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<h3>Overview</h3>
<p><strong>3-Aminophthalhydrazide</strong> (CAS: <strong>521-31-3</strong>) is a critical chemiluminescent reagent with molecular formula C<sub>8</sub>H<sub>6</sub>N<sub>2</sub>O<sub>2</sub>. Synthesized via oxidation of 3-aminophthalic acid, it serves as the primary substrate for luminol-based assays in industrial quality control.</p>
<h3>Application</h3>
<ul>
<li>Forensic analysis for blood trace detection at crime scenes.</li>
<li>Environmental monitoring to detect trace metal ions and peroxides.</li>
<li>Biochemical research for immunohistochemistry and enzyme-linked immunoassays.</li>
</ul>
<h3>Precautions</h3>
<p>Store in a cool, dry place away from oxidizers. Avoid direct contact with skin and eyes; wear appropriate PPE during handling. Not approved for clinical therapeutic use.</p>