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<h3>Overview</h3>
<p><strong>Cetrimonium bromide</strong> (CAS: 8044-71-1) is a quaternary ammonium compound synthesized via the alkylation of cetyl alcohol with methyl bromide. Its molecular formula is C<sub>19</sub>H<sub>42</sub>BrN. This cationic surfactant acts as an effective antimicrobial agent and emulsifier in industrial formulations.</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmaceuticals:</strong> Used as a preservative in eye drops and topical antiseptics.</li>
<li><strong>Cosmetics:</strong> Functions as a conditioning agent in hair care products to reduce static.</li>
<li><strong>Industrial:</strong> Employed as a biocide in water treatment systems and textile processing.</li>
</ul>
<h3>Precautions</h3>
<p>Requires storage in cool, dry areas away from strong oxidizers. Avoid skin contact and inhalation; use appropriate PPE including gloves and goggles during handling due to potential irritation hazards.</p>