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<h3>Overview</h3>
<p><strong>1,3-Diphenylurea</strong> (CAS: 50-92-4) is a diphenylurea derivative synthesized via the reaction of aniline with phosgene or urea derivatives. Its molecular formula is C<sub>13</sub>H<sub>12</sub>N<sub>2</sub>O.</p>
<h3>Application</h3>
<ul>
<li>Synthesis of pharmaceutical intermediates for sulfonylurea hypoglycemic agents.</li>
<li>Production of high-performance polymers and polyurethane modifiers.</li>
<li>Intermediate in organic synthesis for specialized agrochemicals.</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry, well-ventilated area away from oxidizers. Avoid inhalation of dust; wear appropriate PPE including gloves and eye protection during handling.</p>