Category:
Active Pharmaceutical Ingredients
CAS NO:
58-33-3
Standard:
In-house Standards,
Promethazine Hydrochloride is a synthetic phenothiazine derivative used primarily as an antihistamine and sedative. Produced via chlorination and quaternization of promethazine, its molecular formula is C17H20ClN2S·HCl with CAS No. 60-87-7.
Strictly avoid use in children under two years due to respiratory depression risks. Store in cool, dry conditions below 25°C away from direct light. Handle with appropriate PPE to prevent skin irritation and inhalation hazards.