*The following content is generated by AI and is for reference only.
<h3>Overview</h3>
<p>Diphenhydramine Hydrochloride is a first-generation antihistamine synthesized via condensation of diphenylmethanol with dimethylaminoethyl chloride. <strong>Molecular Formula</strong>: C<sub>17</sub>H<sub>21</sub>NO·HCl; <strong>CAS No.</strong>: 147-24-0.</p>
<h3>Application</h3>
<ul>
<li>Allergy relief in pharmaceutical formulations</li>
<li>Sedative agent for insomnia management</li>
<li>Antiemetic component in motion sickness drugs</li>
<li>Active ingredient in topical anesthetic creams</li>
</ul>
<h3>Precautions</h3>
<p>Strictly limit dosage to avoid CNS depression. Store in cool, dry conditions below 25°C away from moisture. Handle with PPE to prevent skin irritation and inhalation risks during industrial processing.</p>