This sterile preparation is commonly used to dilute or dissolve drugs for intramuscular or subcutaneous injection. Since Pura’s Bacteriostatic water is packaged in a 30 ml vial, it can be reused multiple times before disposal. Bacteriostatic water for injection contains 0.9% benzyl alcohol as a bacteriostatic preservative and sterile water. With a pH rating of 5.7, it provides a safe and effective solvent for various compounds. Pura offers the highest quality products for safe and reliable research.