Chinese tannin; Gallotannic acid;
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<h3>Overview</h3>
<p>Tannic acid is a polyphenolic compound extracted from plant galls via water extraction and crystallization. It functions as a potent antioxidant and protein precipitant with the molecular formula <strong>C76H52O46</strong> (CAS No: 1401-55-4).</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmaceuticals:</strong> Used in antidiarrheal formulations and topical astringents.</li>
<li><strong>Leather Tanning:</strong> Essential for vegetable tanning processes to stabilize hides.</li>
<li><strong>Food Industry:</strong> Acts as a clarifying agent in beverages and wine stabilization.</li>
<li><strong>Chemical Synthesis:</strong> Serves as a precursor for resins and dyes.</li>
</ul>
<h3>Precautions</h3>
<p>Store in cool, dry conditions away from oxidizers. Avoid inhalation of dust; wear PPE including gloves and eye protection. High doses may cause hepatotoxicity in clinical settings.</p>