Pseudoephedrine hydrochloride (HCl) powder is a white, odorless crystalline substance primarily used as a potent active pharmaceutical ingredient (API) in nasal and sinus decongestant medications. It shrinks swollen nasal mucous membranes
Key Details and Properties
Mechanism: As an alpha-adrenergic agonist, it constricts blood vessels in the nasal passages to relieve congestion.
Physical Profile: It occurs as a white, crystalline powder that is very freely soluble in water. It melts between 182-185°C
Regulation: Because it is structurally similar to amphetamine and can be misused in the illicit synthesis of methamphetamine, it is strictly tracked and regulated globally.
Published on May 23, 2026
Published by Brookssmith
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