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<h3>Overview</h3>
<p><strong>3-Nitrophthalic acid</strong> (CAS: 609-74-1) is a key organic intermediate synthesized via nitration of phthalic anhydride. Its molecular formula is C8H5NO6.</p>
<h3>Application</h3>
<ul>
<li>Dye industry for azo pigment synthesis.</li>
<li>Pharmaceutical manufacturing as a precursor.</li>
<li>Polymer production for specialized resins.</li>
</ul>
<h3>Precautions</h3>
<p>Store in cool, dry areas away from oxidizers. Use appropriate PPE to avoid skin contact and inhalation of dust.</p>