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<h3>Overview</h3>
<p><strong>4-Iodobiphenyl</strong> (CAS: 91-12-5) is a high-purity aromatic iodide with formula C12H9I. It is synthesized via palladium-catalyzed cross-coupling or electrophilic iodination of biphenyl derivatives.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceutical synthesis as an intermediate for kinase inhibitors.</li>
<li>Agrochemical production for herbicide active ingredients.</li>
<li>Material science for OLED emitter precursors and organic semiconductors.</li>
</ul>
<h3>Precautions</h3>
<p>Store in cool, dry conditions under inert atmosphere. Use appropriate PPE to prevent skin contact; avoid inhalation of dust due to potential toxicity.</p>