0.9% Sodium Chloride (Rx) 9mg/ml Solution for Intravenous Infusion is a sterile, isotonic solution used for replenishing electrolytes and maintaining fluid balance in patients. It contains 9mg of sodium chloride per milliliter (0.9% w/v), and is commonly administered through intravenous infusion for hydration, restoring electrolyte levels, or diluting other medications. This solution comes in a 100ml vial.