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<h3>Overview</h3>
<p>Tetrabutylammonium bromide (CAS 1643-19-2) is a quaternary ammonium salt widely used as a phase-transfer catalyst. The molecular formula is <strong>C<sub>16</sub>H<sub>36</sub>NBr</strong>. It facilitates organic reactions by transferring anions into organic phases.</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmaceuticals:</strong> Synthesis of active pharmaceutical ingredients via alkylation.</li>
<li><strong>Chemical Industry:</strong> Catalyzing nucleophilic substitutions and oxidation reactions.</li>
<li><strong>Organic Synthesis:</strong> Enhancing reaction rates in biphasic systems.</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry, well-ventilated area away from oxidizers. Use appropriate PPE to prevent skin contact and inhalation. Do not use for human consumption.</p>