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<h3>Overview</h3>
<p><strong>Permethrin</strong> is a synthetic pyrethroid insecticide produced via chemical synthesis. Its molecular formula is C<sub>21</sub>H<sub>20</sub>Cl<sub>2</sub>O<sub>3</sub> with CAS No. 52645-53-1.</p>
<h3>Application</h3>
<ul>
<li>Agriculture: Crop protection against chewing and sucking insects.</li>
<li>Veterinary Medicine: Control of ectoparasites on livestock.</li>
<li>Public Health: Mosquito control in vector-borne disease zones.</li>
<li>Industrial: Textile treatment for mosquito-repellent fabrics.</li>
</ul>
<h3>Precautions</h3>
<p>Strictly avoid direct skin contact; use PPE during handling. Store in cool, dry conditions away from oxidizers. Toxic to aquatic organisms; prevent environmental release.</p>