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<h3>Overview</h3>
<p>Potassium sulfide (<strong>K2S</strong>, CAS <strong>1312-73-8</strong>) is an inorganic salt produced via the reaction of potassium hydroxide with hydrogen sulfide. It serves as a vital source of sulfide ions in industrial synthesis.</p>
<h3>Application</h3>
<ul>
<li><strong>Textile Industry:</strong> Used as a dyeing agent for cotton and wool to improve color fastness.</li>
<li><strong>Metal Processing:</strong> Applied in electroplating baths for copper and nickel recovery.</li>
<li><strong>Cosmetics:</strong> Utilized in depilatory creams for hair removal due to keratin dissolution.</li>
</ul>
<h3>Precautions</h3>
<p>Strictly store in sealed, dry containers away from moisture to prevent H2S release. Personnel must wear acid-resistant PPE; inhalation causes severe respiratory irritation.</p>