Epinastine Hydrochloride(CAS: 80012-44-8)

Epinastine hydrochloride is a white to off-white crystalline powder with a molecular weight of approximately 327.81 g/mol. It has a pKa of 1.7 and is soluble in water (2.48 g/100 mL at 25°C). Chemically, it is stable under normal conditions but can hydrolyze in basic solutions. It is reactive to acids and bases.

Epinastine hydrochloride can be synthesized from epinastine by reacting it with hydrochloric acid. The reaction is performed in a suitable solvent like methanol or ethanol. The process is carried out under mild conditions and involves careful monitoring to achieve high selectivity and yield.

Epinastine hydrochloride is primarily used in the pharmaceutical industry for its antihistaminic properties. It is also used in some light industries for its chemical reactivity. Its applications include the formulation of allergy medications and as a research compound for drug development.

When handling epinastine hydrochloride, wear appropriate personal protective equipment (PPE), including gloves and safety goggles. Store it in a cool, dry place away from direct sunlight. Use in a well-ventilated area or a fume hood. Follow safety data sheet (SDS) guidelines for disposal and spill cleanup. Ensure proper ventilation and avoid inhaling dust or aerosols.