichnung aus Verordnung (EG) Nr. 1272/2008 (CLP), ggf. erweitert</p>

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				<h4>Andere Namen:</h4>
<p>Natriumhydroxid<br />
Natronlauge (wässrige Lösung)<br />
kaustische(s) Soda<br />
Natriumoxydhydrat<br />
SODIUM HYDROXIDE<br />
Natronhydrat<br />
Ätzsoda<br />
Seifenstein<br />
E 524<br />
Natrium causticum</p>

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				<h4>Eigenschaften:</h4>
<p>Ätznatron, auch als Natriumhydroxid bekannt, ist eine anorganische Verbindung und zählt zu den starken Basen. Es findet in einer Vielzahl von Anwendungen Verwendung und ist ein wesentlicher Grundstoff in der chemischen Industrie. Die Herstellung von Ätznatron erfolgt hauptsächlich durch verschiedene Elektrolyseverfahren von Natriumchlorid.</p>

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				<h4>Löslichkeit:</h4>
<p>gut löslich in Wasser: (1090 g·l−1 bei 20 °C)<br />
löslich in Wasser und Methanol (Monohydrat)</p>

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				<h4>Dichte</h4>
<p>2,13 g·cm−3<br />
1,77 g·cm−3 (Schmelze bei 350 °C)</p>

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				<h4>H- und P-Sätze:</h4>
<p>H: 290​‐​314<br />
P: 280​‐​301+330+331​‐​305+351+338​‐​308+310</p>

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				<h4>Toxikologische Daten:</h4>
<p>Minimalwert: 196 mg/l (LC50 Fisch (96 Stunden))<br />
Maximalwert: 196 mg/l<br />
Medianwert: 196 mg/l<br />
Minimalwert: 40,4 mg/l (EC50 Krustentiere (48 Stunden))<br />
Maximalwert: 40,4 mg/l<br />
Medianwert: 40,4 mg/l</p>

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				<h4>MAK:</h4>
<p>Schweiz: 2 mg·m−3 (gemessen als einatembarer Staub)</p>

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				<h4>Summenformel:</h4>
<p>NaOH</p>

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				<h4>CAS-Nummer:</h4>
<p>1310-73-2</p>

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				<h4>PubChem</h4>
<p>14798</p>

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				<h4>Kurzbeschreibung:</h4>
<p>weißer, geruchsloser, hygroskopischer Feststoff</p>

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				<h4>Molare Masse:</h4>
<p>39,997 g·mol−1</p>

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				<h4>Aggregatzustand:</h4>
<p>fest</p>

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				<h4>Schmelzpunkt:</h4>
<p>323 °C</p>

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				<h4>Siedepunkt:</h4>
<p>1390 °C</p>

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			<h2>Andere Chemikalien aus dieser <span> Stoffgruppe </span></h2>
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<p>The post <a rel="nofollow" href="https://comedol.de/produkt/basis-chemie/chemie-von-a-z/chemikalien-a-e/chemikalien-mit-a/aetznatron/">Ätznatron</a> appeared first on <a rel="nofollow" href="https://comedol.de">Comedol-Chemie</a>.</p>
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