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<h3>Overview</h3>
<p><strong>Di-Phenyl Amine (DPA)</strong>, CAS <strong>122-39-4</strong>, is a secondary aromatic amine primarily synthesized via the catalytic dehydrogenation of aniline. Its molecular formula is C<sub>12</sub>H<sub>11</sub>N. This white crystalline solid serves as a fundamental intermediate in chemical manufacturing.</p>
<h3>Application</h3>
<ul>
<li><strong>Rubber Industry:</strong> Acts as a potent antioxidant and antiozonant for tires and industrial elastomers.</li>
<li><strong>Polymer Stabilization:</strong> Utilized to prevent thermal degradation in plastics during processing.</li>
<li><strong>Dye Synthesis:</strong> Serves as a key precursor for azo dyes and pigments.</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry, well-ventilated area away from oxidizers. Strictly avoid ingestion or inhalation due to potential toxicity. Personal protective equipment including gloves and goggles is mandatory during handling.</p>