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<h3>Overview</h3>
<p><strong>o-Phthalaldehyde</strong> (CAS 643-79-8; C8H6O2) is a critical heterocyclic aldehyde synthesized via the oxidation of o-xylene. It serves as a primary intermediate in organic synthesis.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceuticals: Synthesis of antibiotics and antifungal agents.</li>
<li>Water Treatment: Non-chlorinated disinfectant for medical equipment sterilization.</li>
<li>Chemicals: Precursor for dyes, pigments, and polymer additives.</li>
</ul>
<h3>Precautions</h3>
<p>Store in tightly sealed containers away from oxidizers. Requires PPE due to severe skin irritation and respiratory toxicity risks.</p>