Description
Specifications
- Form: Sterile liquid
- Standard vial size: 10mL, 30mL
- Composition: USP-grade water with 0.9% benzyl alcohol as a bacteriostatic preservative
- Storage: Store at room temperature, protect from light; discard 28 days after first use
Overview
Bacteriostatic water is a sterile diluent used across peptide research laboratories to reconstitute lyophilized powders into solution, preserving peptide stability while inhibiting bacterial growth during multi-use storage.
Mechanism & Research Findings
The added 0.9% benzyl alcohol acts as a bacteriostatic (growth-inhibiting, not necessarily bacteria-killing) preservative, allowing a reconstituted vial to be safely accessed multiple times over its use window without the sterility concerns of plain sterile water, which is intended for single use. Because benzyl alcohol can affect peptide stability at high concentrations in sensitive research applications, formulation studies routinely evaluate reconstitution solvent choice as a variable affecting peptide shelf-life and bioactivity.
Research Applications
- Standard peptide reconstitution and multi-use vial storage
- Solvent-stability and shelf-life formulation studies
For laboratory research use only.



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