LEAPChem supplies high quality fine chemicals, intermediates and APIs.
AI Product Description
*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>AMBERLYST(R) A-21 is a <strong>macroporous anion exchange resin</strong> based on polystyrene-divinylbenzene copolymer. It features quaternary ammonium functional groups for efficient ion exchange in organic media.</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmaceuticals:</strong> Purification of active ingredients and removal of acidic impurities.</li>
<li><strong>Catalysis:</strong> Serving as a solid base catalyst in condensation reactions.</li>
<li><strong>Water Treatment:</strong> Selective removal of nitrate and sulfate ions.</li>
</ul>
<h3>Precautions</h3>
<p>Store in sealed containers at ambient temperature away from oxidizers. Avoid exposure to strong acids or bases that may degrade the matrix. Personal protective equipment is required during handling to prevent inhalation of dust.</p>