Benzyl alcohol bacteriostasis
Benzyl alcohol at 0.9% disrupts microbial membrane integrity, inhibiting growth in multi-entry vials.
- Membrane disruption
- Multi-entry protection
- Non-sterilizing preservative

Reconstitution Solvent
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Bacteriostatic water is sterile water containing 0.9% benzyl alcohol as a bacteriostatic preservative. It is used in laboratory settings as a diluent for reconstituting lyophilized peptide reference materials, where the preservative limits microbial growth across repeated vial entries.
Sterile diluent, 0.9% benzyl alcohol preserved
The pathways Bacteriostatic Water acts on — and what each one does. Signalling pathways studied in preclinical models · illustrative.
Benzyl alcohol at 0.9% disrupts microbial membrane integrity, inhibiting growth in multi-entry vials.
Used to solubilize lyophilized peptide reference material prior to in-vitro assay work.
The main areas Bacteriostatic Water is being studied for — and the study-reported figures behind them.
Standard diluent for returning lyophilized peptides to solution for benchtop research.
USP Monograph
Preserved formulation studied for repeated vial access without microbial proliferation.
J Pharm Sci
Representative figures from published research. Bars fill as you scroll.
Figures are representative of published research findings and shown for reference.
| Compound | Bacteriostatic Water for Injection |
|---|---|
| Composition | Sterile water, 0.9% benzyl alcohol |
| Molecular formula | H2O |
| CAS number | 7732-18-5 |
| pH | 5.0 – 7.0 |
| Vial size | 10mL |
| Physical form | Clear, colorless solution |
| Storage | 15–30 °C, room temperature |
| Multi-entry | Preserved for repeated withdrawals |
| Intended use | Laboratory research only — not for human consumption |
In a laboratory context it is used as a diluent to reconstitute lyophilized peptide reference materials. The 0.9% benzyl alcohol limits microbial growth when a vial is entered more than once.
Store at controlled room temperature, 15–30 °C, away from direct light. Do not freeze.
No. This product is supplied strictly for in-vitro and laboratory research. It is not a drug, supplement, or food, and it is not intended for human or animal consumption.
Yes. Independent third-party laboratories verify sterility and preservative content on each production lot, and the signed report is archived by lot number.
Independent published research indexed from PubMed and peer-reviewed journals — not Zorva Lab claims.
For Research Use Only.
Not for human or veterinary use. For in-vitro laboratory research only. These statements have not been evaluated by the FDA; this product is not intended to diagnose, treat, cure, or prevent any disease. Sold exclusively to qualified researchers and institutions.
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