SPL Set ID: 6bdd5315-75ce-1537-e053-2991aa0a6549
1 drug(s) with this SPL Set ID
Esmolol hydrochloride is a beta adrenergic receptor blocker with a very short duration of action (elimination half-life is approximately 9 minutes). Esmolol hydrochloride is: (±)-Methyl p-[2-hydroxy-3-(isopropylamino) propoxy] hydrocinnamate hydrochloride and has the following structure: Esmolol hydrochloride has the empirical formula C 16 H 26 NO 4 Cl and a molecular weight of 331.8. It has one asymmetric center and exists as an enantiomeric pair. Esmolol hydrochloride is a white to off-white crystalline powder. It is a relatively hydrophilic compound which is very soluble in water and freely soluble in alcohol. Its partition coefficient (octanol/water) at pH 7.0 is 0.42 compared to 17.0 for propranolol. Esmolol Hydrochloride Structural Formula 11.1 Esmolol Hydrochloride Injection Dosage Forms Esmolol Hydrochloride Injection is a clear, colorless to light yellow, sterile, nonpyrogenic, iso-osmotic solution of esmolol hydrochloride in sodium chloride. The formulation is described in the table below: Table 4 Formulation for Esmolol Hydrochloride Injection Esmolol Hydrochloride. USP 10 mg/mL Sodium Chloride, USP 5.9 mg/mL Water for Injection, USP Q.S. to volume of 10 mL Sodium Acetate Trihydrate, USP 2.8 mg/mL Glacial Acetic Acid, USP 0.546 mg/mL Sodium Hydroxide Q.S. to adjust pH to 4.5-5.5 Hydrochloric Acid Q.S. to adjust pH to 4.5-5.5 Q.S. = Quantity sufficient