Bacteriostatic Water for Injection, USP is a sterile, multiple-dose, non-pyrogenic water for injection.
– Contains 0.9% (9 mg/mL) of benzyl alcohol added as a bacteriostatic preservative.
– Shelf-life: 18 months
Bacteriostatic water is an essential ingredient in the reconstitution of many medicines, including human growth hormone (HGH) and human chorionic gonadotropin (HCG). Reconstitution is also required for peptides, TB-500 (Thymosin Beta-4), growth factors, and other pharmaceutical compounds stored in lyophilized powder form.
At zionbiotechnology.com, we supply only United Pharmaceuticals Ltd. Bacteriostatic Water for injection that has an expiration date exceeding one year. Bacteriostatic Water is a preparation designed solely for parenteral use, and must be used only after addition of drugs that require dilution or that must be dissolved in an aqueous vehicle prior to injection. Bacteriostatic Water is supplied in a multiple-dose container from which repeated withdrawals may be made to dilute or dissolve drugs for injection. The pH is 5.7 (4.5 to 7.0). Water for Injection, USP is chemically designated H2O.
The semi-rigid vial container is fabricated from a specially formulated polyolefin. It is a copolymer of ethylene and propylene. The safety of the plastic has been confirmed by tests in animals according to USP biological standards for plastic containers.
Sterile Water vs Bacteriostatic Water
Bacteriostatic water for injection has an extra preservative agent added into the water called benzyl alcohol (BnOH). Benzyl alcohol is a colorless liquid that has low toxicity and low vapor pressure. This preservative enables repeated withdrawals from the same vial.
On the other hand, Sterile Water for Injection is a single-dose sterile water that does not contain any bacteriostatic, antimicrobial agents or added buffers.
Additionally, Bacteriostatic Sodium Chloride further differs from the previous two as this preparation features the addition of 9 mg of sodium chloride (NaCl) per milliliter, along with added bacteriostatic preservative.
What is Bacteriostatic Water Used For?
Bacteriostatic water is used for diluting or dissolving pharmacological preparations meant for intramuscular, subcutaneous, or intravenous injection. Bacteriostatic water for injection is only for parenteral use and must be combined with pharmaceuticals that require dilution or dissolving prior to administration. Multi-dose vials enable multiple withdrawals for use with numerous preparations. Once the vial has been opened, it is recommended to use within 4 weeks (28 days).