Bacteriostatic Water for Injection is sterile, non-pyrogenic water that contains 0.9% benzyl alcohol (9mg/mL) added as a bacteriostatic preservative. This preparation of sterile water and benzyl alcohol (BnOH) allows repeated withdrawals to be made from a single plastic vial.

Acetic acid water (vinegar solution) generally refers to an aqueous solution of acetic acid (vinegar). Depending on the application and concentration, it plays a significant role in biological experiments, industry, and daily life.