Sodium Chloride Injection, USP 0.9% is a formulation of sodium chloride in Water for Intravascular Injection. No preservative, antimicrobial agent or buffer is added. Sodium Chloride Injection, USP 0.9% is provided as a sterile, nonpyrogenic, clear, colorless, odorless solution.

Each mL of Sodium Chloride Injection, USP 0.9% contains 9 mg of sodium chloride. The pH is 4.5 to 7.0. The osmolarity is 308 mOsm/L (calc.). Sodium Chloride Injection, USP 0.9% is designated chemically as sodium chloride and its molecular formula is NaCl. Its molecular weight is 58.44.