Novel water soluble amino acid salts of 1H-1-benzazepine-1-acetic acid, process of preparation of such novel salts and methods of using them are provided. Also provided are pharmaceutical compositions comprising such novel salts and method of using such compositions for the prophylaxis, amelioration and/or treatment of cardiovascular and other associated disorders which comprises the administration of an effective amount of such composition to a subject in need thereof. The novel salts of the present invention are obtained in highly pure solid form, possess appreciable aqueous solubility and good bioavailability, and can be easily formulated into any pharmaceutically acceptable dosage form such as solid oral, drinkable or injectable compositions.
