Disclosed are concentrate esmolol injection essentially free from other related esters of esmolol and diluted esmolol compositions. The concentrate esmolol formulation includes from about 25-1000 mg/ml of esmolol and about 1-25 % w/v of benzyl alcohol and the combination thereof. The compositions can also be used as multi-dose compositions. The present invention also discloses diluted, ready-to-use compositions of esmolol prepared by dilution of the present invention concentrates. Also disclosed are methods of making and using the ready-to-use compositions of the present invention.
