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<h3>Overview</h3>
<p><strong>3-Methylthiopropionaldehyde</strong> (CAS: 1120-69-8) is a volatile organosulfur intermediate synthesized via hydroformylation of methacrolein or oxidation of thioalcohols. Its molecular formula is <strong>C4H8OS</strong>, serving as a key precursor in fragrance and agrochemical manufacturing.</p>
<h3>Application</h3>
<ul>
<li>Synthetic flavoring agent for dairy and fruit essences.</li>
<li>Precursor for specialized sulfur-containing pesticides.</li>
<li>Intermediate in pharmaceutical synthesis for sulfide derivatives.</li>
</ul>
<h3>Precautions</h3>
<p>Strictly store under inert atmosphere at low temperatures to prevent polymerization. Use appropriate PPE due to high volatility and potential respiratory irritation; avoid direct skin contact and ensure adequate ventilation during handling.</p>