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><strong>Hydroxypropyl methyl cellulose (HPMC)</strong> is a non-ionic water-soluble polymer derived from cellulose via etherification. Its molecular formula is C<sub>21</sub>H<sub>34</sub>O<sub>11</sub>, and CAS No. is 9004-65-3.</p>
<h3>Application</h3>
<ul>
<li>Pharmaceuticals: Tablet coating, controlled-release matrix, and ophthalmic drops.</li>
<li>Construction: Cement modifiers for improved workability and water retention.</li>
<li>Foods: Thickener and stabilizer in dairy products and baked goods.</li>
<li>Cosmetics: Viscosity builder in lotions and creams.</li>
</ul>
<h3>Precautions</h3>
<p>Avoid inhalation of dust; wear respiratory protection. Store in cool, dry conditions below 30°C to prevent caking or microbial growth. Not recommended for intravenous use due to viscosity risks.</p>