Description
Composition & Identity
Bacteriostatic water is a sterile aqueous solution containing 0.9% benzyl alcohol as a bacteriostatic preservative. The benzyl alcohol is what allows repeated withdrawals from the same vial while keeping the water sterile. It is a clear, colorless solution and contains no peptide, protein, or active pharmaceutical ingredient.
Intended Research Use
Bacteriostatic water is a general-purpose sterile water reagent for laboratory preparations.
- General laboratory solvent. A sterile water source for compatible laboratory preparations.
- Multi-use vial. The benzyl-alcohol preservative supports repeated entries without contamination.
It is a laboratory consumable, not a research subject in itself.
Specifications
| Attribute | Value |
| Product type | Sterile diluent |
| Composition | Sterile water + 0.9% benzyl alcohol |
| Volume | 30 mL |
| Appearance | Clear, colorless solution |
| Container | Vial with resealable stopper |
| Storage | Controlled room temperature, 20-25°C (68-77°F) |
| Classification | Research use only |
Storage & Handling
Store at controlled room temperature, 20-25°C (68-77°F). Bacteriostatic water does not need refrigeration or freezing. Keep the vial sealed between uses and inspect the solution for clarity before use in your assay. Discard if it becomes cloudy or discolored.
Quality Assurance
Bacteriostatic water is prepared and tested to standards appropriate for a sterile diluent, which means sterility and preservative content rather than peptide assays. Peptide-specific tests such as HPLC purity, mass-spec identity, and amino-acid analysis do not apply to water and are not used here. Relevant quality checks cover sterility, benzyl-alcohol content, and clarity.
Frequently Asked Questions
What is bacteriostatic water?
It is sterile water containing 0.9% benzyl alcohol as a preservative. It is a general-purpose laboratory water reagent and is supplied for research use only.
Is bacteriostatic water a peptide?
No. It contains no peptide or active ingredient. It is simply preserved sterile water supplied as a general-purpose laboratory reagent.
What is the benzyl alcohol for?
Benzyl alcohol is a bacteriostatic preservative. It keeps the water sterile through repeated extractions, which is what makes the vial “multi-use.”
How is bacteriostatic water stored?
At controlled room temperature, 20-25°C. Unlike most lyophilized compounds, it should not be frozen or refrigerated.
Why doesn’t this product have HPLC purity or a COA?
Because it is water, not a research compound. Research peptide assays like HPLC purity and amino-acid analysis do not apply. The relevant quality checks are sterility, preservative content, and clarity.
How is bacteriostatic water used in research?
It serves as a general-purpose sterile water reagent for laboratory preparations.
How long can the vial be used after opening?
The benzyl-alcohol preservative supports repeated extractions. Follow standard laboratory practice and discard if the solution becomes cloudy or discolored.
Is bacteriostatic water FDA approved?
The material sold here is a research-use-only laboratory diluent, not for human or veterinary use.
Ordering & Delivery
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- Bulk and multi-vial pricing available on request.
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