SPL Set ID: 6bb9921c-a0f9-309f-e053-2a91aa0a1e5e
1 drug(s) with this SPL Set ID
Esmolol hydrochloride injection 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 molecular 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 USP 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 for propranolol. Esmolol Chemical Structure 11.1 Esmolol Hydrochloride Injection Dosage Form Esmolol hydrochloride injection is a clear, colorless to light yellow, sterile, nonpyrogenic solution of esmolol hydrochloride. The formulation for esmolol hydrochloride injection is described in the table below: Table 4 Esmolol Hydrochloride Injection Formulation Esmolol Hydrochloride Injection Esmolol Hydrochloride USP 10 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