*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Pyridine sulfur trioxide is a complex of pyridine and sulfur trioxide, serving as a mild sulfating agent. Its molecular formula is <strong>C<sub>5</sub>H<sub>5</sub>N·SO<sub>3</sub></strong> with CAS <strong>14076-28-1</strong>. It is synthesized via direct reaction of pyridine with SO<sub>3</sub>.</p>
<h3>Application</h3>
<ul>
<li><strong>Pharmaceuticals:</strong> Sulfation of alcohols and phenols in drug synthesis.</li>
<li><strong>Agrochemicals:</strong> Production of sulfonyl-based herbicides and fungicides.</li>
<li><strong>Dyes:</strong> Manufacturing water-soluble sulfonated dye intermediates.</li>
</ul>
<h3>Precautions</h3>
<p>Store in sealed containers away from moisture to prevent decomposition. Use appropriate PPE due to corrosive nature; avoid inhalation of dust or vapors.</p>