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<h3>Overview</h3>
<p><strong>4-Aminobenzoic acid</strong> (CAS: 150-13-0) is a fundamental aromatic amine used in pharmaceutical synthesis. Its molecular formula is C7H7NO2. The core industrial process involves the oxidation of toluene or nitration of benzoic acid followed by reduction.</p>
<h3>Application</h3>
<ul>
<li>Production of local anesthetics like benzocaine.</li>
<li>Synthesis of sulfa drugs and antibiotics.</li>
<li>Raw material for UV absorbers in polymers.</li>
<li>Intermediate in dye manufacturing processes.</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry, ventilated area away from oxidizers. Personnel must wear PPE including gloves and goggles due to skin irritation risks. Avoid inhalation of dust; not approved for direct human consumption without formulation.</p>