Bacteriostatic Water is sterile water containing 0.9% benzyl alcohol, used as a reconstitution solvent for laboratory research. Unlike the research compounds it’s used alongside, it isn’t studied for its own biological activity. Its role is functional: it dissolves lyophilized (freeze-dried) peptides into a usable solution for research applications, while the added benzyl alcohol helps inhibit bacterial growth in the reconstituted solution.
What Is Bacteriostatic Water?
Bacteriostatic Water differs from plain sterile water by the addition of a small, controlled concentration of benzyl alcohol. This addition makes it suitable for reconstituting peptides that will be used across multiple research sessions from the same vial, since the benzyl alcohol helps maintain solution stability against bacterial contamination over repeated access. It belongs to a category of research reagents, solvents and diluents, that support experimental work rather than serving as a subject of study themselves.
Why Bacteriostatic Water Is Used for Reconstitution
Most lyophilized peptides used in research require a liquid solvent before they can be measured, handled, or applied in an experimental setting. Bacteriostatic Water is commonly selected over plain sterile water when a vial will be used more than once, since its bacteriostatic property supports solution stability across multiple draws rather than requiring the full vial to be reconstituted and used in a single session.
Which Compounds Typically Use It
Bacteriostatic Water is broadly compatible with most standard research peptides that dissolve well in aqueous solutions. It is generally the default reconstitution choice, distinct from acetic acid solutions, which are typically reserved for a smaller number of peptides with limited water solubility. Researchers should follow compound-specific guidance to confirm the correct reconstitution solvent for a given peptide.
Specifications
| Specification | Details |
|---|---|
| Product | Bacteriostatic Water |
| Product Type | Reconstitution solvent / diluent |
| Active Preservative | Benzyl Alcohol, 0.9% |
| Volume | 3 mL |
| Sterility | Sterile |
For laboratory research use only. Not for human or animal use. Not intended to diagnose, treat, cure, or prevent any disease. Not intended as a household or food-grade product.
