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BAC Water is USP-grade bacteriostatic water preserved with 0.9% benzyl alcohol. It is used as a diluent for reconstituting lyophilized research compounds in laboratory settings. This sterile, non-pyrogenic aqueous solution meets United States Pharmacopeia standards for purity and sterility, making it the standard solvent for peptide reconstitution in research protocols.
Bacteriostatic water differs from sterile water for injection in that the benzyl alcohol preservative inhibits microbial growth, allowing multi-use access over a 28-day period after initial puncture. The 0.9% benzyl alcohol concentration is the established pharmaceutical standard, providing effective preservation without interfering with the stability or activity of reconstituted research compounds.
AXOM BAC Water is manufactured under strict cGMP-equivalent protocols and undergoes 0.22μm membrane filtration to ensure sterility. Available in 3mL and 10mL vial formats for research use only.
Meets United States Pharmacopeia standards for purity, sterility, and endotoxin levels. Manufactured under cGMP-equivalent protocols with full quality documentation.
0.9% benzyl alcohol preservative inhibits microbial growth, enabling repeated aseptic access over a 28-day period after initial vial puncture — the pharmaceutical industry standard.
Processed through 0.22μm membrane filtration for verified sterility. Non-pyrogenic and particle-free, suitable for reconstituting sensitive lyophilized research compounds.
Comprehensive review of bacteriostatic water compatibility with reconstituted pharmaceutical compounds. Documented the stability profiles of benzyl alcohol-preserved diluents across multiple drug classes, establishing standard protocols for reconstitution timing, storage conditions, and multi-use vial access in pharmacy practice.
Evaluated the antimicrobial efficacy of benzyl alcohol at concentrations of 0.9–2.0% against USP challenge organisms. Demonstrated that 0.9% benzyl alcohol meets USP antimicrobial effectiveness testing criteria, supporting its use as the standard preservative concentration in multi-dose parenteral formulations.
Analysis of USP Chapter 797 guidelines governing the reconstitution of sterile preparations, including the role of bacteriostatic water in establishing beyond-use dating for multi-dose vials. Detailed the 28-day use period standard for preserved reconstituted preparations stored under controlled room temperature conditions.
| Product Name | BAC Water (Bacteriostatic Water for Research) |
| Type | USP-Grade Bacteriostatic Water |
| Preservative | 0.9% Benzyl Alcohol (w/v) |
| Form | Sterile aqueous solution, clear and colorless |
| Sterility | 0.22μm membrane filtered, non-pyrogenic |
| pH Range | 4.5–7.0 |
| Endotoxin | <0.25 EU/mL (LAL method) |
| Available Sizes | 3mL, 10mL |
| SKU (3mL) | BW3 |
| SKU (10mL) | BW10 |
| Container | Glass vial with rubber stopper and aluminum crimp seal |
| Storage | Room temperature (15–25°C), protect from light |
| Beyond-Use Period | 28 days after initial puncture |
| Certification | COA included with every order |
| Intended Use | For research and laboratory use only |
BAC Water is supplied as a ready-to-use sterile diluent for reconstituting lyophilized research compounds. Follow standard aseptic technique for all laboratory procedures.
All orders ship within the continental United States via USPS or UPS. BAC Water is shipped at ambient temperature and is stable during transit. Free shipping on orders over $250.
