Propylene glycol is the most common organic solvent in
commercially available injectable formulations. Fenoldopam
mesylate, a sparingly water-soluble rapid-acting vasodilator
antihypertensive, is solubilized in Corlopam to 10 mg/ml in a
citric acid pH 3.4 buffer with 50% propylene glycol which is
diluted at least 50-fold with saline or dextrose 5% prior to IV
infusion (2). O