Laboratory supplies
Bacteriostatic Water
Bacteriostatic water is a diluent, not a peptide compound. Verify volume and declared specifications. Selection depends on the laboratory’s documented procedure and does not by itself make another material sterile.
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Available · SKU BAC-03
For laboratory research only. Not for human or veterinary use.
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About this compound
Benzyl alcohol is a technical-grade preservative whose mechanism described in the literature is alteration of bacterial cell membrane permeability. Asciende makes no claim about antimicrobial performance in the reconstituted vial: that performance depends on the user's preparation. It is not part of the reconstituted chemical entity.
Read the complete research referenceBatch documentation
Ask support which documents are available for the selected variant and batch. Catalog specifications do not establish an individual batch result.
Review documentation informationResearch context & mechanism
Benzyl alcohol is a technical-grade preservative whose mechanism described in the literature is alteration of bacterial cell membrane permeability. Asciende makes no claim about antimicrobial performance in the reconstituted vial: that performance depends on the user's preparation. It is not part of the reconstituted chemical entity.
Technical specifications
Reference specifications describe the material. They do not replace the analytical results for a specific batch.
- Chemical name
- Sterile water with 0.9 % benzyl alcohol
- Sequence
- Not applicable
- Molecular formula
- Not applicable
- Molecular weight
- Not applicable
- CAS number
- Not applicable
- Form
- Sterile liquid solution
- Appearance
- Clear, colorless liquid
- Purity specification
- Not applicable
- Identity
- Not applicable
- Solubility
- Miscible with water
- Storage
- Controlled room temperature, 15–25 °C, protected from light
- Stability after reconstitution
- Not applicable
Batch documentation
Review documentation for the product and variant you are purchasing. A reference specification, a research publication and an individual batch certificate are different sources. Ask support which documents are available for your chosen variant and batch. No analytical result should be assumed from a catalog specification.
Consult batch certificates How to read documentationLaboratory handling
- Reconstitution
- Laboratory procedure: disinfect the septum before each puncture and withdraw the volume with sterile, single-use equipment.
- Storage
- Store the closed vial at controlled room temperature, protected from light.
- Protective equipment
- Handle with nitrile gloves and eye protection in a clean work area.
Research references
- Antimicrobial preservative use in parenteral products: past and present.
J Pharm Sci · 2007 · PMID 17722087
- Critical Aspects of pH Measurement for Bacteriostatic Water for Injection.
J Pharm Sci · 2023 · PMID 36870668
- Role of benzyl alcohol in the unfolding and aggregation of interferon α-2a.
J Pharm Sci · 2015 · PMID 25100180
- Effects of antimicrobial preservatives on protein folding stability and subvisible particle formation in monoclonal antibody trastuzumab.
Eur J Pharm Biopharm · 2025 · PMID 40754203
Read more about this material
Frequently asked questions
What is bacteriostatic water used for in the laboratory?
It is used as a diluent in procedures for reconstituting lyophilized compounds when the laboratory protocol calls for multiple punctures of the same vial.
How is it stored once opened?
The vial is kept at controlled room temperature, protected from light, and its period of use is defined in the laboratory's internal procedure.
