10% Calcium Chloride Injection, USP is a sterile, nonpyrogenic, hypertonic solution containing 100 mg (1.4 mEq/mL) of calcium chloride, dihydrate (1.4 mEq each of Ca++ and Cl¯) in water for injection. It is provided in a 10 mL Unit of Use Syringe to facilitate prompt intravenous injection. The solution is administered only by intravenous or intraventricular cavity injection as a calcium replenisher.
The solution contains no bacteriostat, antimicrobial agent or added buffer and is intended only for use as a single-dose injection. As per USP testing, when diluted with water for injection to make a 5% solution, the pH of calcium chloride injection is 6.3 (5.5 to 7.5). May contain hydrochloric acid and/or sodium hydroxide for pH adjustment. The osmolar concentration is 2.04 mOsmol/mL (calc.). 10% Calcium Chloride Injection, USP is oxygen sensitive.
Calcium Chloride, USP dihydrate is chemically designated CaCl2 · 2H2O (dihydrate) white, odorless fragments or granules freely soluble in water.